Item details Item number 289811 Brand name Cartier Item name Cartier Ring Trinity Small Model SM Three Color- 18K Pink Gold 18K White Gold 18K Yellow Gold No. 10 (10 JP / US 5.25) Material 18K pink gold (engraved 750) 18KWhite Gold (engraved 750) 18K yellow gold (engraved 750) Stone used Size 10 (10 JP / US 5.5) (Size) Ring width 1 piece 2.8 mm (0.11 in) Ring width 3 5.2 - 5.5 mm (0.22 in) Weight 4.7 g Accessories box