Showing 1790 products
![[Pre-owned] PT900 STAR SAPPHIRE RING SS7.92ct D0.57ct 8.8g #14](http://koufuku.jp/cdn/shop/files/2000000003917_2.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 STAR SAPPHIRE RING SS3.84ct D1.92ct CGL Sorting 9.9g #11.5 Hand Made](http://koufuku.jp/cdn/shop/files/2000000124896_3.jpg?v=1766801414&width=480)
![[Pre-owned] PT900 STAR SAPPHIRE Ring SS7.72ct D0.09ct 6.8g #10.5](http://koufuku.jp/cdn/shop/files/2000000068503_2.jpg?v=1752392549&width=480)
![[Pre-owned] PT900 Star Sapphire Ring 12.85ct D0.50ct 14.1g #12](http://koufuku.jp/cdn/shop/files/2000000087498_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 Star Sapphire Ring SS5.03ct D0.57ct 8.8g #14.5](http://koufuku.jp/cdn/shop/files/2000000089102_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 Tahiti Pearl Ring 10.2mm D0.04ct 5.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000008349_2.jpg?v=1746161717&width=480)
![[Pre-owned] PT900 Tahiti Pearl Ring 10.7mm D0.23ct 6.8g #8](http://koufuku.jp/cdn/shop/files/2000000026343_2.jpg?v=1746161613&width=480)
![[Pre-owned] PT900 Tahiti Pearl Ring 11.2mm 5.9g #10, with appraisal report](http://koufuku.jp/cdn/shop/files/2000000033556_3.jpg?v=1746161823&width=480)
![[Pre-owned] PT900 Tanzanite Ring T24.61ct D0.66ct 15.0g #13](http://koufuku.jp/cdn/shop/files/2000000020037_2.jpg?v=1762391162&width=480)
![[Pre-owned] PT900 Imperial Topaz Ring T0.77ct D0.60ct 6.2g #14](http://koufuku.jp/cdn/shop/files/2000000003665_2.jpg?v=1749884385&width=480)
![[Pre-owned] PT900 Imperial Topaz Ring T1.57ct D0.19ct with CGL Sorting, 6.8g, Size 17](http://koufuku.jp/cdn/shop/files/2000000007878_3.jpg?v=1765877331&width=480)
![[Pre-owned] PT900 Blue Topaz Ring T6.56ct D0.84ct 11.2g #13](http://koufuku.jp/cdn/shop/files/2000000069418_3.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 Green Tourmaline Ring, 8.98ct, 0.83ct Diamond, 15.4g](http://koufuku.jp/cdn/shop/files/2000000013893_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 TOURMALINE RING Red Tourmaline (Rubellite) Ring 2.77ct D0.48ct with Sorting, 6.3g, #9](http://koufuku.jp/cdn/shop/files/2000000088983_3.jpg?v=1768808621&width=480)
![[Pre-owned] PT900 TOURMALINE Green Tourmaline Ring T3.20ct D0.20ct 9.4g #14.5](http://koufuku.jp/cdn/shop/files/2000000106304_2.jpg?v=1762391176&width=480)
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![[Pre-owned] PT900 Green Tourmaline Ring, T1.21ct, D0.75ct, 6.9g, Size 8](http://koufuku.jp/cdn/shop/files/2000000018218_2.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 Green Tourmaline Ring GT5.72ct D0.23ct 8.5g #15.5](http://koufuku.jp/cdn/shop/files/2000000011219_2.jpg?v=1765877448&width=480)
![[Pre-owned] PT900 TOURMALINE Ring T7.24ct D0.22ct 10.1g #12](http://koufuku.jp/cdn/shop/files/2000000113920_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 Red Tourmaline (Rubellite) Ring 1.64ct, D0.52ct, with GRJ Sorting, 12.4g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000049632_3.jpg?v=1765877430&width=480)
![[Pre-owned] PT900 WHITE OPAL Ring OP4.30ct D0.59ct 11.9g #11](http://koufuku.jp/cdn/shop/files/2000000011325_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 White Opal Ring OP0.80ct D0.30ct 5.9g #10](http://koufuku.jp/cdn/shop/files/2000000071749_2.jpg?v=1768800609&width=480)
![[Pre-owned] Pt900 Aquamarine Ring A2.20ct D0.40ct 10.0g #12 with CGL Sorting](http://koufuku.jp/cdn/shop/files/2000000054551_8.jpg?v=1742268292&width=480)
![[Pre-owned] PT900 Alexandrite Ring A0.22ct D0.50ct with CGL Sorting, 6.7g, Size 12](http://koufuku.jp/cdn/shop/files/2000000068572_2.jpg?v=1745901847&width=480)
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![[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)