- 18ct YG Diamond & Sapphire Ring Cluster 3.1gSecond Hand (Hallmark Very Worn) Round Pink Sapphire & Diamond Cluster RingSecond Hand 18ct Culture Pearl & Sapphire Cluster RingSecond Hand 18ct Old Diamond & Sapphire Ornate Cluster RingSecond Hand 18ct Sapphire & Diamond Cluster Ring With Textured ShouldersSecond Hand 18ct Sapphire & Diamond Fancy Firework Cluster RingSecond Hand 18ct Sapphire & Diamond Tiered Cluster RingSecond Hand 18ct Sapphire Trilogy Ring