Showing 1288 products
![[Pre-owned] 18K Yellow Gold Emerald Ring, E3.24ct, D1.52ct, JSL Certified, 13.0g, #12.5](http://koufuku.jp/cdn/shop/files/2000000112510_3.jpg?v=1762391102&width=480)
![[Used] 18K Yellow Gold Emerald and Diamond Ring 6.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000052861_2.jpg?v=1762391100&width=480)
![[Used] K18YG Emerald and Diamond Ring, E1.03ct, D2.45ct, 7.0g, #13](http://koufuku.jp/cdn/shop/files/2000000019895_2.jpg?v=1750923957&width=480)
![[Pre-owned] 18K Yellow Gold Emerald & Sapphire Ring, E2.30ct, S0.28ct, D0.14ct, 8.0g, #8](http://koufuku.jp/cdn/shop/files/2000000071091_2.jpg?v=1762391161&width=480)
![[Pre-owned] K18YG GARNET Ring 1.18ct D0.03ct 4.9g #10](http://koufuku.jp/cdn/shop/files/2000000047027_2.jpg?v=1760667250&width=480)
![[Used] K18YG GARNET Ring G1.26ct D0.61ct 6.7g #17.5](http://koufuku.jp/cdn/shop/files/2000000071763_2.jpg?v=1765012878&width=480)
![[Used] 18K Yellow Gold Garnet Ring, G5.24ct, D0.05ct, 7.8g, #13.5](http://koufuku.jp/cdn/shop/files/2000000095950_2.jpg?v=1765012877&width=480)
![[Pre-owned] K18YG Golden Pearl Ring, 12.0mm, D0.38t, 7.7g, #11.5](http://koufuku.jp/cdn/shop/files/2000000040493_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring 12.9mm D0.50ct 9.5g #11.5](http://koufuku.jp/cdn/shop/files/57309_01.jpg?v=1750402127&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] K18YG GOLDEN PEARL Golden Pearl Ring 12.1mm D0.47ct 8.5g #12](http://koufuku.jp/cdn/shop/files/2000000041124_2.jpg?v=1766219022&width=480)
![[Pre-owned] 18K Yellow Gold Jadeite Ring, Jadeite 2.313ct, Diameter 1.02ct, CGL Sorting, 5.2g, #13](http://koufuku.jp/cdn/shop/files/2000000093338_3.jpg?v=1768197671&width=480)
![[Pre-owned] 18K Yellow Gold Jadeite Ring, Jadeite 3.90ct, Diameter 0.60ct, 11.2g, #11.5](http://koufuku.jp/cdn/shop/files/2000000105604_2.jpg?v=1768882395&width=480)
![[Used] 18K Yellow Gold Jadeite Necklace 15.8g](http://koufuku.jp/cdn/shop/files/2000000099538_2.jpg?v=1762397785&width=480)
![[Pre-owned] 18K Yellow Gold Jadeite Jadeite Ring, J2.54ct, D1.00ct, 7.2g, #11.5](http://koufuku.jp/cdn/shop/files/2000000041001_2.jpg?v=1762391104&width=480)
![[Pre-owned] K18YG Jadeite Jadeite Ring with GRJ Sorting, 2.0g, #10](http://koufuku.jp/cdn/shop/files/2000000040455_3.jpg?v=1762391103&width=480)
![[Pre-owned] K18YG LAZURITE RING Lapis Lazuli Ring Figurative Design 13.2g #13](http://koufuku.jp/cdn/shop/files/2000000087597_2.jpg?v=1768446423&width=480)
![[Used] 18K Yellow Gold Mabe Pearl Pendant Necklace, 8.8g](http://koufuku.jp/cdn/shop/files/2000000024516_2.jpg?v=1762391101&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] 18K Yellow Gold Mabe Pearl Ring, 13.5mm, 4.1g, #10.5](http://koufuku.jp/cdn/shop/files/2000000048017_2.jpg?v=1765877332&width=480)
![[Used] 18K Yellow Gold Multi-Pendant Brooch with Multi-Color Stone Pendant, 17.4g Diamond](http://koufuku.jp/cdn/shop/files/2000000114415_2.jpg?v=1768444671&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)
