Showing 1288 products
![[Pre-owned] K18WG STAR SAPPHIRE Ring, SS 2.632ct, D 0.22ct, 2.7g, #13.5](http://koufuku.jp/cdn/shop/files/2000000050409_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18WG STAR SAPPHIRE Star Sapphire Ring, SS4.67ct, D0.15ct, 3.6g, #13](http://koufuku.jp/cdn/shop/files/2000000050331_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18YG AKOYA PEARL RING Akoya pearl ring, P8.0mm, D0.361ct, 12.9g, #14](http://koufuku.jp/cdn/shop/files/2000000126586_2.jpg?v=1768808719&width=480)
![[Pre-owned] K18YG Akoya Pearl Ring, 6.9mm, D0.48ct, 5.9g](http://koufuku.jp/cdn/shop/files/2000000115146_2.jpg?v=1762391140&width=480)
![[Pre-owned] K18YG Akoya Pearl Ring, P7.0mm, D0.25ct, 5.0g, #10.5](http://koufuku.jp/cdn/shop/files/2000000106236_2.jpg?v=1762397786&width=480)
![[Pre-owned] K18YG AMBER Amber Pendant Necklace with Insects, D0.18ct, 12.9g, N](http://koufuku.jp/cdn/shop/files/2000000074672_3.jpg?v=1763176220&width=480)
![[Pre-owned] 18K Yellow Gold Coral Necklace, 4.5mm - 7.5mm, D0.12ct, 23.3g](http://koufuku.jp/cdn/shop/files/2000000097879_2.jpg?v=1765161777&width=480)
![[Pre-owned] 18K Yellow Gold Emerald and Diamond Pendant Necklace, 7.9g](http://koufuku.jp/cdn/shop/files/2000000115320_3.jpg?v=1766992797&width=480)
![[Used] K18YG Emerald Necklace Emerald Necklace E0.65ct 45.8g](http://koufuku.jp/cdn/shop/files/2000000117348_2.jpg?v=1765161777&width=480)
![[Pre-owned] K18YG Emerald Ring Emerald/Diamond Ring E0.59ct D0.57ct 7.4g #17](http://koufuku.jp/cdn/shop/files/2000000123158_2.jpg?v=1771316785&width=480)
![[Used] K18YG Emerald Ring Emerald 0.96ct D0.64ct 7.0g #15](http://koufuku.jp/cdn/shop/files/2000000117379_2.jpg?v=1766824686&width=480)
![[Pre-owned] K18YG GOLDEN PEARL RING Golden Pearl Ring P14.5mm D1.03ct 11.4g #12](http://koufuku.jp/cdn/shop/files/2000000058177_2.jpg?v=1768806608&width=480)
![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring 13.1mm D0.17ct 9.7g #14](http://koufuku.jp/cdn/shop/files/2000000056531_2.jpg?v=1750472223&width=480)
![[Pre-owned] 18K Yellow Gold Mabe Pearl Necklace, 5.7g, 13.8mm Mabe Pearl Pendant Necklace](http://koufuku.jp/cdn/shop/files/2000000114101_2.jpg?v=1765175629&width=480)
![[Used] K18YG MABE PEARL Mabe pearl ring 12mm 3.3g #7.5](http://koufuku.jp/cdn/shop/files/2000000080901_2.jpg?v=1746162083&width=480)
![[Pre-owned] 18K Yellow Gold Mabe Pearl Pendant Necklace, 18.5mm, 9.3g](http://koufuku.jp/cdn/shop/files/2000000044057_2.jpg?v=1765161797&width=480)
![[Pre-owned] 18K Yellow Gold Mabe Pearl Pendant Necklace, 13.0mm-14.0mm, D0.02ct, 9.2g](http://koufuku.jp/cdn/shop/files/2000000112916_2.jpg?v=1765161777&width=480)
![[Used] K18YG ONYX Necklace 18.2g](http://koufuku.jp/cdn/shop/files/2000000047966_2.jpg?v=1765161776&width=480)
![[Pre-owned] K18YG OPAL Cantera Opal Ring, OP 6.47ct, D 0.04ct, 8.2g, #14](http://koufuku.jp/cdn/shop/files/2000000076782_2.jpg?v=1760667249&width=480)
![[Used] K18YG PEARL BROACH Baroque Pearl Brooch 35.5g](http://koufuku.jp/cdn/shop/files/2000000073194_2.jpg?v=1768444693&width=480)
![[Pre-owned] K18YG RUBY Ruby Ring 0.80ct D0.72ct 7.3g #16](http://koufuku.jp/cdn/shop/files/2000000073026_2.jpg?v=1759988719&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 Ruby Ring, R 0.65ct, D 0.33ct, 7.8g, #0.30ct](http://koufuku.jp/cdn/shop/files/2000000044439_2.jpg?v=1764830276&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)
