Custom Cut
【11/2 22時販売】タンザニア産アルマンディンガーネット 2.108ctルース
Sale price¥12,800
Emerald 0.484ct loose
Sale price¥7,980
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥8,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥8,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥79,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥12,800
Indian Moss Agate 0.755ct Loose Stone
Sale price¥6,980
【10/31 22時販売】ブラジル産アメジスト 4.352ctルース
Sale price¥29,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥8,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥14,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥8,800
【10/28 22時販売】クォーツァイト 2.619ctルース
Sale price¥14,800
【10/28 22時販売】クォーツァイト 0.741ctルース
Sale price¥7,980
【11/6 22時販売】ブラジル産カラーシフトアメジスト 1.895ctルース
Sale price¥13,800
【11/7 22時販売】ブラジル産カラーシフトアメジスト 2.103ctルース
Sale price¥15,800
Zambian Emerald 0.188ct Loose Stone
Sale price¥9,800
[Item 12564248] Madagascar Sapphire 0.385ct Loose Stone
Sale price¥18,800
[Available 10/10 at 10 PM] Brazilian Yellow Beryl 0.952ct Loose Gemstone
Sale price¥14,800
[10/10 10:00 PM Release] Turkish Diopside 0.450ct Loose Stone
Sale price¥9,800
[On sale Oct 15, 10 PM] Sri Lankan Moonstone 0.922ct Loose Gemstone
Sale price¥12,800
[On sale 10/12 at 22:00] Sri Lankan Uva Moonstone 0.740ct Loose Stone
Sale price¥14,800
[Available 10/4, 10 PM] Brazilian Amethyst 4.850ct Loose Gemstone
Sale price¥12,800
[Available 10/4, 10 PM] Synthetic Ruby 1.803ct Loose Gemstone
Sale price¥18,800
[On sale 10/7, 10 PM] Indian Black Moonstone 0.568ct Loose Gemstone
Sale price¥8,800
[Available 10/7, 10 PM] Indian Moonstone 3.445ct Loose Stone
Sale price¥16,800
[On sale 9/30 at 10 PM] Bolivian Ametrine 4.815ct Loose Stone
Sale price¥12,800
[10/2 10 PM Sale] Bolivian Ametrine 4.234ct Loose Stone
Sale price¥18,800
[Available 9/26 at 10 PM] Malawi Moonstone Loose Gemstone, 2.229ct
Sale price¥9,800
【Available 9/22, 10:00 PM】 Colombian Emerald 0.078ct Loose Gemstone
Sale price¥18,800
[On sale 9/21 at 22:00] Sri Lankan Green Zircon 0.403ct Loose Stone
Sale price¥5,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥7,980
Afghan Kunzite 0.799ct Loose Gemstone
Sale price¥6,980
Tanzanian Zoisite 1.000ct Loose Stone
Sale price¥18,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥11,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥15,800
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.
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.