This is a Pt850 0.43 carat solitaire diamond necklace. The clasp has the Pt850 and Japan Mint marks. The solitaire diamond gives a luxurious impression, like a ring. Length adjustment adjuster (from the metal fitting): approx. 3cm Length: approx. 42cm from the clasp Weight: approx. 3.1g *including diamond Gold and platinum prices are rising. How about it as an asset? This is close to the final price. If you are interested, please consider it. *Please purchase if you understand that this is a used item.