Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Grandidierite from Madagascar 0.264ct loose stone
Sale price¥88,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Indian moss agate 1.065ct loose gemstone
Sale price¥12,800
Tanzanian Mint Garnet 1.276ct Loose Stone
Sale price¥69,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%)
Sale price¥39,800
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥45,800
Paraiba Tourmaline from Brazil, 0.034ct Loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥29,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Green Fluorite 38.074ct Loose
Sale price¥158,000
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Emerald 0.308ct loose stone
Sale price¥14,800
Brazilian Alexandrite 0.069ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.072ct loose stone (princess cut)
Sale price¥18,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
【7/25 22時販売】コロンビア・コスケス鉱山トラピッチェエメラルド 0.177ctルース 鑑別書
Sale price¥29,800
【7/25 22時販売】コロンビア・コスケス鉱山トラピッチェエメラルド 0.144ctルース 鑑別書
Sale price¥22,800
【7/25 22時販売】コロンビア・コスケス鉱山トラピッチェエメラルド 0.138ctルース 鑑別書
Sale price¥19,800
[12563386 posted] Brazilian Dioptase 0.487ct Loose Stone
Sale price¥12,800
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct 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.