K18 Pt900 Aquamarine 1.82ct Diamond 0.20ct This is an original product, made by our store using high-quality aquamarine and diamonds purchased as loose stones and then crafted. Aquamarine size (including the Pt900 frame): Length: 8.1mm Width: 11.5mm Thinnest part of the ring: 3.1 mm Weight: 7.1g Size: 12.7 If you need an appraisal certificate, it will cost an additional ¥2,000. We are looking forward to hearing from those who are interested. m(__)m