Amazon.com: 14k White Gold Natural Mini Pink Sapphire & Diamond (G H Si2 I1) Womens 1 3 CT. T.W. Lab Grown White Diamond 10K White Lot 14K WHITE GOLD DIAMOND & SAPPHIRE PENDANT NECKLACE Natural Sapphire Diamond Pendant with Chain 14k W Gold 2.17 TCW Necklace and Pendant set with Sapphire and Diamonds 14k white gold For. This romantic yet radiant necklace is suspended from 14 karats white gold. It is formed in the shape of an interwoven ribbon and heart. The lovely heart is embellished with sparkling round cut diamonds, and the ribbon design is decorated with beautiful, lab created pink sapphire gemstones, which adds an extra touch to its look.