Showing 1288 products
![[Pre-owned] PT950/PT850 Diamond Pendant Necklace 1.000ct D0.64ct 4.1g](http://koufuku.jp/cdn/shop/files/2000000076690_2.jpg?v=1765161776&width=480)
![[Pre-owned] QUEEN (Heiwado Trading) K18YG Diamond Ring, D1.28ct, 6.8g, #15](http://koufuku.jp/cdn/shop/files/2000000010748_2.jpg?v=1765877430&width=480)
![[Used] K18YG MULTI STONES RING Multi-colored stone ring D0.37ct 10.8g #12](http://koufuku.jp/cdn/shop/files/2000000123127_2.jpg?v=1771316785&width=480)
![[Pre-owned] K18YG RUBELLITE TOURMALINE RING, 1.69ct, D0.02ct, 5.2g, #12](http://koufuku.jp/cdn/shop/files/2000000069968_9.jpg?v=1746249882&width=480)
![[Pre-owned] SV SPINEL Necklace, 7-strand black spinel necklace, 38.1g, 43cm](http://koufuku.jp/cdn/shop/files/2000000112695_2.jpg?v=1768444653&width=480)
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![[Used] I-PRIMO PT950 DIAMOND Ring 0.264ct 3.0g](http://koufuku.jp/cdn/shop/files/2000000089119_2.jpg?v=1762391139&width=480)
![[Pre-owned] Jewel Studio 18K/PT900 Sphene/Yellow Sapphire Ring 3.41ct 0.98ct D0.32 18.3g #13](http://koufuku.jp/cdn/shop/files/2000000130415_2.jpg?v=1771312893&width=480)
![[Pre-owned] Les Essentiels K18WG Diamond Ring 3.5g #16](http://koufuku.jp/cdn/shop/files/2000000010465_2.jpg?v=1750923953&width=480)
![[Pre-owned] Mitsukoshi PM Emerald Ring, E0.85ct, D0.44ct, 4.3g, #10, Handmade](http://koufuku.jp/cdn/shop/files/2000000087795_2.jpg?v=1752392450&width=480)
![[Pre-owned] Mitsukoshi PT900 Jadeite Ring, Jadeite 3.74ct, Diameter 1.92ct, GRJ Sorting, 12.6g, #8](http://koufuku.jp/cdn/shop/files/2000000125442_3.jpg?v=1767585965&width=480)
![[Pre-owned] Naoko Omori K18WG SAPPHIRE & DIAMONDS Sapphire and Diamond Necklace, S5.18cr, D1.10ct, 17.8g](http://koufuku.jp/cdn/shop/files/2000000108285_2.jpg?v=1765163848&width=480)
![[Used] Mitsuo Kaji K18/K18WG PENDANT Pendant top D0.33ct 37.4g](http://koufuku.jp/cdn/shop/files/2000000012599_2.jpg?v=1768444693&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)
