20 Best Supernova Moissanite Engagement Rings [2024]

Are you looking for the best Supernova Moissanite Engagement Rings? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Supernova Moissanite Engagement Rings.

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1 DovEggs Sterling Silver Center 2ct 7.5X7.5mm G-H-I Color Cushion Cut Created Moissanite Halo... DovEggs Sterling Silver Center 2ct 7.5X7.5mm G-H-I Color Cushion Cut Created Moissanite Halo...
2 DovEggs 1ct 6.5mm Round Cut 2.6mm Band Width Lab Grown Moissanite Engagement Ring Sterling Silver... DovEggs 1ct 6.5mm Round Cut 2.6mm Band Width Lab Grown Moissanite Engagement Ring Sterling Silver...
3 0.5/1/2/3 Carat, Moissanite Ring, Engagement Ring, Moissanite Diamond, White Gold Plated Sterling... 0.5/1/2/3 Carat, Moissanite Ring, Engagement Ring, Moissanite Diamond, White Gold Plated Sterling...
4 Moissanite ring, Engagement Ring for Women With a Brilliant Round cut Stone with Sterling Silver... Moissanite ring, Engagement Ring for Women With a Brilliant Round cut Stone with Sterling Silver...
5 14K White Gold Forever Classic Created Moissanite from Charles & Colvard Women Solitaire Engagement... 14K White Gold Forever Classic Created Moissanite from Charles & Colvard Women Solitaire...
6 DovEggs 2ct Center 7.5mm Cushion Cut 2.3mm Width G-H-I Color Moissanite Engagement Ring Solitaire... DovEggs 2ct Center 7.5mm Cushion Cut 2.3mm Width G-H-I Color Moissanite Engagement Ring Solitaire...
7 0.5/1/2/3 Carat Classic Moissanite Ring For Men, White Gold Plated Sterling Silver Rings, Engagement... 0.5/1/2/3 Carat Classic Moissanite Ring For Men, White Gold Plated Sterling Silver Rings,...
8 ERAA Jewel Supernova Halo Bridal Set, Round Cut 4.00CT, VVS1 Clarity, Colorless Moissanite Ring Set,... ERAA Jewel Supernova Halo Bridal Set, Round Cut 4.00CT, VVS1 Clarity, Colorless Moissanite Ring...
9 DovEggs Sterling Silver 1.5ct Center 6X8mm G-H-I Color Pear Shaped Cut Vintage/Antique Moissanite... DovEggs Sterling Silver 1.5ct Center 6X8mm G-H-I Color Pear Shaped Cut Vintage/Antique Moissanite...
10 DovEggs Sterling Silver Center 1ct 5X7mm Cushion Cut H-I Color Moissanite Halo Engagement Ring for... DovEggs Sterling Silver Center 1ct 5X7mm Cushion Cut H-I Color Moissanite Halo Engagement Ring...
11 925 Sterling Silver Forever Classic Created Moissanite by Charles & Colvard Women Engagement Band... 925 Sterling Silver Forever Classic Created Moissanite by Charles & Colvard Women Engagement Band...
12 Blongme 1 Carat Moissanite Rings for Women Engagement Wedding Band 925 Sterling Silver Round... Blongme 1 Carat Moissanite Rings for Women Engagement Wedding Band 925 Sterling Silver Round...
13 10K White Gold Created Moissanite by Gem Stone King and Diamond Women Engagement Ring (2.24 Cttw,... 10K White Gold Created Moissanite by Gem Stone King and Diamond Women Engagement Ring (2.24 Cttw,...
14 boya Moissanite Engagement Rings for Women, Moissanite Ring, 3 stone 2.66ct D Color VVS1 Clarity... boya Moissanite Engagement Rings for Women, Moissanite Ring, 3 stone 2.66ct D Color VVS1 Clarity...
15 14K Solid White Gold Cushion Cut Moissanite Engagement Ring And 0.25ctw Round Cut Natural Diamonds,... 14K Solid White Gold Cushion Cut Moissanite Engagement Ring And 0.25ctw Round Cut Natural...
16 Sterling Silver 1.5ct 3mm Band Width 7.5mm G-H-I Color Moissanite Engagement Rings for Women (7.5) Sterling Silver 1.5ct 3mm Band Width 7.5mm G-H-I Color Moissanite Engagement Rings for Women (7.5)
17 2ct Moissanite Engagement Ring 925 Sterling Silver D Color, VVS Clarity Moissanite Jewelry for Women 2ct Moissanite Engagement Ring 925 Sterling Silver D Color, VVS Clarity Moissanite Jewelry for Women
18 CARAT GALAXY Solitaire Engagement Ring 925 Sterling Silver With Cubic Zirconia Simulated Round... CARAT GALAXY Solitaire Engagement Ring 925 Sterling Silver With Cubic Zirconia Simulated Round...
19 1 Carat Moissanite Engagement Ring, Moissanite Diamond, White Gold Plated Sterling Silver Rings for... 1 Carat Moissanite Engagement Ring, Moissanite Diamond, White Gold Plated Sterling Silver Rings...
20 AINUOSHI Sterling Silver Moissanite Ring, 1.0 ct Round Cut Wedding Ring, D-E Color Grade, Perfect... AINUOSHI Sterling Silver Moissanite Ring, 1.0 ct Round Cut Wedding Ring, D-E Color Grade, Perfect...
Bestseller No. 1
DovEggs Sterling Silver Center 2ct 7.5X7.5mm G-H-I Color Cushion Cut Created Moissanite Halo...
  • Our jewelry comes with a 12 months limited lifetime after-sale warranty. In the case of manufacturing or craftsmanship defects, contact us for...
  • This DovEggs excellent collection is of utmost quality, made using state of the art technology, and is plated with platinum to last almost as long as...
  • We only use stones from at least good to excellent cut, polish, and brilliance. DovEggs GHI color moissanite will not look obviously yellow. Our...
  • This ring set has a 2ct (7.5x7.5mm) cushion cut moissanite center stone GHI color VVS1-VVS2 clarity cut moissanite center stone, with approximately...
  • Although our jewelry is made to last, it`s best to not wear them while swimming, especially in seawater. However, our items are totally okay to be...
Bestseller No. 2
DovEggs 1ct 6.5mm Round Cut 2.6mm Band Width Lab Grown Moissanite Engagement Ring Sterling Silver...
  • We aim to create exceptional value and fantastic jewelry pieces for our customers.Center stones is 1ct(6.5mm) moissanite.The existing rings are...
  • Ring setting is Sterling Silver.Does not contain nickel, will not be allergic to the skin.
  • DovEggs Heart Arrows Excellent cut – designed to maximize the beautiful brilliance of the Moissanite at the same time keeps very good or excellent...
  • DovEggs aims at only forever quality jewelry both for stones and crafting workmanship.This DovEggs sterling silver selection is most earnest/selected...
  • All of our fine Jewelry will come with a limited lifetime warranty.DovEggs lifetime warranty and exchange is based on manufacturing defects , not...
Bestseller No. 3
0.5/1/2/3 Carat, Moissanite Ring, Engagement Ring, Moissanite Diamond, White Gold Plated Sterling...
  • This is a beautifully faceted, high quality Moissanite gemstone ring with brilliant colorful flashes with each and every subtle movement. Handmade by...
  • Handpicked High Quality Moissanite, D color / VVS1 clarity / Heart Arrows Exellent cut. Can Pass the Diamond Tester. Diamond Like Stones.
  • White Gold Plated Sterling Silver. Well Polished. With Anti Tarnish Processing.
  • Gift for wedding, anniversary, engagement.
  • GRA certification, Ring Box, Jewelry and Silver Polishing Cloth are Included in the package.
Bestseller No. 4
Moissanite ring, Engagement Ring for Women With a Brilliant Round cut Stone with Sterling Silver...
  • ✦ SHINE BRIGHT LIKE DIAMONDS✦ The engagement ring is set with 1 piece of 1 carat of REAL moissanite and 0.5 carats of small REAL moissanites. They...
  • ✦ HIGH CLASS BUT AFFORDABLE MATRIAL✦The Moissanite Ring is made of Hypoallergenic 925 Sterling Silver then Plated with Rhodium to Ensure a Lasting...
  • ✦ EXCELLENT CRAFTMANSHIP✦ The Setting and Polishing of the engagement rings for women are Very Well Done. The setting of all moissanites are done...
  • ★Great Gift Idea★ The ring is put in a very delicate jewelry box, with GRA certificate and a paper bag. It is the best idea as a gifting for...
  • ★Best Satisfaction Purchase★We offer a 100% risk-free guarantee. If you are not completely satisfied with the women rings, you can get a full...
Bestseller No. 5
14K White Gold Forever Classic Created Moissanite from Charles & Colvard Women Solitaire Engagement...
  • MEASUREMENTS: 6MM Round Faint Color (IJK) Created Moissanite. Very Good Quality and Cut Charles & Colvard The Original Created Moissanite Stones....
  • CRAFTED: in Solid 14k White Gold with 14k stamp. Comes with Charles and Colvard Certificate of Authenticity and Lifetime Limited Warranty Card...
  • SATISFACTION GUARANTEED: After 20 Years of research and science breakthroughs Charles and Colvard have created the perfect created Moissanite to be...
  • INCLUDES WITH ORDER: All of our items come in the appropriate packaging ensuring they are ready for gifting upon arrival. Our packaging ranges from...
  • EXCELLENT GIFT: for birthday, anniversary, holidays, stocking stuffers, graduation, Christmas, Valentine's Day, Mother's Day, Thank You or simply...
Bestseller No. 6
DovEggs 2ct Center 7.5mm Cushion Cut 2.3mm Width G-H-I Color Moissanite Engagement Ring Solitaire...
  • Integrity &Authenticity: Dear customers, we uphold the principle of integrity and do not offer self-printed GRA fake certificates to maintain customer...
  • This DovEggs excellent collection is of utmost quality, made using state of the art technology, and is plated with platinum to last almost as long as...
  • We only use stones from at least good to excellent cut, polish, and brilliance. DovEggs GHI color moissanite will not look obviously yellow. Our...
  • We try our best to offer best possible price and insist on an integral price in order to deliver our high value dignified beautiful jewelry.
  • While our sterling silver is made to last, it`s best to not wear them while swimming, especially in seawater. However, our items are totally okay to...
Bestseller No. 7
0.5/1/2/3 Carat Classic Moissanite Ring For Men, White Gold Plated Sterling Silver Rings, Engagement...
  • This is a beautifully faceted, high quality Moissanite gemstone ring with brilliant colorful flashes with each and every subtle movement. Handmade by...
  • Handpicked High Quality Moissanite, D color / VVS1 clarity / Heart Arrows Exellent cut. Can Pass the Diamond Tester. Diamond Like Stones.
  • White Gold Plated Sterling Silver. Well Polished. With Anti Tarnish Processing.
  • Gift for wedding, anniversary, engagement, proposal, promise.
  • GRA certification, Ring Box, Jewelry and Silver Polishing Cloth are Included in the package.
Bestseller No. 8
ERAA Jewel Supernova Halo Bridal Set, Round Cut 4.00CT, VVS1 Clarity, Colorless Moissanite Ring Set,...
  • Brand Name: ERAA JEWEL
  • Main Stone: Moissanite, Main Stone shape: Round Brilliant Cut, Main Stone Color: Colorless, Main Stone Clarity: VVS1, Main Stone Luster: Excellent,...
  • CRAFTED: In 925 Sterling Silver With 925 Stamp ,Stone Make: High Quality
  • Diamond & Moissanite Maintains Its Clarity And Sparkle Throughout A Lifetime
  • EXCELLENT GIFT: For Birthday, Anniversary, Holidays, Stocking Stuffers, Graduation, Christmas, Valentine's Day, Mother's Day, Thank You or simply...
Bestseller No. 9
DovEggs Sterling Silver 1.5ct Center 6X8mm G-H-I Color Pear Shaped Cut Vintage/Antique Moissanite...
  • We aim to create exceptional value and fantastic jewelry pieces for our customers.Center stone is 1.5ct(6X8mm) G-H-I color pear cut moissanite ,around...
  • DovEggs Heart Arrows Excellent cut – designed to maximize the beautiful brilliance of the Moissanite at the same time keeps very good or excellent...
  • G-H-I color moissanite will not look very obviously yellow.Ring setting is Sterling Silver.Does not contain nickel, will not be allergic to the skin.
  • DovEggs aims at only forever quality jewelry both for stones and crafting workmanship.This DovEggs sterling silver selection is most earnest/selected...
  • All of our fine Jewelry will come with a limited lifetime warranty.DovEggs lifetime warranty and exchange is based on manufacturing defects , not...
Bestseller No. 10
DovEggs Sterling Silver Center 1ct 5X7mm Cushion Cut H-I Color Moissanite Halo Engagement Ring for...
  • Center 1ct (5mm*7mm) cushion cut moissanite, around 0.55ct moissanite accents.
  • DovEggs Heart Arrows Excellent cut – designed to maximize the beautiful brilliance of the Moissanite at the same time keeps very good or excellent...
  • H-I color moissanite will not look very obviously yellow.Ring setting is Sterling Silver.Does not contain nickel, will not be allergic to the skin.
  • DovEggs aims at only forever quality jewelry both for stones and crafting workmanship.This DovEggs sterling silver selection is most earnest/selected...
  • All of our fine Jewelry will come with a limited lifetime warranty.DovEggs lifetime warranty and exchange is based on manufacturing defects , not...
Bestseller No. 11
925 Sterling Silver Forever Classic Created Moissanite by Charles & Colvard Women Engagement Band...
  • MEASUREMENTS: 3.5x3.5mm Round Very Light (IJK) Created Moissanite, 3.5x3.5mm Round Very Light (IJK) Created Moissanite. Total Carat Weight is 0.8...
  • CRAFTED: in 925 Sterling Silver with 925 stamp.
  • USA BASED COMPANY AND SERVICE: Our jewelry passes extensive quality checkpoints before being shipped to you. In the (very) unlikely event that you...
  • EXCELLENT GIFT: for birthday, anniversary, holidays, stocking stuffers, graduation, Christmas, Valentine's Day, Mother's Day, Thank You or simply...
  • INCLUDES WITH ORDER: All of our items come in the appropriate packaging ensuring they are ready for gifting upon arrival. Our packaging ranges from...
Bestseller No. 12
Blongme 1 Carat Moissanite Rings for Women Engagement Wedding Band 925 Sterling Silver Round...
  • ❤ 【Trendy Style】 Moissanite Stone: 1pc/1.0 carat; Weight 2.08g; Width 2.7 mm. This glamorous solitaire engagement ring by Blongme features a...
  • ❤ 【Moissanite Stone】Shine bright like a diamond! Brilliant round cut D color VVS1 clarity moissanite stone, no more cloudy! This moissanite...
  • ❤ 【Material】 The moissanite wedding band is made with high quality 925 sterling silver. Hypoallergenic and nickel free, tarnish resistant and...
  • ❤ 【Perfect Gift】 ALL Blongme moissanite rings comes with a free luxury gift box, this moissanite ring will be the perfect gift choice for...
  • ❤ 【Satisfaction】Our Blongme 925 sterling silver moissantie engagement ring offers an easy return & exchange policy, we offer a 90 Day No...
Bestseller No. 13
10K White Gold Created Moissanite by Gem Stone King and Diamond Women Engagement Ring (2.24 Cttw,...
  • MEASUREMENTS: 9x7mm Oval Near Colorless (GH) Created Moissanite, 1x1mm Round I - J Diamond. Total Carat Weight is 2.24 cttw.
  • CRAFTED: in 10k White Gold with 10k stamp.
  • USA BASED COMPANY AND SERVICE: Our jewelry passes extensive quality checkpoints before being shipped to you. In the (very) unlikely event that you...
  • EXCELLENT GIFT: for birthday, anniversary, holidays, stocking stuffers, graduation, Christmas, Valentine's Day, Mother's Day, Thank You or simply...
  • INCLUDES WITH ORDER: All of our items come in the appropriate packaging ensuring they are ready for gifting upon arrival. Our packaging ranges from...
Bestseller No. 14
boya Moissanite Engagement Rings for Women, Moissanite Ring, 3 stone 2.66ct D Color VVS1 Clarity...
  • 【Designer Words】: The BOYA moissanite engagement rings for women are classic addition to your Jewelry collection. 3 Moissanite means family love.
  • 【Material】: moissanite, 925 Sterling Silver.
  • 【GRA Parameters】:2.66 ct. D Color. VVS1 Clarity. Excellent Cut
  • 【Gift for Her】: Packing with a exquite jewelry box and a ring sizer, this moissanite ring is suitable for making a touching surprise for women on...
  • 【Tips】:Boya jewelry will maintain its brilliance over time when simple care practices are observed; remove before contact with lotions or...
Bestseller No. 15
14K Solid White Gold Cushion Cut Moissanite Engagement Ring And 0.25ctw Round Cut Natural Diamonds,...
  • 14K Solid Gold; Appraised Value: $4,000.00
  • Center Stone Weight: 4.00CT, 11.0x9.0MM Center Stone Shape: Cushion Center Stone Clarity: VVS Center Stone Color: G, pure colorless shades up to six...
  • Side Stones Weight: 0.25ct, 100% natural Diamonds Side Stone Shape: Round Side Stone Clarity: SI1 Side Stone Color: H
  • Ships in 3-4 days
  • Made in the U.S.A
Bestseller No. 16
Sterling Silver 1.5ct 3mm Band Width 7.5mm G-H-I Color Moissanite Engagement Rings for Women (7.5)
  • We aim to create exceptional value and fantastic jewelry pieces for our customers. Center is made with a1.5ct(7.5mm) G-H-I color moissanite. Band...
  • DovEggs Heart Arrows Excellent cut – designed to maximize the beautiful brilliance of the Moissanite at the same time keeps very good or excellent...
  • G-H-I color moissanite will not look very obviously yellow.Ring setting is Sterling Silver.Does not contain nickel, will not be allergic to the skin.
  • DovEggs aims at only forever quality jewelry both for stones and crafting workmanship.This DovEggs sterling silver selection is most earnest/selected...
  • All of our fine Jewelry will come with a limited lifetime warranty.DovEggs lifetime warranty and exchange is based on manufacturing defects , not...
Bestseller No. 17
2ct Moissanite Engagement Ring 925 Sterling Silver D Color, VVS Clarity Moissanite Jewelry for Women
  • A diamond makes a stunning statement. Classic 6 claws setting 2.0 cttw moissanite engagement ring sparkles.
  • 925 sterling silver, moissanite 2ct D Color, VVS Clarity
  • Size: adjustable
  • Each item is packed in a beautiful, deluxe gift box.
  • Photo may have been enlarged and/or enhanced.
Bestseller No. 18
CARAT GALAXY Solitaire Engagement Ring 925 Sterling Silver With Cubic Zirconia Simulated Round...
  • Material - The ring is made of 925 silver and stamp S925. Highly polished, nickel-free, hypoallergenic, will not make your fingers green, and can be...
  • Unique Design - It is 6-prong set with round brilliant cut clear simulated diamond.Use rosebud shape enveloping cz stone, inner wall of the ring is...
  • Cubic Zirconia Stone - The flash cubic zirconia ring sparkles from multiple angles of cubic zirconia and create breathtaking reflections--is so...
  • Applicable occasions - Suitable for any occasion, there are many reasons to wear a ring, from simply adding fashion accessories to symbolizing a...
  • Product packaging - We are equipped with a jewelry box, our products are quality tested before the sale, we believe that you and your loved ones will...
Bestseller No. 20
AINUOSHI Sterling Silver Moissanite Ring, 1.0 ct Round Cut Wedding Ring, D-E Color Grade, Perfect...
  • Jewelry: This gorgeous Jewelry showcases a 1.0 CT beautifully round cut moissanite stone made by Ainuoshi,, Crafted in platinum plated sterling silver...
  • Moissanite: Moissanite share the similar color, hardness and element with diamond, AINUOSHI moissanite color grade D-E, Mohs Scales Hardness 9.25, DEW...
  • Warranty: If you haven’t had a Moissanite before why don’t give it a try. We Promise a 30 days products guarantee and 24/7 customer service.
  • Occasion: Wedding, anniversary, gift and engagement proposal,
  • Package Included: GRA certification, Ring Box, Jewelry.

Having trouble finding a great Supernova Moissanite Engagement Rings?

This problem is well understood by us because we have gone through the entire Supernova Moissanite Engagement Rings research process ourselves, which is why we have put together a comprehensive list of the best Supernova Moissanite Engagement Ringss available in the market today.

After hours of searching and using all the models on the market, we have found the best Supernova Moissanite Engagement Rings for 2023. See our ranking below!

How Do You Buy The Best Supernova Moissanite Engagement Rings?

Do you get stressed out thinking about shopping for a great Supernova Moissanite Engagement Rings? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Supernova Moissanite Engagement Rings, which is why we have assembled a comprehensive list of the greatest Supernova Moissanite Engagement Rings available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Supernova Moissanite Engagement Rings that you consider buying. Your questions might include the following:

  • Is it worth buying an Supernova Moissanite Engagement Rings?
  • What benefits are there with buying an Supernova Moissanite Engagement Rings?
  • What factors deserve consideration when shopping for an effective Supernova Moissanite Engagement Rings?
  • Why is it crucial to invest in any Supernova Moissanite Engagement Rings, much less the best one?
  • Which Supernova Moissanite Engagement Rings are good in the current market?
  • Where can you find information like this about Supernova Moissanite Engagement Rings?

We’re convinced that you likely have far more questions than just these regarding Supernova Moissanite Engagement Rings, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Supernova Moissanite Engagement Rings, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Supernova Moissanite Engagement Rings. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Supernova Moissanite Engagement Rings buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Supernova Moissanite Engagement Rings currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Supernova Moissanite Engagement Rings has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Supernova Moissanite Engagement Rings?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Supernova Moissanite Engagement Rings.
  5. Customer Ratings: Number ratings grade Supernova Moissanite Engagement Rings objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Supernova Moissanite Engagement Rings.
  7. Product Quality: You don’t always get what you pay for with an Supernova Moissanite Engagement Rings, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Supernova Moissanite Engagement Rings is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Supernova Moissanite Engagement Rings information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Supernova Moissanite Engagement Rings is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Why buy from supernova moissanite?

A: SUPERNOVA Moissanite offers immense value and huge savings giving you more choices to create your dream engagement ring. With these savings you truly can have it all. You will get the best quality in SUPERNOVA Moissanite. We inspect every jewel thoroughly as part of our rigorous quality control before it leaves our Sydney, Australia head-quarters.

Q: What brands of moissanite do you offer?

A: We’re excited to be able to offer beautiful moissanites from three different companies! Two brands of white moissanite are available: Forever One™ by Charles & Colvard, and Supernova™ by Moissanite International. Both are great companies, offering gorgeous stones in a range of white color grades and price points.

Q: Which moissanite is the jewel of the future?

A: Moissanite is the Jewel of the Future. The new-generation SUPERNOVA Moissanite is whiter and is Super Premium, without the undesired blue colour tint found in other colourless Moissanite. Consumers prefer the natural look of the SUPERNOVA Moissanite.

Q: Who makes the supernova?

A: The Supernova is by Australian based company, Moissanite International. In decades past, Charles & Colvard was the only maker of moissanite since they held the patent. In 2016 their patent expired, thus opening the gates for other competitors.