Indian Cavansite 1.171ct loose stone
Sale price¥9,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Brazilian Lepidocrocite in Quartz 1.352ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Mexican Danburite 7.0mm/1.224ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
Tanzania Zoisite 1.000ct Loose Stone
Sale price¥19,800
Kunzite from Afghanistan 0.799ct loose stone
Sale price¥6,980
Goshenite 0.852ct loose stone
Sale price¥8,800
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Indian moss agate 1.065ct loose gemstone
Sale price¥12,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Tanzania Color Change Garnet 0.789ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 1.509ct Loose Stone
Sale price¥22,800
Brazilian Dumortierite in Quartz 2.714ct loose stone
Sale price¥24,800
Brazilian bicolor tourmaline 1.248ct loose stone
Sale price¥18,800
Brazilian Trapiche Amethyst 10.855ct loose stone
Sale price¥6,980
Tibetan bicolor andesine 0.755ct loose stone
Sale price¥8,800
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Pakistani Oil in Quartz 0.283ct Loose Stone
Sale price¥7,980
#202510 Campaign Shortage Bicolor Tourmaline 3.468ct Loose
Sale price¥6,980
Pakistani Aragonite 2.879ct loose stone
Sale price¥8,800
Pakistani Aragonite 3.086ct loose stone
Sale price¥9,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥25,000
Additional charge: K18WG (base metal) + 15,000 yen
Sale price¥35,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥35,000
Additional charge: K18PG (base metal) + 15,000 yen
Sale price¥35,000
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥40,000
Brazilian Rubellite Cat's Eye 1.180ct Loose Stone
Sale price¥29,800
Zimbabwean Apatite (UV type) 1.393ct loose stone
Sale price¥29,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥39,800
Pakistani Veirinite 0.107ct 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.