Showing 1288 products
![[Used] PT900 SAPPHIRE Ring, S3.115ct, D0.39ct, Nihon Hokkyo, 7.4g, #7](http://koufuku.jp/cdn/shop/files/2000000024325_3.jpg?v=1759990497&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring from Madagascar 0.97 GRS 7.6g](http://koufuku.jp/cdn/shop/files/2000000018508_3.jpg?v=1759990497&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring, S1.118ct, D0.41ct, Nihon Hokyo, 6.0g, #17](http://koufuku.jp/cdn/shop/files/2000000024363_3.jpg?v=1759988718&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring, S2.823ct, D0.33ct, Sorting, 7.1g, #16](http://koufuku.jp/cdn/shop/files/2000000024349_3.jpg?v=1765877332&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring, S4.18ct, D0.60ct, Sorting, 6.2g, #13](http://koufuku.jp/cdn/shop/files/2000000019468_3.jpg?v=1763175991&width=480)
![[Used] PT900 SAPPHIRE non-heated sapphire ring S6.896ct D0.21ct Central Gem Research Institute identification book 7.3g #11](http://koufuku.jp/cdn/shop/files/2000000068367_3.jpg?v=1752392530&width=480)
![[Used] PT900 SEA PEARL White Butterfly Pearl Ring, 10.8mm, D0.18ct, 6.9g, #13](http://koufuku.jp/cdn/shop/files/2000000010106_2.jpg?v=1765877457&width=480)
![[Used] PT900 SOUTH SEA PEARL RING White South Sea Pearl Ring P11.8mm D0.26ct 13.7g #14](http://koufuku.jp/cdn/shop/files/2000000133126_2.jpg?v=1771313065&width=480)
![[Used] PT900 SOUTHSEAPEARL South Sea White Pearl Ring 14.5mm D0.12ct 17.5g #11 Central Gem Laboratory Sorting](http://koufuku.jp/cdn/shop/files/2000000015767_3.jpg?v=1746182933&width=480)
![[Used] PT900 SPINEL Red Spinel Ring RS2.75ct D0.63ct Central Gem Laboratory Identification 7.7g #12](http://koufuku.jp/cdn/shop/files/2000000069876_3.jpg?v=1746249870&width=480)
![[Used] PT900 SPINEL Ring S4.46ct D0.31ct 8.9g #17.5](http://koufuku.jp/cdn/shop/files/2000000016474_2.jpg?v=1766801414&width=480)
![[Used] PT900 SPODUMENE Kunzite Ring 4.36ct D0.51ct 11.7g #14](http://koufuku.jp/cdn/shop/files/2000000106137_2.jpg?v=1766219023&width=480)
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![[Used] PT900 Star SAPPHIRE RING Star Sapphire Ring SS10.145ct D3.84ct 24.1g #12](http://koufuku.jp/cdn/shop/files/2000000098821_2.jpg?v=1768808719&width=480)
![[Pre-owned] PT900 Star Sapphire Ring, 7.92ct Stone, 0.57ct Stone, 8.8g, #14](http://koufuku.jp/cdn/shop/files/2000000003917_2.jpg?v=1768800609&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)
