Discover our stunning necklace with a blue sapphire center stone adorned with a dazzling diamond crystalline halo, exuding elegance and sophistication. Main Stone: Blue Sapphire  Gem Origin: Lab Created Main Stone Weight: 1.5 carat Accent Stones: Diamond Crystalline Total Gem Weight: 3.5ctw Metal Type: Sterling Silver 925 Metal Finish: Platinum Chain Length: Signature Anna Zuckerman Adjustable Chain (16 to 20 inches)