Showing 1961 products
![[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, Sapphire 1.29ct, Diamond 1.53ct, with GRJ sorting, 9.5g, Size 12](http://koufuku.jp/cdn/shop/files/2000000071367_3.jpg?v=1765175629&width=480)
![[Pre-owned] K18YG RUBY RING R0.45ct D0.60ct 5.2g #12](http://koufuku.jp/cdn/shop/files/2000000116440_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.96ct D0.23ct 9.2g #10](http://koufuku.jp/cdn/shop/files/2000000019994_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG Sapphire Ring, Sri Lankan Unheated Sapphire, S6.15ct, D1.18ct, GRS Certified, 6.1g, Size 14](http://koufuku.jp/cdn/shop/files/2000000035222_3.jpg?v=1765175629&width=480)
![[Used] PT900 SAPPHIRE RING S1.05ct D0.34ct 4.8g #10](http://koufuku.jp/cdn/shop/files/2000000075457_2.jpg?v=1765175629&width=480)
![[Pre-owned] CARRERA Y CARRERA 18K Yellow Gold Diamond Ring, 10.0g, Size 11.5, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000015088_2.jpg?v=1765175629&width=480)
CARRERA Y CARRERA
[Pre-owned] CARRERA Y CARRERA 18K Yellow Gold Diamond Ring, 10.0g, Size 11.[...]
$2,244.00
![[Used] K18/PT950 PAPARACIA SAPPHIRE NECKLACE Paparadscha Sapphire Pendant Necklace 1.60ct D0.19ct with Japan Germany Gemological Institute certificate 3.9g](http://koufuku.jp/cdn/shop/files/2000000074689_3.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG Paraiba Tourmaline Pendant Necklace P0.23ct D0.89ct 6.5g](http://koufuku.jp/cdn/shop/files/2000000048741_2.jpg?v=1765175629&width=480)
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![[Pre-owned] K18WG Burma Unheated Ruby Ring R2.37ct D1.91ct GIA Certificate 7.2g #13](http://koufuku.jp/cdn/shop/files/2000000073477_3.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 Mozambican Ruby Ring, R3.63ct D0.77ct "Pigeon Blood" AIGS Appraisal, 7.1g, Size #14](http://koufuku.jp/cdn/shop/files/2000000022987_6.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG DIAMOND Necklace 0.61ct 6.1g](http://koufuku.jp/cdn/shop/files/2000000111810_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 EMERALD Ring E4.269ct D0.57ct with Appraisal Report, 7.5g, Size #13](http://koufuku.jp/cdn/shop/files/2000000027319_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900/PT850 RUBY Pendant Necklace R0.84ct D0.18ct 3.3g](http://koufuku.jp/cdn/shop/files/2000000074443_2.jpg?v=1765175628&width=480)
![[Pre-owned] K18WG Madagascar Unheated Ruby Ring R2.05ct D1.59ct GRS Certified 8.5g #13.5](http://koufuku.jp/cdn/shop/files/2000000042428_4.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG Ruby Pendant Necklace R0.51ct D0.10ct 3.0g](http://koufuku.jp/cdn/shop/files/2000000074368_2.jpg?v=1765175628&width=480)
![[Pre-owned] PT900 Emerald Ring E1.87ct D1.30ct 11.7g #11.5](http://koufuku.jp/cdn/shop/files/2000000075396_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 Cabochon Cut Emerald Ring, E6.04ct D0.30ct, 11.0g, Size 11](http://koufuku.jp/cdn/shop/files/2000000024554_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG Sapphire Ring S1.12ct D0.10ct 3.6g #11.5](http://koufuku.jp/cdn/shop/files/2000000117515_2.jpg?v=1765175628&width=480)
![[Pre-owned] K18YG Morganite Pendant Necklace M7.40ct D1.43ct 24.7g](http://koufuku.jp/cdn/shop/files/2000000117317_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT850 Emerald Ring E3.33ct D1.79ct 11.5g #7](http://koufuku.jp/cdn/shop/files/2000000073644_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG Garnet Orange & Green Garnet Pendant Necklace 2.40ct 1.05ct D0.63ct 7.7g](http://koufuku.jp/cdn/shop/files/2000000066332_2.jpg?v=1765175629&width=480)
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![[Pre-owned] K18WG Star Sapphire Pendant Necklace SS22.00ct 0.16ct 16.2g](http://koufuku.jp/cdn/shop/files/2000000043630_2.jpg?v=1765175628&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)
