Ring – Gioconda 18 carat gold (kt) white gold: 6.80 grams (gr). 90 diamond, brilliant cut 0.74 carat (ct) (H colour, Vs1 clarity). 1 Tahitian pearl, 8.00 carat (ct) size 11.00 mm. Size: 6.10 inches (Usa) | 13 mm (Italy). Codex: ETRS.ss.