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
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Rough diamond (sawable) from Russia, 0.148ct rough diamond (trigon)
Sale price¥49,800
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
Zimbabwean rough green diamond (sawable) 0.228ct rough (trigon)
Sale price¥79,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
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
Myanmar Leuco Garnet 0.128ct Loose Stone with Certificate
Sale price¥25,800
0.108ct Loose Leuco Garnet from Myanmar, with identification report
Sale price¥22,800
Rough diamond from Botswana (sawable) 0.118ct rough (trigon)
Sale price¥29,800
0.210 ct Colombian Trapiche Emerald Loose Stone
Sale price¥39,800
Madagascar bicolor sapphire 3.7mm/0.271ct loose
Sale price¥6,980
Blue Sapphire 0.369ct Loose Gemstone with Japan-Germany Appraisal
Sale price¥22,800
Andalusite from Spain, 0.416 ct Loose Gemstone
Sale price¥9,800
Tanzanite from Tanzania, 0.372ct Loose Stone
Sale price¥14,800
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
Nigerian cobalt-bearing gahnite, 0.122 ct, loose, with lab report
Sale price¥18,800
Nigerian Cobalt Gahnite 0.158ct Loose Stone with Certification
Sale price¥22,800
Nigerian Cobalt-bearing Gahnite 0.157ct Loose with Certificate
Sale price¥22,800
0.154ct Nigerian Cobalt Hausmannite Loose Stone with Certificate
Sale price¥24,800
Madagascar Padparadscha Sapphire 3.9mm/0.336ct Loose DGL Certified
Sale price¥45,800
0.210ct Colombian Non-Oil Emerald Loose Stone GIA
Sale price¥228,000
Massive Grabovite from Myanmar 0.351ct Loose Stone GIA
Sale price¥128,000
Mongolian Andesine 0.464ct Loose Stone
Sale price¥9,800
Afghan Hackmanite 0.205 ct Loose
Sale price¥36,800
Brazilian Seafoam Tourmaline, 4.1mm/0.303ct loose stone
Sale price¥16,800
Brazilian Seafoam Tourmaline, 4.1mm/0.280ct Loose
Sale price¥15,800
0.334 ct Brazilian Seafoam Tourmaline Loose Stone
Sale price¥16,800
0.464 ct Mozambique Ruby Loose Stone with Identification Report
Sale price¥29,800
Sri Lankan Chrysoberyl Cat's Eye 4.1mm/0.490ct Loose
Sale price¥15,800
Tanzanian Pink Zoisite 0.190ct Loose Stone with Gemstone Report
Sale price¥79,800
Andalusite from Spain, 0.425 ct loose
Sale price¥9,800
0.478ct Andalusite Loose Stone from Spain
Sale price¥8,800
Synthetic alexandrite 4.3mm/0.379ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.414ct Loose
Sale price¥12,800
Sri Lankan Bi-Color Sapphire 0.434ct Loose Stone
Sale price¥12,800
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.