![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
![[On sale November 3rd at 10pm] [Limited to 14 stones] One loose Russian oil-free emerald (2.1mm, square cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010751_b01a2802-d699-455c-a4e7-3df36f637eb8.jpg?v=1762075075&width=4000)
Amazon green opal 1.120ct loose
Sale price¥3,980
【11/24 22時販売】《限定12石》VS相当蛍光ダイヤモンドガチャ・ミニスライスダイヤモンドのおまけ付《複数購入割引有》
Sale price¥6,980
【11/24 22時販売】《限定7石》スリランカ産スターサファイア1石ルース《複数購入割引有》
Sale price¥3,980
[On Sale 11/23 10pm] Madagascar Hot Pink Sapphire 1.120ct Loose GIA
Sale price¥158,000
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Unheated Ruby from Myanmar 0.433ct Ruth Japanese-German Edition
Sale price¥55,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
Trapichel ruby from Myanmar 0.202ct rough stone
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.152ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.099ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.144ct loose
Sale price¥15,800
![[12561382] Tanzanian Bicolor Sapphire 0.380ct Loose](http://store.karatz.jp/cdn/shop/files/PB141680_71d0b582-e9b4-4028-884f-654342e0d463.jpg?v=1763981336&width=2659)
[12561382] Tanzanian Bicolor Sapphire 0.380ct Loose
Sale price¥18,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Sapphire from Madagascar 4.5mm/0.414ct loose
Sale price¥12,800
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.072ct loose
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.095ct loose
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.113ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.196ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥9,800
Wood opal 24.319ct loose
Sale price¥45,800
[12544901 published] Bicolor sapphire 1.000ct loose
Sale price¥15,800
[12544897 published] Bicolor sapphire 1.341ct loose
Sale price¥29,800
[12544896 published] Sapphire 0.566ct loose
Sale price¥25,800
[12544888 published] Bicolor sapphire 0.704ct loose
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.188ct loose
Sale price¥12,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
[11/10 22:00 Sale] Silky Pink Sapphire from Madagascar 1.050ct Loose GIT
Sale price¥128,000
Colombian oil-free emerald 0.290ct loose GIA
Sale price¥188,000
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
[11/9 22:00 Sale] [Cat Cut] Thai Sapphire 5.255ct Loose
Sale price¥15,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
[On Sale 11/3 at 10pm] Myanmar Bicolor Star Sapphire 0.640ct Loose
Sale price¥45,800
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.