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![[Pre-owned] PT900 BURMA RUBY RING Burmese Cabochon Cut Ruby Ring R6.92ct D1.03ct GRS Certified 9.2g #12](http://koufuku.jp/cdn/shop/files/2000000135595_3.jpg?v=1789103962&width=480)
![[Pre-owned] K18YG EMERALD RING E0.31ct D0.16ct 5.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000140919_2.jpg?v=1789103513&width=480)
![[Pre-owned] K18/PT900 EMERALD RING E0.31ct 3.6g #11.5](http://koufuku.jp/cdn/shop/files/2000000146027_2.jpg?v=1789103331&width=480)
![[Pre-owned] PT900/K18 RUBY RING Cabochon Cut Ruby Ring R9.79ct D1.806ct 14.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000113869_3.jpg?v=1789103104&width=480)
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![[Pre-owned] K18YG RUBY RING D0.06ct 3.6g #10](http://koufuku.jp/cdn/shop/files/2000000147376_2.jpg?v=1789101985&width=480)
![[Pre-owned] K18WG Ruby Ring, Cabochon Cut Ruby R4.11ct D0.34ct 12.0g #13.5](http://koufuku.jp/cdn/shop/files/2000000070896_2.jpg?v=1789101816&width=480)
![[Pre-owned] PT900 EMERALD RING E1.06ct D0.62ct 7.5g #12](http://koufuku.jp/cdn/shop/files/2000000145976_2.jpg?v=1789101609&width=480)
![[Pre-owned] K18 SAPPHIRE DIAMOND RING Sapphire 2.37ct Diamond 1.16ct 12.1g #14.5](http://koufuku.jp/cdn/shop/files/2000000069470_2.jpg?v=1789101362&width=480)
![[Pre-owned] PT900 BLACK OPAL RING BO1.31ct D0.50ct 8.2g #12](http://koufuku.jp/cdn/shop/files/2000000095462_2.jpg?v=1789101190&width=480)
![[Pre-owned] PT900 ALEXANDRITE RING 1.018ct D0.30ct 6.6g #12 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000137520_2.jpg?v=1789100535&width=480)
![[Pre-owned] PT900 SOUTH SEA PEARL RING 11.5mm D0.11ct 9.0g](http://koufuku.jp/cdn/shop/files/2000000146058_2.jpg?v=1789096660&width=480)
![[Pre-owned] PT900 TAHITIAN PEARL RING 11.2mm D0.27 7.7g #13.5](http://koufuku.jp/cdn/shop/files/2000000146201_2.jpg?v=1789034620&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S5.06ct D0.78ct 6.5g #13.5](http://koufuku.jp/cdn/shop/files/2000000050447_2.jpg?v=1789034504&width=480)
![[Pre-owned] K18WG Grossular Garnet Ring 1.20ct D0.34ct with Sorting 6.6g](http://koufuku.jp/cdn/shop/files/2000000140902_3.jpg?v=1789034374&width=480)
![[Pre-owned] PT900 DIAMOND RING D2.00ct 20.0g #9.5](http://koufuku.jp/cdn/shop/files/2000000145037_2.jpg?v=1789034234&width=480)
![[Pre-owned] MARIO BUCCELLATI 18K Yellow Gold Sapphire Ring 0.80ct 7.9g Size 5.5 (US) ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000096087_2.jpg?v=1789033407&width=480)
![[Pre-owned] PT850/K18 DIAMOND RING 0.529ct 3.8g #18.5](http://koufuku.jp/cdn/shop/files/2000000113968_2.jpg?v=1789033272&width=480)
![[Pre-owned] PT900 DIAMOND RING Diamond Solitaire Ring 0.263ct 3.0g #9](http://koufuku.jp/cdn/shop/files/2000000112619_2.jpg?v=1789032859&width=480)
![[Pre-owned] 750 Diamond Ring K18PG Diamond Ring 2.5g #11.5](http://koufuku.jp/cdn/shop/files/2000000147307_2.jpg?v=1789032572&width=480)
![[Pre-owned] PT950 DIAMOND RING D1.00ct 3.1g #14](http://koufuku.jp/cdn/shop/files/2000000145877_2.jpg?v=1789032227&width=480)
![[Pre-owned] PT900 DIAMOND RING D2.00ct 6.4g #9](http://koufuku.jp/cdn/shop/files/2000000146287_2.jpg?v=1789030046&width=480)
![[Pre-owned] K18YG DIAMOND RING Diamond Reversible Heart Charm Ring D0.32ct 5.4g #12](http://koufuku.jp/cdn/shop/files/2000000145914_2.jpg?v=1789029129&width=480)
![[Pre-owned] PT900 EMERALD RING E3.03ct D1.01ct 8.9g #10](http://koufuku.jp/cdn/shop/files/2000000146362_2.jpg?v=1789028971&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] PT900 EMERALD RING E0.96ct D0.73ct 6.8g #7](http://koufuku.jp/cdn/shop/files/2000000146041_2.jpg?v=1788773467&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)