Gems, Jewelry, and Precious Metals
Showing 1929 products
![[Pre-owned] K18/PT900 RUBY RING R0.55ct D0.15ct with Appraisal Report 8.1g #11](http://koufuku.jp/cdn/shop/files/2000000120645_3.jpg?v=1768185641&width=480)
![[Pre-owned] GUCCI SV Interlocking G Ring 6.9g #12.5 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000122021_2.jpg?v=1768185641&width=480)
![[Pre-owned] K18YG RUBY RING R0.80ct D0.18ct 4.1g](http://koufuku.jp/cdn/shop/files/2000000115566_2.jpg?v=1768185890&width=480)
![[Pre-owned] PT950 SAPPHIRE RING Burmese Unheated Sapphire Ring S1.23ct D0.86ct GIA Certificate 4.4g #13](http://koufuku.jp/cdn/shop/files/2000000010731_3.jpg?v=1768185890&width=480)
![[Pre-owned] MONNICKENDAM Ring K18YG DIAMOND 0.82ct 5.8g ONE PRICE #17](http://koufuku.jp/cdn/shop/files/2000000009346_2.jpg?v=1768185890&width=480)
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![[Pre-owned] CARTIER K18YG/WG/PG Necklace, Baby Trinity Pampilles, Includes Repair Statement, 17.3g, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000119984_6.jpg?v=1768197670&width=480)
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![[Pre-owned] K14YG Emerald Bracelet 17.5cm 8.8g](http://koufuku.jp/cdn/shop/files/2000000099682_3.jpg?v=1769651431&width=480)
![[Pre-owned] PT900 DIAMOND Bracelet D8.83ct 76.6g 19.5cm](http://koufuku.jp/cdn/shop/files/2000000016689_2.jpg?v=1768197669&width=480)
![[Pre-owned] PT900 PINK SAPPHIRE RING Heart-shaped cut pink sapphire ring PS1.90ct D0.84ct 6.6g #11](http://koufuku.jp/cdn/shop/files/2000000088952_2.jpg?v=1768197669&width=480)
![[Pre-owned] K18YG Ruby Ring R0.354ct D1.08ct 5.0g #10](http://koufuku.jp/cdn/shop/files/2000000121871_2.jpg?v=1768197670&width=480)
![[Pre-owned] K18WG PEARL Necklace P9.5mm D 2.5g](http://koufuku.jp/cdn/shop/files/2000000080291_2.jpg?v=1768197669&width=480)
![[Pre-owned] PT950 SAPPHIRE RING, Sri Lankan Unheated Sapphire Ring, S4.25ct D1.63ct, GIA Report included, 6.0g, Size 11.5](http://koufuku.jp/cdn/shop/files/2000000000749_4.jpg?v=1768197670&width=480)
![[Pre-owned] K18WG Pink Sapphire Bracelet, PS18.10ct, D1.84ct, 26.8g, 16.5cm](http://koufuku.jp/cdn/shop/files/2000000073958_2.jpg?v=1768197670&width=480)
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![[Pre-owned] CHAUMET K18YG/WG Diamond Pendant with Pearl & Hematite Choker 7.7-8.0mm 32cm 56.1g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000016917_2.jpg?v=1768197670&width=480)
![[Pre-owned] K18WG JADEITE RING 2.341ct D0.43ct 3.4g #13](http://koufuku.jp/cdn/shop/files/2000000040820_2.jpg?v=1768197669&width=480)
![[Pre-owned] MIKIMOTO K18YG Baby Pearl RING 3.6mm diameter 1.8g #9 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000044903_2.jpg?v=1768197669&width=480)
![[Pre-owned] MASRIERA K18YG Cloisonné Enamel Bracelet 31.7g 18.5cm ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000027913_2.jpg?v=1768197669&width=480)
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![[Pre-owned] PT1000 Pure Platinum Ring 6.9g #22](http://koufuku.jp/cdn/shop/files/2000000012797_3.jpg?v=1770275433&width=480)
![[Pre-owned] PT900 DIAMOND RING 1.005ct F-Color SI2-Class Good Cut 4.5g #11](http://koufuku.jp/cdn/shop/files/2000000018188_2.jpg?v=1768197671&width=480)
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![[Pre-owned] K18WG Sapphire Ring S6.93ct D0.39ct 7.3g #9](http://koufuku.jp/cdn/shop/files/2000000002941_2.jpg?v=1768197670&width=480)
![[Photo Updated] (Pre-owned) K18WG Black Opal Ring, BO5.80ct D0.59ct, 9.4g, Size 15](http://koufuku.jp/cdn/shop/files/2000000057842_2.jpg?v=1768197671&width=480)
![[Pre-owned] PT900 MEXICO OPAL RING MO5.71ct D0.31ct 8.2g #10](http://koufuku.jp/cdn/shop/files/2000000072036_2.jpg?v=1768197670&width=480)
![[Pre-owned] TASAKI K18WG PEARL RING 4.0 - 10.0mm 7.7g #11 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000013367_2.jpg?v=1768197670&width=480)
![[Pre-owned] PT900 Keshi Pearl 18-strand Necklace D0.07ct 60.0g](http://koufuku.jp/cdn/shop/files/2000000016627_2.jpg?v=1768197670&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] 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)