Colombian Emerald 3.3mm/0.167ct Loose Stone with Appraisal
Sale price¥24,800
Columbia Emerald 3.3mm/0.158ct Loose Gemstone with Certificate
Sale price¥18,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.286ct Loose Stone
Sale price¥7,980
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Afghan Green Hauyne 3.6mm/0.135ct Loose with Certification
Sale price¥35,800
0.323ct loose pezzottaite from Madagascar
Sale price¥49,800
Brazilian Silky Alexandrite 0.265ct Loose Stone with Certification
Sale price¥45,800
Unheated Ruby, 0.207 ct, Loose Stone, Hōki Kyō
Sale price¥69,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥6,980
Tanzanian green sapphire 0.303ct loose stone
Sale price¥8,800
Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥55,800
Euclase from Zimbabwe 0.183ct Loose Stone with Certificate
Sale price¥35,800
Zimbabwe Euclase 3.4mm/0.206ct Loose Stone with Certificate
Sale price¥29,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥45,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥89,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥6,980
Morganite 0.379ct loose stone
Sale price¥7,980
Myanmar red spinel 3.3mm/0.172ct loose
Sale price¥8,800
Burmese Red Spinel 3.5mm/0.214ct Loose Stone
Sale price¥9,800
Loose 0.234ct Burmese Red Spinel
Sale price¥12,800
0.249ct Myanmar Red Spinel Loose Stone
Sale price¥12,800
0.080ct Loose Afghan Hauyne with Certificate
Sale price¥22,800
0.210 ct Colombian Trapiche Emerald Loose Stone
Sale price¥39,800
Madagascar bicolor sapphire 3.7mm/0.271ct loose
Sale price¥6,980
Brazilian Canary Yellow Chrysoberyl 0.672ct Loose
Sale price¥18,800
0.215ct Santa Maria Aquamarine from Brazil, Loose Stone with Certificate
Sale price¥15,800
Brazilian Santa Maria Aquamarine 0.183ct Loose Stone with Certification
Sale price¥12,800
[12550865] 0.203ct loose zoisite from Tanzania
Sale price¥5,980
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥9,800
Madagascar Padparadscha Sapphire 3.9mm/0.336ct Loose DGL Certified
Sale price¥45,800
Massive Grabovite from Myanmar 0.351ct Loose Stone GIA
Sale price¥128,000
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥14,800
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.