Gems, Jewelry and Precious Metals
Showing 1386 products
![[Pre-owned] 18K Yellow Gold Ruby Ring, R1.01ct, D0.63ct, 5.8g, #12](http://koufuku.jp/cdn/shop/files/2000000037660_2.jpg?v=1765012877&width=480)
![[Pre-owned] La NOUVELLE BAGUE K18WG DIAMOND Ring 15g #11.5 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000025148_2.jpg?v=1765012878&width=480)
![[Used] K18WG KUNZITE Ring K13.80ct D1.66ct 12.60g #14](http://koufuku.jp/cdn/shop/files/2000000044118_2.jpg?v=1765012877&width=480)
![[Pre-owned] K18WG Pink Sapphire Ring PS 0.656ct D 0.45ct 7.4g #14](http://koufuku.jp/cdn/shop/files/2000000047140_2.jpg?v=1765012877&width=480)
![[Used] PEARL & QUARTZ Freshwater Pearl & Quartz Necklace 22.6g](http://koufuku.jp/cdn/shop/files/2000000080222_2.jpg?v=1765012878&width=480)
![[Used] K18PG DIAMOND ring, D2.83ct, 3.9g](http://koufuku.jp/cdn/shop/files/2000000039886_2.jpg?v=1765012878&width=480)
![[Pre-owned] K18WG/Shell Diamond Ring D0.20ct 6.5g #9](http://koufuku.jp/cdn/shop/files/2000000042701_2.jpg?v=1765012877&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] K18WG Emerald Ring E6.68ct D2.88ct 9.8g #15.5](http://koufuku.jp/cdn/shop/files/2000000069296_2.jpg?v=1765159205&width=480)
![[Pre-owned] K18WG Emerald Ring, E5.67ct, D0.40ct, 4.5g, #12.5](http://koufuku.jp/cdn/shop/files/2000000036038_2.jpg?v=1765159205&width=480)
![[Used] PT900 ALEXANDRITE Ring, A 0.31ct, D 0.46ct, 5.2g, #8](http://koufuku.jp/cdn/shop/files/2000000015408_2.jpg?v=1765159205&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring R10.05ct D2.23ct 14.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000045122_2.jpg?v=1765159208&width=480)
![[Pre-owned] 18K White Gold Colombian Emerald Ring, E5.13ct, D1.10ct, GRS Certificate, 6.9g, #15](http://koufuku.jp/cdn/shop/files/2000000038797_3.jpg?v=1765159207&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring, R6.03ct, D3.63ct, GRS Certificate, 11.0g, #14](http://koufuku.jp/cdn/shop/files/2000000068954_3.jpg?v=1765159207&width=480)
![[Pre-owned] K18WG Chrysoberyl Ring C0.808ct D0.35ct 4.5g #14](http://koufuku.jp/cdn/shop/files/2000000079967_3.jpg?v=1765159207&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S0.71ct, D0.17ct, 5.0g, #14](http://koufuku.jp/cdn/shop/files/2000000044880_2.jpg?v=1765159208&width=480)
![[Pre-owned] MIKIMOTO K18WG Clasp Akoya Pearl Necklace 7.0mm 32.4g Box One Price](http://koufuku.jp/cdn/shop/files/2000000006376_2.jpg?v=1765161777&width=480)
![[Pre-owned] LOUIS VUITTON Necklace, 18K White Gold, 27.6g, One Price](http://koufuku.jp/cdn/shop/files/2000000114712_2.jpg?v=1765161776&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.
![[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)
