Round Cut
Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
Synthetic rutile 5.1mm/0.877ct loose stone
Sale price¥12,800
Synthetic Rutile 0.554ct Loose
Sale price¥8,800
Mozambique Almandine Garnet 6.7mm/1.228ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 4.8nmm/0.545ct Loose Stone
Sale price¥8,800
0.521ct Loose Brazilian London Blue Topaz
Sale price¥6,980
Sri Lankan Hessonite Garnet Loose Stone, 6.5mm/1.353ct
Sale price¥12,800
German Auyinite 3.5mm/0.131ct Loose Stone
Sale price¥29,800
German Hauyne 2.2mm/0.035ct Loose Stone
Sale price¥18,800
Tanzanian Tanzanite, 5.0mm/0.558ct Loose Stone
Sale price¥15,800
Colombian mint-color emerald, 5.1mm/0.517ct loose stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
![[Sakura Incut] Sphene from Madagascar 6.0mm/0.865ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC251416.jpg?v=1767749854&width=4000)
[Sakura Incut] Sphene from Madagascar 6.0mm/0.865ct Loose Stone
Sale price¥49,800
American oil-free red beryl 2.6mm/0.050ct loose GIA
Sale price¥79,800
Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2)
Sale price¥29,800
Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS
Sale price¥128,000
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sale price¥12,800
Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
Tanzanian Tanzanite 4.3mm/0.311ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 9.2mm/4.174ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 9.3mm/4.393ct Loose Stone
Sale price¥29,800
Cambodian blue zircon, 7.0mm/1.962ct loose
Sale price¥39,800
Tanzanian Zoisite 5.5mm/0.689ct Loose
Sale price¥18,800
Pigeon Blood Ruby 0.490ct Loose
Sale price¥128,000
Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
Zimbabwean sphene 7.0mm/1.661ct loose stone
Sale price¥59,800
Blue Sapphire 5.0mm/0.552ct Loose Stone
Sale price¥18,800
Cassiterite 4.0mm/0.571ct Loose Stone with Certificate of Authenticity
Sale price¥14,800
Brazilian Santa Maria Aquamarine 0.524ct Loose Stone
Sale price¥55,800
Oregon Sunstone from the United States, 5.0mm/0.520ct loose stone
Sale price¥15,800
Myanmar color change zircon 0.697ct loose stone
Sale price¥39,800
Myanmar Color Change Zircon 5.3mm/1.043ct Loose Stone
Sale price¥69,800
Colombian emerald 3.3mm/0.131ct loose stone
Sale price¥25,800
German Hauyne 2.7mm/0.076ct Loose Stone
Sale price¥29,800
Russian Demantoid Garnet (Horsetail) 4.2mm/0.325ct Loose Stone
Sale price¥59,800
American Peridot 5.1mm/0.573ct Loose Stone
Sale price¥9,800
![[Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/PC240687_17092de1-0b80-4a3c-84f4-3be10962a6ea.jpg?v=1768701027&width=3302)
![[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240615_8941520b-68ce-408a-ac57-bc605f73788e.jpg?v=1767355120&width=3231)
[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone
Sale price¥49,800
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.