Colombian Euclase 2.276ct loose stone
Sale price¥69,800
Colombian Euclase 1.157ct loose stone
Sale price¥69,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)
Sale price¥98,000
Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C)
Sale price¥59,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Synthetic Opal (Synthetic Black Opal) 10.910ct Loose
Sale price¥69,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Bicolor sapphire 2.040ct loose stone
Sale price¥59,800
[Sakura Shape] Mexican Opal 2.551ct Loose Patch
Sale price¥59,800
[Takeshi Yamamoto] Rose quartz 25.017ct loose stone
Sale price¥59,800
[Takeshi Yamamoto] Ametrine 20.856ct loose stone
Sale price¥98,000
[Takeshi Yamamoto] Rock crystal 78.580ct loose stone
Sale price¥98,000
Pakistani Lazurite (Azurite) 0.123ct loose stone
Sale price¥59,800
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Brazilian bicolor tourmaline 3.282ct loose
Sale price¥59,800
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Mozambique Aquamarine 3.301ct Loose Stone
Sale price¥59,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥54,800
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
Pt950 American Orange Benitoite 0.076ct Benitoite Ring
Sale price¥98,000
Brazilian Indigolite Tourmaline 1.616ct Loose Stone JTL
Sale price¥69,800
Green tourmaline 1.190ct loose stone
Sale price¥98,000
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
K18YG American Turquoise 1.04ct Ring (Cat Cut)
Sale price¥79,800
K18PG Madagascar pink sapphire 0.24ct 0.25ct earrings (Asscher cut)
Sale price¥59,800
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
K18/Pt950 Cambodian Blue Zircon 0.48ct Paraiba Tourmaline Ring
Sale price¥89,800
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.