Showing 1786 products
![[Pre-owned] K18YG 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] K18YG MABE PEARL EARRINGS 13.5mm 6.0g](http://koufuku.jp/cdn/shop/files/2000000147208_2.jpg?v=1792047099&width=480)
![[Pre-owned] K18YG MABE PEARL NECKLACE 5.7g 13.8mm](http://koufuku.jp/cdn/shop/files/2000000114101_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18YG MABE PEARL Ring 12mm 3.3g #7.5](http://koufuku.jp/cdn/shop/files/2000000080901_2.jpg?v=1746162083&width=480)
![[Pre-owned] K18YG Mabe Pearl Pendant Necklace 18.5mm 9.3g](http://koufuku.jp/cdn/shop/files/2000000044057_2.jpg?v=1765161797&width=480)
![[Pre-owned] K18YG 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)
![[Pre-owned] K18YG MEXICO OPAL RING OP1.08ct D0.13ct 3.7g #13.5](http://koufuku.jp/cdn/shop/files/2000000041018_2.jpg?v=1785996572&width=480)
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![[Used] K18YG MULTI COLOR STONE RING Emerald/Ruby/Sapphire/Diamond Ring 0.53ct WS0.39ct 4.4g #12](http://koufuku.jp/cdn/shop/files/2000000131566_2.jpg?v=1771814766&width=480)
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![[Used] K18YG MULTI STONES RING Multi-color Stone Ring D0.37ct 10.8g #12](http://koufuku.jp/cdn/shop/files/2000000123127_2.jpg?v=1771316785&width=480)
![[Pre-owned] K18YG Onyx Necklace 18.2g](http://koufuku.jp/cdn/shop/files/2000000047966_2.jpg?v=1765161776&width=480)
![[Pre-owned] K18YG Cantera Opal Ring OP6.47ct D0.04ct 8.2g #14](http://koufuku.jp/cdn/shop/files/2000000076782_2.jpg?v=1760667249&width=480)
![[Used] K18YG PEARL BROOCH Baroque Pearl Brooch 35.5g](http://koufuku.jp/cdn/shop/files/2000000073194_2.jpg?v=1768444693&width=480)
![[Pre-owned] K18YG PEARL EARRINGS Freshwater Pearl Earrings 8.7g](http://koufuku.jp/cdn/shop/files/2000000073835_2.jpg?v=1792048292&width=480)
![[Pre-owned] K18YG Peridot Necklace, Peridot & Garnet Pendant Necklace, P0.65ct G0.23ct, 7.4g](http://koufuku.jp/cdn/shop/files/2000000116556_2.jpg?v=1765161881&width=480)
![[Pre-owned] K18YG Ruby Ring, Burmese Unheated Ruby Ring, R2.40ct D0.34ct, 4.5g, #11](http://koufuku.jp/cdn/shop/files/2000000090207_2.jpg?v=1771665153&width=480)
![[Pre-owned] K18YG RUBY RING R1.35ct D0.78ct 10.0g #10](http://koufuku.jp/cdn/shop/files/2000000131207_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG Ruby Ring R2.32ct D0.13ct 6.0g #11](http://koufuku.jp/cdn/shop/files/2000000121413_2.jpg?v=1777281401&width=480)
![[Pre-owned] K18YG Ruby Ring R0.65ct D0.33ct 7.8g #12](http://koufuku.jp/cdn/shop/files/2000000044439_2.jpg?v=1764830276&width=480)
![[Pre-owned] K18YG 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 S1.27ct D1.95ct 11.1g #12](http://koufuku.jp/cdn/shop/files/2000000121703_2.jpg?v=1771665162&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[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] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)