The Memoire Essential Collection Diamond Heart Shape Necklace is crafted in 18K white gold. It features 20 Round Brilliant Cut diamonds with an average carat weight of 0.44 G and an SI1 clarity rating, boasting excellent make and polish. The necklace measures 17.8 x 16.40mm and comes with a 1.2 mm cable chain that is adjustable to 16" and 17" lengths, complete with a lobster clasp closure. The entire piece weighs 3.8 grams.