Tanzanite from Tanzania 0.567ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 1.295ct loose stone
Sale price¥29,800
Tanzanite from Tanzania 0.789ct loose stone
Sale price¥18,800
Tanzanite from Tanzania 2.011ct loose stone
Sale price¥65,800
Madagascar sphene 6.506ct loose stone
Sale price¥98,000
Madagascar sphene 4.161ct loose stone
Sale price¥69,800
Madagascar sphene 2.791ct loose stone
Sale price¥98,000
Brazilian Green Tourmaline 0.757ct Loose Stone
Sale price¥39,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Tanzanite from Tanzania 6.006ct loose stone
Sale price¥228,000
Cobalt spinel from Tanzania 0.284ct loose Japanese and German
Sale price¥49,800
[Camellia Cut] Brazilian Ametrine 4.293ct [Collaboration] Loose Patch
Sale price¥49,800
Oregon Sunstone from the United States 1.625ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 0.976ct loose stone
Sale price¥12,800
Peruvian Blue Opal 2.530ct Loose
Sale price¥19,800
Pink spinel 3.8mm/0.276ct loose stone
Sale price¥6,980
Vietnam unheated silky pink sapphire 0.421ct loose stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥49,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
American oil-free red beryl 0.050ct loose GIA
Sale price¥98,000
![Limited to 21 stones [Kitty Gacha] Cat cut, blue opal, jade, chalcedony, etc. (One in four people will also receive a paw set) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_193d636b-0037-40d0-a80f-7b4eaddba492.png?v=1725616266&width=2000)
![Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010641_f4c7d555-3bb5-449a-8005-44d9c3c16e9b.jpg?v=1725593703&width=4000)
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
![[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_1412bfb7-67e6-494f-b7d0-5487fee1572b.png?v=1725539635&width=2000)
![[Limited to 9 stones] Beautiful pear-shaped Oregon sunstone with schiller from the United States 💎 Average 0.36ct [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_b6202d96-d01c-4b13-b47d-f9dc7347383c.png?v=1725600748&width=2000)
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
《Yurakucho Marui 2024112 takeout》K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.
