Material: Platinum Pt900 Pt850 Decoration: Natural Aquamarine Side Stones: Natural Diamonds Chain: 45cm with adjuster ★Comes with a certificate of authenticity★ Purchased for just under 200,000 yen. I am selling this because I purchased something else. Some price negotiation is possible, but please refrain from unreasonable offers. Also listed on other sites, so please make your purchase as soon as possible if you are interested.