Silky sapphire from Sri Lanka 0.632ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 1.086ct loose
Sale price¥15,800
Bicolor tourmaline 0.675ct loose
Sale price¥6,980
Goshenite 6.7mm/0.995ct loose stone
Sale price¥12,800
Sealight from Afghanistan 0.602ct loose
Sale price¥3,980
Sealite from Afghanistan 1.086ct loose
Sale price¥5,980
Sealite from Afghanistan 0.822ct loose
Sale price¥4,980
Sealight from Afghanistan 0.604ct loose
Sale price¥3,980
Sealite from Afghanistan 1.011ct loose
Sale price¥5,980
Sealite from Afghanistan 0.905ct loose
Sale price¥3,980
Sealite from Afghanistan 0.938ct loose
Sale price¥3,980
Sealite from Afghanistan 0.632ct loose
Sale price¥3,980
Diamond 0.534ct rough stone
Sale price¥9,800
Brazilian dumortierite in quartz 1.796ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.517ct loose
Sale price¥12,800
Australian black opal 0.310ct loose
Sale price¥8,800
Pomme Blanche "Semi-custom ring setting"
Sale price¥99,800
Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
Brazilian dumortierite in quartz 0.506ct loose
Sale price¥7,980
Brazilian dumortierite in quartz 0.496ct loose
Sale price¥6,580
Brazilian dumortierite in quartz 0.731ct loose
Sale price¥8,800
Pezzottite from Madagascar 0.087ct loose
Sale price¥6,980
Pezzotite from Madagascar 0.129ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.115ct loose
Sale price¥5,980
Pezzottite from Madagascar 0.142ct loose
Sale price¥9,800
Pezzotite from Madagascar 0.128ct loose
Sale price¥6,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Amethyst 3.090ct loose
Sale price¥6,980
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Twin star sapphire from Sri Lanka 2.523ct loose
Sale price¥98,000
Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 3.003ct loose (Violet star sapphire)
Sale price¥59,800
Lazurite in quartz from Madagascar 7.5mm/1.600ct loose
Sale price¥18,800
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Purple spinel 4.5mm/0.365ct loose
Sale price¥4,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
Purple Spinel 4.8mm/0.422ct Loose Stone
Sale price¥6,980
Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
[Moonsteiner] Pyrite in Quartz 18.288ct Loose
Sale price¥59,800
American red beryl 0.207ct loose
Sale price¥49,800
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.