This is a black gold-filled wedding, engagement, anniversary promise ring set with blue sapphire cubic zirconia. Smaller clear crystals enhance the sides of this ring and the band to add even more detail and sparkle. Center stones measures 8mm with sides stones at 4mm and 2mm clear crystals. Band measure 3mm and both rings together measure 10mm. This is a stunning ring even more impressive in person. Such a unique ring she is sure to love!