Gems, Jewelry and Precious Metals
Showing 1386 products
KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.
![[Pre-owned] PT900 SAPPHIRE RING, Sri Lankan sapphire ring, S5.398ct, D0.65ct, GRS certificate, 12.1g, #11](http://koufuku.jp/cdn/shop/files/2000000011936_4.jpg?v=1768444713&width=480)
![[Pre-owned] 18K Yellow Gold Akoya Pearl Brooch, P4.0-6.5mm, D0.02ct, 23.7g](http://koufuku.jp/cdn/shop/files/2000000105154_2.jpg?v=1768444713&width=480)
![[Used] PT900 RUBY RING Ruby ring R4.967ct D1.39ct CGL differentiation book 10.4g #9](http://koufuku.jp/cdn/shop/files/2000000011554_3.jpg?v=1768444713&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, S2.12ct, D1.92ct, CGL Sorting, 11.6g, #11.5](http://koufuku.jp/cdn/shop/files/2000000008813_3.jpg?v=1768444714&width=480)
![[Pre-owned] K18YG/PT900 AKOYA PEARL BROACH Akoya pearl pendant brooch, P7.8-8.3mm, D0.22, 29.2g](http://koufuku.jp/cdn/shop/files/2000000041162_2.jpg?v=1768444828&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, 0.52ct R, 0.23ct D, 2.7g, #8](http://koufuku.jp/cdn/shop/files/2000000090245_2.jpg?v=1768444828&width=480)
![[Pre-owned] MIKIMOTO 18K Yellow Gold Akoya Pearl Brooch, 3.3-4.1mm, 6.8g, One Price](http://koufuku.jp/cdn/shop/files/2000000010663_2.jpg?v=1768444828&width=480)
![[Pre-owned] PT900/K18YG RUBY RING Ruby Ring R1.16ct D1.64ct 8.0g #8](http://koufuku.jp/cdn/shop/files/2000000043456_2.jpg?v=1768444828&width=480)
![[Used] PT900 SAPPHIRE RING Sri Lankan Sapphire Ring S7.75ct D1.63ct GIA Certificate 12.5g #9](http://koufuku.jp/cdn/shop/files/2000000020006_3.jpg?v=1768444829&width=480)
![[Pre-owned] MIKIMOTO K18YG AKOYA PEARL BROACH, 7.2mm, 2.9g, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000010885_2.jpg?v=1768444838&width=480)
![[Used] PT900 SAPPHIRE RING, S1.27ct, D0.41ct, CGL Sorting, 6.6g, #11](http://koufuku.jp/cdn/shop/files/2000000090474_3.jpg?v=1768444838&width=480)
![[Pre-owned] TASAKI K18WG MABE PEARL PENDANT Mabe pearl pendant top P13.0mm D 0.10ct 5.6g One Price](http://koufuku.jp/cdn/shop/files/2000000020273_2.jpg?v=1768444839&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)
