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Please note: This piece is set with moissanite — a silicon carbide gemstone with its own GRA certificate. It is not a natural diamond and not a lab-grown diamond.
Exceptional size in the world's most beloved cut — the 6.65ct DEW White Moissanite Round Solitaire Ring in 18K Gold Vermeil on 925 Sterling Silver, GRA certified. A 6.65ct round brilliant moissanite sits approximately 12mm in diameter — a truly commanding presence on any hand.
At 6.65ct DEW, the round moissanite measures approximately 11.9–12.1mm in diameter. For context: a standard US quarter coin is 24mm, so this stone is roughly half the diameter of a quarter. In fine jewelry terms, 6ct+ rounds are categorically "statement" sized — significantly above the national average engagement ring size of 1–1.5ct. The stone will produce refracted light visible across a room under standard indoor lighting.
For stones above 5ct DEW, prong count becomes important — more prongs (6 rather than 4) distribute the stone's weight and reduce the risk of loss if a single prong tip chips. A high-profile solitaire setting maximises light exposure from all angles. A low-profile setting is better for active lifestyles as the stone sits closer to the hand and is less vulnerable to impact. GemHub & Co. solitaire rings for large stones are set in 6-prong configurations to ensure the stone is safely secured.
✓ Free insured shipping across the UAE ✓ 30-day easy returns ✓ 45-day exchange ✓ GRA certificate included ✓ Factory-direct pricing
Free UAE Shipping — Complimentary, fully insured delivery on all orders within the United Arab Emirates.
Crafting — Made-to-order pieces are crafted in 5–6 working days.
Delivery within the UAE — 1–2 business days after dispatch via a fully insured premium courier (approximately 6–8 business days in total).
Signature Required — High-value shipments require an adult signature on delivery.
30-Day Returns — Standard made-to-order and ready-to-ship pieces are eligible for return or exchange within 30 days of delivery.
Free Returns — Every eligible return ships free with a prepaid, insured label.
Condition — Items must be unworn, in original condition, with all original packaging and certificates included.
Final Sale — Engraved and bespoke, custom-design pieces are final sale.
Every piece comes with a genuine IGI or GRA 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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