Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Purple Zoisite 2.617ct rough stone
Sale price¥9,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥7,980
Bicolor Tanzanite 5.582ct rough stone
Sale price¥18,800
Oregon Sunstone 0.551ct loose
Sale price¥8,800
![[On Sale April 14, 10 PM JST] Afghanite from Afghanistan 0.447ct Loose Stone with Japan-Germany Gemstone Appraisal](http://store.karatz.jp/cdn/shop/files/collage_dec02a99-4cc3-4bc1-a365-b43e3e982ca0.png?v=1776043749&width=2250)
[Sales start 4/5 10 PM] Madagascar Apatite 19.863ct Loose Gemstone
Sale price¥128,000
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥22,800
[12551250] Brazilian oil-free emerald 0.120ct loose stone
Sale price¥110,000
Johachidolite from Myanmar 0.332ct loose
Sale price¥29,800
Bicolor star sapphire from Myanmar 0.920ct loose
Sale price¥39,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Color change Andesine 1.67ct loose
Sale price¥25,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Kunzite from Afghanistan 21.5mm/39.372ct loose stone
Sale price¥98,000
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mongolian color change andesine 0.749ct loose stone
Sale price¥12,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥19,800
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Kenyan gold sheen sapphire 2.3mm/0.079ct loose
Sale price¥6,980
Kenyan Gold Sheen Sapphire 2.2mm/0.080ct Loose
Sale price¥8,800
Kenyan gold sheen sapphire 2.4mm/0.086ct loose
Sale price¥9,800
Kenyan Gold Sheen Sapphire 2.4mm/0.092ct Loose Stone
Sale price¥8,800
Tanzanian bicolor tanzanite 4.804ct rough stone
Sale price¥18,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Mexican Danburite 7.0mm/1.224ct loose stone
Sale price¥9,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥8,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
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.