Blue sapphire 0.287ct loose
Sale price¥12,800
Ceylon ice blue sapphire, 1.134 ct, loose, with gemological report
Sale price¥45,800
1.841ct Loose Tanzanian Zircon with Certificate of Authenticity
Sale price¥18,800
Tanzanian Orange Zircon 1.305ct Loose Stone with Appraisal Report
Sale price¥13,800
Tanzanian green sapphire 0.303ct loose stone
Sale price¥8,800
Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥55,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥7,980
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
[Calafuri] K18 Blue Sapphire and Diamond Ring Appraisal Report
Sale price¥128,000
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Jeremejevite from Namibia 0.095ct Loose Stone with Certification
Sale price¥24,800
Jeremejevite from Namibia 0.089ct Loose Stone with Certificate
Sale price¥25,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥89,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
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
Tanzanian Zircon, 3.643ct Loose Stone
Sale price¥22,800
Blue Sapphire 0.369ct Loose Gemstone with Japan-Germany Appraisal
Sale price¥22,800
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
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
[12550865] 0.203ct loose zoisite from Tanzania
Sale price¥5,980
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥12,800
![[KEN] Pink spinel from Myanmar 0.604ct loose](http://store.karatz.jp/cdn/shop/files/P3072321_90dbdf47-d092-4a80-b9e5-3d9d995ff034.jpg?v=1785364342&width=2788)
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
Unheated Blue Sapphire 2.430ct Loose GIA
Sale price¥258,000
0.985 ct Loose Bicolor Zircon from Malawi (Malawi Zircon)
Sale price¥39,800
Loose 1.833ct Blue Zircon from Malawi (Malawi Zircon)
Sale price¥98,000
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥14,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥15,800
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.