![[On sale 6/6 at 10 PM] Limited to 6 Stones: Needle-Inclusion Blue Topaz Loose Stone (Avg. 16ct) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/38.png?v=1780477251&width=1890)
![[On sale June 8th, 10 PM JST] 《Limited to 4 stones》Needle-in-Blue Topaz Gacha💎Average 45ct《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/39.png?v=1780478004&width=2268)
Sky blue topaz 1.719ct loose stone
Sale price¥8,800
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥18,800
[On sale June 14th at 10 PM] Australian Black Opal 1.080ct Loose Stone
Sale price¥39,800
[Sale on 6/8 at 10 PM] Pt900 Benitoite 0.152ct / Diamond 0.58ct Ring
Sale price¥188,000
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
Sky blue topaz 1.051ct loose stone
Sale price¥8,800
American red beryl 0.143ct loose
Sale price¥35,800
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥5,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
[On sale June 8th, 10 PM] Bi-Color Sapphire 1.040 ct Loose Gemstone GIT
Sale price¥29,800
Loose Paraiba Tourmaline from Brazil, 0.059ct (CuO: 1.4%, MnO: 2.7%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)
Sale price¥49,800
0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%)
Sale price¥45,800
Paraiba Tourmaline from Brazil, 0.063 ct, loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥55,800
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.055ct Loose (CuO:1.9%, MnO:2.2%)
Sale price¥45,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)
Sale price¥47,800
Brazilian Paraiba Tourmaline 0.056ct Loose Stone (CuO:2.1%, MnO:2.2%)
Sale price¥39,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥8,800
Paraiba tourmaline from Brazil 0.061ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥12,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
[On sale May 30th at 10 PM] Afghan Hackmanite, 0.093ct loose stone
Sale price¥16,800
[On sale May 31, 10 PM] Afghan Hackmanite 0.205ct Loose Stone
Sale price¥36,800
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.