Cushion cut
Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone
Sale price¥8,800
Nigerian Cobalt Garnet 0.095ct Loose with Certificate
Sale price¥18,800
Brazilian Dumortierite in Quartz 0.849ct Loose Gemstone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.690ct Loose Stone (Faceted Cut)
Sale price¥6,980
Brazilian Dumortierite in Quartz 3.009ct Loose Stone
Sale price¥29,800
Zambian bicolor tourmaline 4.142ct loose stone
Sale price¥98,000
0.343 ct Tanzanite Loose Gemstone from Tanzania
Sale price¥8,800
U.S. Oregon Sunstone 1.590ct Loose Stone
Sale price¥15,800
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Green sapphire 0.607ct loose stone
Sale price¥12,800
Tanzanian Almandine Garnet 0.885ct Loose Stone
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 1.189ct loose stone
Sale price¥12,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Brazilian Aquamarine 0.463ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.643ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.511ct Loose Stone
Sale price¥6,980
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Myanmar color change zircon 0.720ct loose stone
Sale price¥69,800
Myanmar bicolor podoretite 1.960ct loose stone
Sale price¥1,000,000
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Brazilian Pink Tourmaline 1.799ct Loose Stone
Sale price¥35,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
【11/16(月)AM10時〆：抽選販売_11】インド産アイオライトサンストーン 23mm/33.617ctルース
Sale price¥168,000
【11/16(月)AM10時〆：抽選販売_13】タンザニア産ピンクスピネル 3.043ctルース
Sale price¥128,000
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.