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Eight carats of rectangular brilliance — the 8.3ct DEW White Moissanite Radiant Solitaire Ring in 18K Gold Vermeil on 925 Sterling Silver, GRA certified. At 8.3ct DEW in the radiant cut, this ring delivers full brilliant-cut fire and scintillation in a commanding elongated format that reads as both modern and magnificent.
For stones of this size, setting engineering becomes more important. The setting must securely hold a stone that has significant mass and leverage on the prongs. Standard 4-prong settings can work, but 6-prong configurations are generally preferred for stones above 6ct DEW as they distribute the stone's weight more evenly. For radiant cuts specifically, the corner prongs need particular attention — the truncated corners (unlike the sharp corners of a princess) are more forgiving, but the significant stone mass still puts stress on the prong tips over time. Annual prong inspection is recommended for any ring in this size category.
Stage lighting (both theatrical and video production) is designed to produce light effects on performers. Large brilliant-cut stones — particularly radiant cuts — interact with stage lighting to create visible light effects from audience distance. The radiant cut's brilliant facets catch and scatter directed light in ways that translate dramatically on camera and across a concert hall or stage. At 8.3ct DEW, this stone will produce visible light effects under any professional production lighting setup. This is why very large moissanite rings are increasingly worn by performers who want their jewelry to be part of the visual performance.
✓ 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.
Customise this piecePair with matching pieces from the same collection
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