· 14 Kt. white gold/blue topaz/diamond. · Diamonds= .23 ct. t.w. · Imported. · Fine jewelry is available for Standard Delivery only. · A brilliant blue topaz necklace from Lord & Taylor is a great statement piece for any occasion. A faceted blue topaz stone is set in 14 Kt. white gold and surrounded by shimmering diamonds to create a necklace that is simply alluring.