2.83 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,700
2.74 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,100
Beautiful 4.74 CT Unheated/Untreated Ceylon Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,800
3.13 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,500
2.51 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,100
3.55 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,400
3.04 CT Unheated/Untreated Ceylon Cornflour Blue Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,200
PLATINUM VINTAGE RING NATURAL UNTREATED BLUE CABOCHON SAPPHIRE 7.35CT GIA CERTModern Jewelry4.4(204)$16,000May 10, 2026
Unheated Untreated 3.87 CT Natural Ceylon Purple Sapphire Diamonds & 18k GoldWilliam George4.2(10)£1,200
VINTAGE PLATINUM ENGAGEMENT RING 3.76CT.NATURAL UNTREATED OVAL BLUE SAPPHIRE GIAModern Jewelry4.4(204)$16,000May 10, 2026
