Ring – Day – 790 Euro by Massai Orafi | Oct 13, 2017 18 carat gold (kt) yellow gold: 8.00 grams (gr). 4 white diamonds,drop cut carat 0.33 (ct) (G color VVs clarity). 1 ruby of 0.42 carat (ct) Size: 7.1/4 inches (Usa) | 15 mm (Italy). price: 790.00 euro (iva included) (gold 36 euro X gr).