Emerald Cut
Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose
Sale price¥22,800
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Green Spodumene 6.419ct loose stone
Sale price¥15,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥6,980
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Loose White Diamond 0.108ct (FANCY WHITE, I-1)
Sale price¥55,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥15,800
[12551250] Brazilian oil-free emerald 0.120ct loose stone
Sale price¥110,000
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥12,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Brazilian Dumortierite in Quartz 0.910ct Loose Stone
Sale price¥9,800
Brazilian dumortierite in quartz, 0.813 ct, loose
Sale price¥9,800
Brazilian dumortierite in quartz, 0.796 ct, loose
Sale price¥7,980
Brazilian Dendritic Quartz 4.182ct Loose Stone
Sale price¥12,800
Madagascar Blue Sapphire 0.347ct Loose Stone with Appraisal Report
Sale price¥25,800
American red beryl 0.184ct loose
Sale price¥39,800
Brazilian Blue Tourmaline in Quartz 9.251ct Loose Stone
Sale price¥39,800
0.787 ct faceted Dumortierite in Quartz from Brazil
Sale price¥7,980
Brazilian Dumortierite in Quartz 1.112ct Loose Gemstone (Faceted Cut)
Sale price¥11,000
Zimbabwean bi-color euclase from Zimbabwe, 0.109 ct, loose stone
Sale price¥59,800
Pink Tourmaline from Brazil 6.782ct Loose
Sale price¥69,800
Colombian emerald 0.155ct loose stone
Sale price¥29,800
Tanzanian Bicolor Zoisite 0.312ct Loose Stone
Sale price¥12,800
Tanzanian Bekiri Blue Garnet (Color Change Garnet) 0.102ct Loose Stone
Sale price¥12,800
Afghan Bicolor Beryl 9.490ct Loose Gemstone (with Rainbow Inclusions)
Sale price¥25,800
Congo Cobalt Calcite 1.439ct Loose Stone
Sale price¥18,800
0.451 ct loose Colombian emerald
Sale price¥39,800
Tanzanian Bicolor Grossular Garnet 2.997ct Loose Stone
Sale price¥69,800
Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Brazilian green tourmaline 4.345ct loose stone
Sale price¥69,800
Colombian emerald 0.091ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 7.268ct loose stone
Sale price¥158,000
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
[11/3 22:00] Zimbabwean Bicolor Euclase 0.196ct Loose Stone
Sale price¥45,800
Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
Colombian Euclase 0.546ct Loose Stone
Sale price¥25,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
Colombian emerald 0.176ct loose stone
Sale price¥59,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
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.