Blue Moonstone is our signature gem. For the 18K Blue Moon Heart Necklace, we have collected a radiant suite of gems that resemble a strand of captured moonlight. This is a singular piece due to the fact that many of the larger gems of this quality are impossible to duplicate. Product Details 18K gold Blue Moonstone, heart shape cabochon cut, 61.80cts Diamonds 1.211cts Width: 18" Italy