【5/30 22時販売】アフガニスタン産ハックマナイト 0.171ctルース
Sale price¥29,800
【6/2 22時販売】ダイヤモンド 3.7mm/0.184ctルース(D, VS-1, VeryGood)
Sale price¥33,800
【6/1 22時販売】ダイヤモンド 3.1mm/0.117ctルース(D, VVS-2, VeryGood)
Sale price¥23,800
【6/2 22時販売】ダイヤモンド 3.7mm/0.197ctルース(H, VS-1, Good)
Sale price¥29,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥16,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥8,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥15,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥15,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥14,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥12,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥25,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.061ct loose
Sale price¥25,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥12,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥18,800
Benitoite 0.338ct loose stone
Sale price¥258,000
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥8,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Pink tourmaline 0.845ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.056ct Loose Stone (CuO:2.1%, MnO:2.2%)
Sale price¥39,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)
Sale price¥47,800
Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO:1.7%, MnO:2.4%)
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)
Sale price¥49,800
Loose Paraiba Tourmaline from Brazil, 0.059ct (CuO: 1.4%, MnO: 2.7%)
Sale price¥45,800
【5/28 22時販売】ブラジル産パライバトルマリン 0.211ctルース（CuO:0.6%,MnO:3.1%）
Sale price¥39,800
【5/28 22時販売】ブラジル産パライバトルマリン 0.205ctルース（CuO:0.8%、MnO:3.1%）
Sale price¥39,800
【5/28 22時販売】ブラジル産パライバトルマリン 0.265ctルース（CuO:0.7%、MnO:3.0%）
Sale price¥29,800
【5/28 22時販売】ブラジル産パライバトルマリン 3.1mm/0.151ctルース（CuO:1.1%、MnO:3.8%）
Sale price¥29,800
【5/28 22時販売】ブラジル産パライバトルマリン 0.239ctルース（CuO:0.8%、MnO:3.7%）
Sale price¥45,800
【5/30 22時販売】南アフリカ産スギライト 0.786ctルース
Sale price¥12,800
【5/30 22時販売】合成ルチル 6.2mm/1.594ctルース
Sale price¥15,800
【5/31 22時販売】ブラジル産マーカサイトインクォーツ 6.670ctルース
Sale price¥25,800
【5/30 22時販売】モンゴル産アンデシン 0.464ctルース
Sale price¥9,800
【5/30 22時販売】マラウイ産ムーンストーン（マラウイムーンストーン） 1.475ctルース
Sale price¥9,800
【5/30 22時販売】マラウイ産ムーンストーン（マラウイムーンストーン） 0.639ctルース
Sale price¥5,980
【5/31 22時販売】マラウイ産ブルージルコン（マラウイジルコン） 1.833ctルース
Sale price¥98,000
【5/31 22時販売】マラウイ産バイカラージルコン（マラウイジルコン） 0.985ctルース
Sale price¥39,800
【5/30 22時販売】マラウイ産ムーンストーン（マラウイムーンストーン） 2.601ctルース
Sale price¥5,980
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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.