Round Moissanite Necklace - Sterling Silver 925, Rhodium Plated
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MOISSANITE · ROUND
All of the light, in a single stone.
A brilliantly rounded sparkle at your neckline.
A pendant necklace featuring a single approx. 6.5mm, 1.0ct round-cut moissanite. The classic round shape gathers light and gives off intense fire (rainbow sparkle) that rivals, and by some measures surpasses, a diamond. With the high clarity of a lab-grown stone, it suits everyday wear and special occasions alike. Carefully finished in Italian sterling silver 925. Comes with a GRA certificate.
About Moissanite
Moissanite is a lab-grown gemstone made primarily of silicon carbide. Its fire (dispersion) is stronger than a diamond's, and its high refractive index makes it sparkle brilliantly with every movement. With a Mohs hardness of 9.25, it is extremely hard and durable enough for everyday wear. With a lower environmental impact than mined stones and an accessible price, it is a sustainable, honest new choice.
Each stone comes with a GRA certificate bearing its own unique number (1 carat and above). The number is registered at issue and can be looked up on the official GRA website, so you can confirm that the certificate details match the database. This piece is approx. 1.0ct and is delivered with a certificate.
* The GRA certificate and warranty numbers shown are sample images. Each stone is issued its own unique number, which will differ from the one shown.
Materials & Finish
Round-Cut Moissanite · Approx. 6.5mm
Approx. 1.0ct. The classic round cut gathers light for intense fire and clear brilliance.
GRA Certificate Included
Includes a certificate from the independent lab GRA (1 carat and above). Its unique number lets you look up the report details.
Italian Sterling Silver 925 × Rhodium
High-quality Italian sterling silver 925 with rhodium plating. Resistant to tarnish and scratches, with a lasting, refined shine.
Allergy-Friendly
A nickel-free, lead-free, low-irritation finish, comfortable for most sensitive skin.
Product Details
| Item No. | SN260905 |
| Materials | Moissanite / Italian sterling silver 925 / Rhodium plating |
| Cut | Round |
| Size | Approx. 6.5mm / Approx. 1.0ct |
| Grade | Color D / Cut Excellent (GRA certificate included) |
| Chain | Length approx. 44cm / Width approx. 0.1cm |
| Clasp | Lobster clasp (Italian sterling silver 925) |
Styling Ideas
- Let the single stone shine. Adds a subtle sparkle to a simple knit or shirt
- Layers well with delicate necklaces; the round shape keeps a stacked look light
- Its intense fire stands out at parties and special events
- With its GRA certificate, a great gift for anniversaries, proposals, or someone special
Moissanite Collection
More on Moissanite & GRA Certificates
Learn how moissanite differs from diamond (hardness, fire, ethics) and how to read a GRA certificate in our easy-to-follow guide.
Read the Moissanite Guide →* Sterling silver 925 contains no nickel and is relatively unlikely to cause allergies, but reactions may occur depending on the individual.
* Measurements are taken using our own method and may vary slightly.
* Moissanite is a lab-grown (synthetic crystal) gemstone. Certificate numbers shown are samples; actual numbers differ for each piece.
SMUK is a Tokyo-based sustainable jewelry brand founded on the philosophy of "Less trash, more marine life" and "Save Wildlife."
Crafted from high-quality sterling silver (925), our pieces are beautifully finished with rhodium or 18K gold plating. We also offer 14K solid gold jewelry, along with refined lines featuring natural gemstones carefully sourced from around the world.
- Due to the nature of the manufacturing process and materials, slight variations in color, shape, or size may occur between individual items. We appreciate your understanding.
- Items made with natural materials each have their own unique character in pattern, color, and inclusions. Product photos are for reference only, and the actual item may differ slightly in appearance and texture.
- While we make every effort to reproduce the true colors as accurately as possible, the appearance may vary depending on lighting conditions and your monitor settings.
- Pre-order items require advance payment and cannot be cancelled once the order has been placed.
- We are unable to accept returns or exchanges for the reasons stated above. In the unlikely event that an item arrives defective or damaged, we will assist you in accordance with our return and refund policy. Before placing your order, please be sure to review our ［Return & Refund Policy］ and ［Shipping Information］.
Pre-order items are products that are currently in production or awaiting restock and cannot be shipped immediately. Please review the following points carefully before placing your order.
- We reserve your stock once the order is confirmed; however, the shipping date may vary depending on production and logistics conditions.
- Payment is required in advance, and orders cannot be cancelled or returned once placed.
- If you order regular items and pre-order items together, all items will be shipped together once everything is ready. If you need the in-stock items sooner, please place separate orders.
- The estimated shipping date is listed on each product page, but it is only a guide and does not guarantee the delivery date.
- In the unlikely event of a production discontinuation or a significant stock shortage, we will contact you individually to arrange a cancellation or refund.
- Changes to an order after it has been placed (item, quantity, shipping address, etc.) cannot be accepted, so please review your order carefully before confirming.
■ Estimated Delivery
▼ Domestic (Japan) | Flat rate ¥500
※ Free shipping on orders over ¥10,000.
Delivered approx. 2–3 business days after your order.
▼ International
・Asia: approx. 4–7 business days | Flat rate ¥3,000
・Other regions: approx. 7–14 business days | Flat rate ¥6,000
■ Dispatch
・Orders before 10:00 AM: same-day dispatch
・Orders after 10:00 AM: same day or next business day
※ Excluding weekends, public holidays, and year-end/New Year.
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You can track your order via the link in the "Shipment Confirmation Email" sent after dispatch.
[Payment Methods]
・Immediate payment: Credit card / PayPal / PayPay / Apple Pay / Google Pay
・Deferred payment: Bank transfer / Convenience store payment / Pay-easy
[Payment Timing]
・Immediate payment: Payment is completed when your order is confirmed, and we begin preparing your shipment right away.
・Deferred payment: Please complete payment within 3 days of your order date. Your item will be shipped once payment is confirmed.
※ A separate handling fee of 220 yen (tax included) applies to convenience store and Pay-easy payments.
Sterling Silver 925 | In Harmony with Nature
At SMUK, we believe in the power of nature.
That is why we value the intrinsic qualities of our materials and have chosen Sterling Silver 925 as our primary material.
Just like natural gemstones, silver is believed to carry a gentle, nature-derived energy. Throughout history, it has been associated with intuition, emotions, and protection, quietly accompanying people in their everyday lives.
In recent years, jewelry made from stainless steel or brass with a silver-colored coating has become increasingly common. Although they may look similar, differences in the materials themselves can make a significant difference in skin compatibility and wearing comfort.
At SMUK, we carefully select our materials with honesty and integrity, down to the details you cannot see, to create jewelry that feels comfortable and can be cherished for years to come.
▼ Discover More
"Why Sterling Silver 925: Jewelry in Harmony with Nature"
SMUK uses four types of plating finishes, selected according to the materials and intended use of each piece of jewelry.
- Rhodium Plating
A finish made with a rare precious metal from the platinum group. It offers excellent resistance to tarnishing and scratches, with a clear, bright silver tone. Suitable for those with sensitive skin. - 18K Gold Plating
A finish made by coating sterling silver with 75% pure gold. It creates a rich, warm gold tone. - 14K White Gold Plating
A white gold finish with 58.3% pure gold content. Its soft, elegant white tone pairs beautifully with pearls and delicate designs. - Gold Vermeil
A finish featuring a thick gold layer of at least 2.5 microns over a Sterling Silver 925 base. It offers greater durability than standard plating, allowing its brilliance to last longer.
Learn more:
Jewelry Plating Guide
