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Highlights & Features
Inspired by the golden hour when sunlight filters through the canopy of a deep forest. We chose the Radiant Cut to mimic the way light dances on moving water—energetic yet grounded. The hidden halo is our tribute to the "inner glow" that every wearer possesses—a secret sparkle that reveals itself only upon closer look. It’s a celebration of quiet luxury and the harmony between human craftsmanship and nature’s brilliance.
Specifications
| Center Stone | Premium Stdiam™ (D/VVS1) |
| Cut Style | Radiant Modified Brilliant Cut |
| Metal Options | 18K White Gold Vermeil (925 Silver) 18K Yellow Gold Vermeil (925 Silver) Solid 10K White Gold Solid 10K Yellow Gold Solid 14K White Gold Solid 14K Yellow Gold |
| Band Width | 1.8 mm (Comfort Fit) |
| Plating Standard | 8-Layer 18K Gold Plated (2.5μm Thickness) Applies to vermeil options only. |
| Setting Type | Prong Setting with Hidden Halo |
| Refractive Index | 2.65 - 2.69 (Outsparkles Diamond) |
| Skin-Friendly | 100% Lead-Free & Nickel-Free |
| Packaging | Signature Walnut Wood Box |
| Certification | GRA Authenticity Certificate Included |
Choose Your Metal
Swipe to compare →
18K
White Gold Vermeil
18K white gold over 925 sterling silver
The bright look of white gold at an accessible price.
The plating may wear over time, but the similar silver tone beneath makes color changes less noticeable.
BRIGHT WHITE · EVERYDAY VALUE
18K
Yellow Gold Vermeil
18K yellow gold over 925 sterling silver
A beautiful, affordable way to enjoy the rich look of gold.
The gold plating may gradually fade with wear, revealing the silver beneath.
RICH GOLD TONE · EVERYDAY VALUE
10K
Solid White Gold
Solid 10K white gold throughout
A lasting choice for everyday wear, with white gold all the way through.
The surface brightness may soften with wear; beneath the finish, it is still white gold.
SOLID GOLD · WHITE GOLD THROUGHOUT
10K
Solid Yellow Gold
Solid 10K yellow gold throughout
Warm gold color that comes from the metal itself.
As the surface wears, the metal beneath retains its gold tone, with no silver base to show through.
SOLID GOLD · LASTING GOLD TONE
Not sure about your size?
✓If you're between sizes, choose the half size up for comfort
✓Standard US sizing with EU / UK conversion reference
✓Free resizing within 30 days for peace of mind
✓Standard US sizing with EU / UK conversion reference
✓Free resizing within 30 days for peace of mind
Find your closest match using the chart below.
| US / CA MX |
UK / AU IE / NZ / ZA |
FR | DE / RU UA / Asia |
IN / CN / JP SA / TR / IL |
IT / ES NL / CH |
DIA (mm) |
CIRC (mm) |
|---|---|---|---|---|---|---|---|
| 4 | H ½ | 47 | 14.9 | 7 | 7 | 14.9 | 46.8 |
| 4.5 | I ½ | 48 | 15.3 | 8 | 8 | 15.3 | 48.0 |
| 5 | J ½ | 49 | 15.7 | 9 | 9 | 15.7 | 49.3 |
| 5.5 | L | 51 | 16.1 | 11 | 11 | 16.1 | 50.6 |
| 6 | M | 52 | 16.5 | 12 | 12 | 16.5 | 51.9 |
| 6.5 | N | 53 | 16.9 | 13 | 13 | 16.9 | 53.1 |
| 7 | O | 54 | 17.3 | 14 | 14.5 | 17.3 | 54.4 |
| 7.5 | P | 56 | 17.7 | 15 | 16 | 17.7 | 55.7 |
| 8 | Q | 57 | 18.1 | 16 | 17 | 18.1 | 57.0 |
| 8.5 | Q ½ | 58 | 18.5 | 17 | 18 | 18.5 | 58.3 |
| 9 | R ½ | 59 | 18.9 | 18 | 19 | 18.9 | 59.5 |
| 9.5 | S ½ | 61 | 19.4 | 19 | 21 | 19.4 | 60.8 |
| 10 | T ½ | 62 | 19.8 | 20 | 22 | 19.8 | 62.1 |
Fit Tip: If your knuckle is noticeably larger than the base of your finger, we recommend measuring both and choosing a size in between to ensure the ring slips on comfortably.
→ View Full Size Guide & Measure Tips
If it’s not quite right, our hassle-free exchange makes it effortless to get the one that is. We offer ONE FREE RESIZING within 30 days of purchase.
Shipping & Crafting
Crafting Time
Most standard whole sizes (5–9) are crafted within
5–7 business days
.
For the best fit, half sizes and sizes 4, 10 & 11 require additional sizing and finishing steps and typically take 10–15 business days .
For the best fit, half sizes and sizes 4, 10 & 11 require additional sizing and finishing steps and typically take 10–15 business days .
Free Standard Shipping
Worldwide · 150+ countries
7–12 Business Days
VIP Shipping
Available at checkout · $14.90
4–7 Business Days
Delivery estimates apply after dispatch. Crafting time is separate from shipping time.
Risk-Free Purchase
30-Day Returns & Exchanges
Returns and exchanges available within 30 days of delivery.
Lifetime Stone Guarantee
Your center Moissanite is guaranteed for life and will never lose its brilliance.
2-Year Craftsmanship Warranty
Every piece is protected against verified manufacturing defects.
*Note: Excludes normal wear, accidental damage, lost items, and third-party modifications.
Crafted by Masters. Engineered Beyond Tradition
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Moissanite Guide
Moissanite, Explained.
Clear answers to the questions shoppers ask most about moissanite, from durability and brilliance to long-term care.
Is moissanite a real gemstone or a fake diamond?
Moissanite is a real gemstone with its own chemical composition and optical properties. It is not a type of diamond or a fake diamond.
Modern jewelry-grade moissanite is lab-created for consistency and clarity, with a distinctive brilliance and fire of its own.
What is the difference between moissanite and diamond?
Moissanite and diamond are different gemstones. Diamond is carbon, while moissanite is silicon carbide.
Visually, moissanite often displays more colorful fire, while diamond has its own characteristic balance of white brilliance and dispersion. Both can appear bright and refined, but their optical character is not identical.
Is moissanite durable enough for everyday wear?
Yes. Moissanite measures approximately 9.25 on the Mohs hardness scale, making it highly resistant to scratching and well suited to regular wear.
As with all fine jewelry, the setting and metal should still be protected from hard impacts, abrasive surfaces and strenuous activities.
Does moissanite get cloudy or lose its brilliance over time?
Moissanite does not normally become permanently cloudy with wear. Oils, lotions, soap and everyday residue can temporarily soften its sparkle.
Gentle cleaning can restore its clarity and brilliance, while regular care also helps keep the surrounding metal and settings looking their best.
How should I clean and care for moissanite jewelry?
Clean moissanite jewelry with lukewarm water, mild soap and a soft brush, then rinse thoroughly and dry with a soft, lint-free cloth.
Pay particular attention to the underside of stones and around settings where residue may collect. When not being worn, store your piece separately in its original STDIAM walnut wood box to help reduce contact and rubbing against other jewelry.
For more detailed guidance, visit the STDIAM Jewelry Care Guide .
Why is moissanite more affordable than diamond?
Moissanite follows a different production, supply and pricing structure from diamond. Because jewelry-grade moissanite can be created in a controlled laboratory environment, it can offer substantial visual presence and durability at a lower price point.
The lower price does not make it a lower-quality version of diamond. It is a different gemstone category with its own characteristics.
Can people tell the difference between moissanite and diamond?
The difference can be subtle at a glance, especially once a stone is set in jewelry, but moissanite and diamond are not visually identical.
Moissanite generally shows stronger spectral fire, while diamond has its own characteristic pattern of brilliance. Cut, stone size and lighting can all influence how noticeable those differences appear.
Is moissanite suitable for engagement rings and meaningful jewelry?
Yes. Moissanite combines high durability, distinctive brilliance and a wide range of cuts and settings, making it suitable for engagement rings as well as jewelry chosen for anniversaries, milestones, gifting or everyday wear.
Ultimately, the right choice comes down to the design, materials and character that feel right for you.
N
Photos don’t do this justice. The sparkle under the sun is blinding! The contrast between the large radiant cut and the delicate pavé diamonds on the band is stunning. I love showing off the hidden halo to my friends. It feels incredibly premium and heavy, a true luxury piece at an amazing price point.
G
I am absolutely mesmerized by this ring! The radiant cut moissanite has incredible fire, and the pavé band adds just the right amount of extra sparkle without being over the top. My favorite part is the hidden halo—it’s such a gorgeous, secret detail that catches the light from the side. It looks so elegant and professional for my daily gallery meetings.
G
Ich habe beide Ringe hier gekauft und bin sehr zufrieden.. Exzellente Qualität und wunderschönes Design! Der Radiant-Schliff hat ein traumhaftes Funkeln. Die mit Steinen besetzte Ringschiene wirkt sehr edel, und das versteckte Halo (Hidden Halo) ist eine wunderschöne Überraschung aus der Seitenansicht. Die Verarbeitung ist makellos und stabil. Ein luxuriöser Klassiker für jeden Tag.
S
Une merveille absolue ! Le diamant moissanite est d'une clarté exceptionnelle. J'adore l'effet scintillant de l'anneau pavé, mais le vrai coup de cœur est le "hidden halo" sous la pierre principale. C'est le comble du chic et de l'élégance discrète. La bague est très confortable et a une présence folle.
J
Absolutely gorgeous! Honestly can’t get better for the price! Everything is verified which is even better and it is a beautiful ring! Size 5 fits perfectly
A
So beautiful!! Fits perfectly and so sparkly! I usually take it off to wash my hands so it doesn’t tarnish.
K
its a great ring perfect for a vacation or as a replacement ring/placeholder ring. I wanted to have a ring right now to signify my commitment to my man then he will get me a bigger one later. its beautiful and sparkles pretty in person i wish I got better pics but I had to put it up. Just get the 1.5 size if you will get another ring later or if you're worried about the price of the 2 carat one. they virtually look the same.
C
Such beautiful ring love it
L
I am soooooooo in love with this ring! I paired it with my current ring guard. I've been wearing it for a week now and can't stop staring at it! I wear a 6 and it feels true to size. My ring guard is also a 6 and they fit together perfect. 1.0 ct is the perfect size to be beautiful, but also fly under the radar and avoid looking obviously fake.
J
Literally in love!!! You cannot beat the price man, I'm so so glad we went with this one!!
E
Outgrew my ring when I had my daughters.This is my full time ring until we are in a better financial situation.Don’t take it off ever about a month old now
M
Really surprised at how great this ring is. I have a similar ring and it looks heavy compared to this more delicate one. Because of the delicate band and not huge--but very dazzling--stone it looks nothing like costume jewelry. Did I say the stone is dazzling?! Makes my other ring look like cut crystal in comparison and they're both masonite. I wear a size 7 and it fits perfectly.
V
It's nice. comes with a certificate that gives you the dimensions, the weight, the cut and all the specs. It also came with a silver polish cloth and a gift bag! It's cute. the moissanite sparkles really nicely and has the rainbow "fire" that moissanite are known for.
J
This was my 45th birthday gift to myself, and I am over the moon. The crisp lines of the rectangle radiant stone combined with the micro-pavé band are pure elegance. The hidden halo adds a touch of modern romance. It looks like a multi-thousand dollar designer piece. If you're hesitant, just buy it!
A
Hella cute
G
Purchased this for a “fake ring” when we go away. It’s a truly gorgeous ring. Nice sparkle and great compliments.
S
It's better than my other mossanite ring I bought imo. It seems to have a more realistic shine to it probably due to its smaller stone size. Size is accurate and fits comfortably.
J
A lovely piece ring. The radiant cut catches the light beautifully, and the band looks delicate but feels sturdy. The size is accurate, and the stone looks even better in person.
J
Way better than expected!!!!!
K
The moissanite ring sparkles, beautiful and the silver band setting looks so elegant. It fits perfectly and looks gorgeous on my head. Totally exceeded my expectations with the price
V
Absolutely love this ring! The moissanite sparkles beautifully, and the cut is very elegant. Feels solid and comfortable to wear. Looks even better in person than in the photos—very happy with it! The size is accurate, just follow the size table to choose. Tarnish resistant to lasting longer.
J
Really pretty ring and doesn't look cheap.
M
Absolutely stunning! The radiant cut moissanite sparkles beautifully so much brilliance and fire, it looks just like a real diamond. The D color and VVS1 clarity make it shine from every angle, and the 18K white gold plated sterling silver band feels elegant and high-quality.It’s the perfect size at 1.0 carats eye-catching yet classy. Whether for an engagement, wedding, or special occasion, this ring is pure perfection. I get compliments every time I wear it!
R
That’s a really nice ring beautiful. A lot better in person.
L
Very nice ring
B
such a gorgeous ring! sparkles so lovely in the sunlight ! true to size and definitely holds up. comes with a polishing cloth, a nice ring box, a gift bag and other papers verifying the moissanite stone. i got the 2 carat ring and ended up getting a 25% off coupon. definitely buy from this brand again.
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