Gems, Jewelry and Precious Metals
Showing 1386 products
![[Used] PT900 MEXICO OPAL Mexican Opal Ring, MO 6.27ct, D 1.35ct, 15.0g, #15](http://koufuku.jp/cdn/shop/files/2000000024004_2.jpg?v=1766219023&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring, OP 2.19ct, D 0.21ct, 6.1g, #11](http://koufuku.jp/cdn/shop/files/2000000029672_2.jpg?v=1766219022&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring, OP 7.06ct, D 1.53ct, 16.0g, #14](http://koufuku.jp/cdn/shop/files/2000000005553_2.jpg?v=1766219022&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring, OP 11.1ct, D 0.36ct, 11.9g, #10](http://koufuku.jp/cdn/shop/files/2000000000978_2.jpg?v=1766219021&width=480)
![[Used] K18WG GARNET Ring G3.12ct D0.45ct 8.6g #12](http://koufuku.jp/cdn/shop/files/2000000065717_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S1.55ct, D0.47ct, 3.1g, #13.5](http://koufuku.jp/cdn/shop/files/2000000045269_2.jpg?v=1766219022&width=480)
![[Used] PT900 Jadeite Jadeite Ring J3.34ct D0.73ct 9.4g #13](http://koufuku.jp/cdn/shop/files/2000000014531_2.jpg?v=1766219023&width=480)
![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring, P12.0mm, D0.60ct, 11.3g, #12](http://koufuku.jp/cdn/shop/files/2000000040158_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG KUNZITE Ring K6.60ct D0.20ct 9.20g #10.5](http://koufuku.jp/cdn/shop/files/2000000043876_2.jpg?v=1766219022&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring D0.41ct 10.5g #15](http://koufuku.jp/cdn/shop/files/2000000029382_2.jpg?v=1766219022&width=480)
![[Used] K18WG DIAMOND Diamond Ring D0.60ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000053509_2.jpg?v=1766219023&width=480)
![[Used] PT900 DIAMOND Ring D0.83ct 6.4g #8](http://koufuku.jp/cdn/shop/files/2000000087191_2.jpg?v=1766219022&width=480)
KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S0.95ct, D0.27ct, 4.4g, #13.5](http://koufuku.jp/cdn/shop/files/2000000126050_2.jpg?v=1766219023&width=480)
![[Used] PT900 OPAL Opal Ring OP9.59ct 12.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000029610_2.jpg?v=1766219023&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
