Laboratory Diamond Jewellery › 2.73ct Necklace -SQ0835420 Image 1 of 1 2.73ct Necklace -SQ0835420 $7,580.00 sold out An 18ct White Gold Tennis Necklace set with Lab Diamonds with a TDW of 2.73cts. DEF VS Sold Out Added! An 18ct White Gold Tennis Necklace set with Lab Diamonds with a TDW of 2.73cts. DEF VS