Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥6,980
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥18,800
【9/7 10 PM Release】Indian Parrot Chrysoberyl 0.288ct Loose Stone
Sale price¥12,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥8,800
[Lottery Sale 0731_10] Colombian Muzo Non-Oil Emerald 0.370ct Loose GIA
Sale price¥298,000
[Lottery Sale 0825_10] Colombian Non-Oil Emerald 0.090ct Loose GIA
Sale price¥128,000
[Lottery Sale 0812_18] Zambian Non-Oil Emerald 0.540ct Loose GIA
Sale price¥178,000
【9/1 10 PM Release】Colombian Emerald 0.123ct Loose Gemstone
Sale price¥18,800
[Published as 12564055] American Red Beryl 0.239ct Loose Stone
Sale price¥69,800
Colombian Pyrite, Mica in Emerald 1.192ct Loose Stone with Certificate
Sale price¥79,800
Colombia Cosquez Mine Trapiche Emerald 0.138ct Loose with Certificate
Sale price¥19,800
Colombia Emerald 4.5mm/0.286ct Loose Stone (Hokikyō)
Sale price¥69,800
Colombia Emerald Cat's Eye 0.060ct Loose, Hōki Kyō
Sale price¥15,800
Brazilian yellow beryl, 1.472 ct loose
Sale price¥19,800
Loose 0.824 ct Colombian Bi-Color Emerald
Sale price¥25,800
0.191ct Colombian emerald loose stone, Hōki-kyō
Sale price¥45,800
0.147ct Loose Colombian Emerald with Gemological Report
Sale price¥12,800
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
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥4,980
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.