Tanzanian Violet Spinel 0.541ct Loose Stone
Sale price¥9,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Sri Lankan blue sapphire, 4.3mm/0.371ct, loose
Sale price¥12,800
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose
Sale price¥168,000
Myanmar Musgravite 0.214ct Loose Stone Nikko Kan
Sale price¥258,000
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Nigerian Cobalt Garnite 0.216ct Loose Stone, Japan-Germany Exchange
Sale price¥45,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Russian Demantoid Garnet (Horsetail certified) 4.6mm/0.464ct loose stone
Sale price¥128,000
Myanmar color change zircon 0.720ct loose stone
Sale price¥69,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
0.827ct Loose Brazilian Swiss Blue Topaz
Sale price¥8,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Sphene from Madagascar 0.556ct Loose Stone
Sale price¥9,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Triphylite (Color Change Type) 0.467ct Loose Stone with Certificate
Sale price¥49,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Tanzanian Rhodolite Garnet 0.336ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 4.5mm/0.394ct Loose Stone
Sale price¥6,980
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
Morganite 1.135ct loose
Sale price¥5,980
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
Pakistani Veirinite 0.251ct Loose Stone with Certificate of Authenticity
Sale price¥55,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Myanmar Red Spinel 0.174ct Loose Stone
Sale price¥8,800
Grandidierite from Madagascar 0.169ct loose stone
Sale price¥15,800
Indian Moonstone 6.2mm/0.775ct Loose Stone
Sale price¥7,980
Indian Moonstone 6.2mm/0.810ct Loose
Sale price¥8,800
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.