Metal Type 10kt Yellow Gold Item Number 120970 Style Fashion Carats Total Weight * 13 & 3/8 Ct.t.w. Primary Gem Type Diamond Primary Gem Shape Round Primary Gem Color / Clarity J-K / I2 Length 762 mm ( 30 inches ) Gram Weight 39.82 grams (approximately) * Combined diamond weight of 13 & 3/8 carats total weight represents a range of 13.37 - 13.44 cts. t.w.