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Ten carats of architectural step-cut brilliance — the 10.4ct DEW White Moissanite Emerald Solitaire Ring in 18K Gold Vermeil on 925 Sterling Silver, GRA certified. At 10.4ct DEW in the emerald cut, this ring occupies approximately 17×12.5mm — a ring that fills the finger from knuckle to knuckle and commands absolute attention.
The 10ct threshold is a psychological boundary in fine jewelry — a number that carries weight regardless of stone type. In natural diamonds, a 10ct stone is extremely rare and priced in the tens of millions. In moissanite, 10.4ct DEW in the emerald cut delivers the full visual impact of a double-digit carat stone: a vast, calm reflective surface that creates slow, dramatic light changes. The step facets at 10ct+ create what collectors describe as a "depth effect" — the impression that the stone has layers of light rather than surface sparkle. It is visually and physically different from anything below the 8ct range.
Very large moissanite rings should be stored individually — in a fabric-lined box or pouch — to prevent the stone or setting from contacting other jewelry. Daily maintenance requires regular cleaning (dish soap + soft toothbrush, warm water) to prevent surface buildup that can reduce the stone's transparency. The 18K gold vermeil setting should not be exposed to harsh chemicals, perfumes applied directly to the ring, or prolonged water immersion. Annual professional cleaning and prong inspection is recommended for any ring in this size category, as larger stones put more stress on the setting over time.
✓ Free worldwide insured shipping ✓ 30-day easy returns ✓ Lifetime exchange ✓ GRA certificate included ✓ Factory-direct pricing
A quick summary of how shipping works at GemHub & Co. Most pieces are made to order, so the realistic timeline runs from the moment you order to the moment your piece arrives.
Please note: These are good-faith estimates, not guarantees, and do not include time lost to customs processing in the destination country.
This is a summary. For the complete shipping policy, including international order requirements and how we handle delays, please read the full Shipping Policy.
This store is owned and operated by Hamlet Global Trading FZCO (trading as GemHub & Co.), a free-zone company registered in the United Arab Emirates, with its registered office at IFZA Business Park, Building A1, Dubai, United Arab Emirates.
A quick summary of how returns work at GemHub & Co. Most pieces are made to order; ready-stock items come with a 30-day return guarantee and a free first return.
Almost every order falls into one of two categories — we tell you which on each product page.
Most GemHub & Co. pieces are crafted specifically for you. These, along with customised and engraved items, are final sale and not eligible for return or exchange — except where the item arrives defective or we have made an error, in which case we replace or fully refund it at no cost to you, including return shipping.
Cancellations are accepted within 24 hours of ordering only; production begins within 5 hours of payment.
Ready-stock (non-custom) items may be returned within 30 days of shipment, or exchanged within 45 days.
Not sure whether your piece is made to order or ready stock? Email support@gemhubco.com before you place the order and we’ll confirm.
This is a summary. For the complete return and refund policy, including condition requirements, cancellation terms, and your consumer rights, please read the full Return & Refund Policy.
This store is owned and operated by Hamlet Global Trading FZCO (trading as GemHub & Co.), a free-zone company registered in the United Arab Emirates, with its registered office at IFZA Business Park, Building A1, Dubai, United Arab Emirates.
Every piece comes with a genuine EGL / IGI / GIA certificate of authenticity, verifying the quality of your stone. Verify your certificate here →
Note: Our products are handcrafted and personalised for your delight, hence a weight variance is expected.
We make every ring to order — we are the factory. Custom sizes and personalisations add just a few days.
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