Ring – Star – Sapphire and Diamonds – 550 Euro 18 carat gold (kt) yellow and white gold: 6.50 grams (gr). 6 white diamonds, carat 0.67 (ct) (H color Vs2 clarity). 1 sapphire, carat 1.34 (ct) Size: 7 inches (Usa) | 14 mm (Italy). Price: 550.00 euro (iva included) (gold 36 X gr).