Star spinel 1.295ct loose
Sale price¥11,800
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥9,800
Colombian emerald cat's eye 0.834ct loose
Sale price¥39,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Kunzite 13.700ct loose
Sale price¥15,800
Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity
Sale price¥45,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Opal 426.985ct rough stone
Sale price¥29,800
[Dandelion cut] YAG (yttrium aluminum garnet) 8mm/2.752ct loose
Sale price¥45,800
[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose
Sale price¥12,800
[On sale at 10pm on August 14th] Madagascar sapphire 0.569ct loose
Sale price¥18,800
[On Sale at 10 PM on August 9th] Madagascar Sapphire 0.503ct Loose
Sale price¥15,800
[On Sale at 10 PM on August 2nd] Madagascar Sapphire 0.344ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 2nd] Madagascar Sapphire 0.516ct Loose
Sale price¥12,800
[8/13 22:00 Sale] Brazilian Aquamarine 0.255ct Loose Stone
Sale price¥6,980
[8/11 22:00 Sale] Tanzanian Rhodolite Garnet 0.734ct Loose Stone
Sale price¥6,980
[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
[On Sale at 10 PM on August 3rd] Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
[On sale at 10pm on August 16th] Cambodian Zircon 0.414ct Loose
Sale price¥6,980
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.