Image 1 of 1 Blue Sapphire & Diamond XO Necklace $59,000.00 Natural Blue Sapphire & Diamond XO Necklace 8-5/8 cttw 14K White Gold 16" Quantity: Add To Cart Added! Natural Blue Sapphire & Diamond XO Necklace 8-5/8 cttw 14K White Gold 16"