18K 6.00 CT. CABOCHON SAPPHIRE RING: 18K yellow gold ring contains one oval shaped cabochon cut sapphire. Weight: 6.00 Ct. Approx. Rated SI in clarity (Type II), B in Hue, 4 in Tone and 3 in Saturation. The sapphire is bezel set. Weight: 11.3 grams. Size 8 No Reserve.