GRS Certified 5.79 Carat Oval Royal Blue Sapphire and Diamond Halo Ring white gold Set in an 18k white

Set in an 18k white and yellow gold ring setting

which features a split shank leading to a cathedral base

mixed-cut natural blue sapphires with a cumulative weight of 0

Corum is the official timekeeper of the Victory Challenge at America's Cup

GRS Certified 5.79 Carat Oval Royal Blue Sapphire and Diamond Halo Ring white gold Set in an 18k white1GA1598 1S18064OGRNG18K18KW 8. 83G DR 24 2. 03 ROYAL BLUE(a) GRS Certified 5. 79 Carat Oval Royal Blue Sapphire and Diamond Ring in 18K White Gold. The Sapphire has a GRS labs graded color grade of "vivid blue" otherwise known in the trade as "royal blue", meaning the gem displays a rich, deeply saturated hue that permeates throughout the gemstone. Adorned by a round cut white diamond halo with pointed edges, forming a star shape motif. Item Details: