Showing 1288 products
![[Pre-owned] K18YG SAPPHIRE RING Sapphire Ring S0.91ct D0.80ct 6.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000047089_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18YG SAPPHIRE RING Sapphire Ring S1.59ct S0.91ct D1.62ct 9.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000002477_2.jpg?v=1765161884&width=480)
![[Pre-owned] K18YG SAPPHIRE RUBY RING Sapphire/Ruby Ring D0.16ct 3.6g #12](http://koufuku.jp/cdn/shop/files/2000000056203_2.jpg?v=1768882395&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S1.18ct D0.71ct 7.0g #17](http://koufuku.jp/cdn/shop/files/2000000125633_2.jpg?v=1767585964&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.52ct, S0.50ct, D0.77ct, 5.2g, #15.5](http://koufuku.jp/cdn/shop/files/2000000095028_2.jpg?v=1766802912&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.89ct, D1.18ct, Sorting, 5.8g, #13](http://koufuku.jp/cdn/shop/files/2000000117089_3.jpg?v=1765877331&width=480)
![[Used] K18YG SOUTH SEA PEARL South Sea pearl ring 12.6mm 12.8mm 10.8mm 19.5g #12](http://koufuku.jp/cdn/shop/files/2000000071336_2.jpg?v=1746161988&width=480)
![[Pre-owned] 18K Yellow Gold South Sea Pearl Baroque Pearl Pendant Necklace, 11.8mm, 5.0g](http://koufuku.jp/cdn/shop/files/2000000099231_2.jpg?v=1764830276&width=480)
![[Used] K18YG Ruby and Sapphire Ring R0.44ct S0.63ct D0.09ct NGL Certificate 4.1g #11](http://koufuku.jp/cdn/shop/files/2000000068701_3.jpg?v=1751002561&width=480)
![[Pre-owned] K18YG/PT900 Diamond Ring MQ0.17ct D0.24ct 11.5g #16](http://koufuku.jp/cdn/shop/files/2000000124728_2.jpg?v=1765877332&width=480)
![[Used] K18YG/PT900 PEARL South Sea Baroque Pearl Ring 12.1mm D0.16ct 13.5g #14.5](http://koufuku.jp/cdn/shop/files/2000000071640_2.jpg?v=1746162159&width=480)
![[Pre-owned] K18YG/PT900 SOUTH SEA PEARL BROACH White South Sea Pearl Brooch, P12.8mm, 14.0g](http://koufuku.jp/cdn/shop/files/2000000097923_2.jpg?v=1768444693&width=480)
![[Used] K18YG/Enamel PEARL BROACH Baroque Pearl Brooch 8.6g](http://koufuku.jp/cdn/shop/files/2000000037851_2.jpg?v=1768444653&width=480)
![[Pre-owned] K20YG SAPPHIRE DIAMOND RING Invisible Setting Sapphire/Diamond Ring 8.0g #12](http://koufuku.jp/cdn/shop/files/2000000131245_2.jpg?v=1771312893&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] PT850 RUBY Ruby Ring R0.53ct D0.83ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000018690_2.jpg?v=1759735437&width=480)
![[Pre-owned] PT850/PT900 Emerald Pendant Necklace, E3.83ct, D1.32ct, 16.0g](http://koufuku.jp/cdn/shop/files/2000000074474_2.jpg?v=1762397786&width=480)
![[Pre-owned] PT850/PT900 Jadeite Jadeite Pendant Necklace, J0.96ct, D0.23ct, 5.7g](http://koufuku.jp/cdn/shop/files/2000000106700_2.jpg?v=1762315997&width=480)
![[Pre-owned] PT850/PT900 SAPPHIRE Necklace, Sapphire Pendant Necklace, S0.60ct, D0.14ct, 4.4g](http://koufuku.jp/cdn/shop/files/2000000114200_2.jpg?v=1765175628&width=480)
![[Pre-owned] PT850/PT900 South Sea Pearl White Butterfly Pearl Pendant Necklace, 13.6mm, D0.71ct, 10.5g](http://koufuku.jp/cdn/shop/files/2000000019512_2.jpg?v=1762391063&width=480)
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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 AKOYA PEARL Akoya pearl ring 8.6mm D0.17ct 5.8g #9.5](http://koufuku.jp/cdn/shop/files/2000000014357_2.jpg?v=1746180305&width=480)
![[Used] PT900 AKOYA Akoya pearl ring 7.5mm D0.08ct 5.5g #16](http://koufuku.jp/cdn/shop/files/2000000080949_2.jpg?v=1746161933&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)
