Thank you for viewing. This is a K10 white gold necklace featuring tanzanite and diamonds. The heart-shaped center features a tanzanite, surrounded by diamonds, and the side light holes are also heart-shaped, creating a cute design. ■Gemstones Tanzanite: Approximately 2mm, 1 stone Diamonds: 9 stones (total 0.09ct) ■Material 10K white gold (K10WG) ■Size (approximate) Pendant top: 5mm (length) x 6mm (width) x 4mm (thickness) Azuki chain: 40cm long * There is a round clasp approximately 3.5cm from the end. ■Remarks The top and chain are not detachable. K10 hallmark on the chain plate and top. 0.09 hallmark on the top. I purchased this from a jewelry shop on Yahoo, but it seems they are now closed. It has been used only a few times and I don't think there are any noticeable scratches, but please forgive any minor scratches from use. This is a used item, so please refrain from purchasing if you are concerned about minor details. Thank you very much.