Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
[Dandelion Cut] 7mm/1.412ct Sphene Loose Stone from Madagascar
Sale price¥59,800
American Benitoite 0.242ct Loose
Sale price¥158,000
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Iolite Sunstone from India 0.472ct Loose Gemstone
Sale price¥5,980
Gray Diamond 0.107ct Loose (FANCY GRAY, I-1)
Sale price¥39,800
Diamond 0.402ct Loose (H, VS2, Flanders Cut)
Sale price¥79,800
Pt950 Ice Blue Diamond (Treatment) 0.197ct Ring
Sale price¥128,000
Pt950 Tanzania Lavender Tanzanite 1.51ct Ring
Sale price¥98,000
K18YG Indian Moonstone Cat's Eye 1.438ct Ring
Sale price¥79,800
Loose White Diamond 0.108ct (FANCY WHITE, I-1)
Sale price¥55,800
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
Pink Diamond 0.074ct Loose (FANCY LIGHT PURPLE PINK, I-1)
Sale price¥39,800
K18YG Tanzanian Tanzanite 0.344ct Pendant Top
Sale price¥39,800
0.079ct Loose Brazilian Paraiba Tourmaline (CuO: 1.6% MnO: 2.8%)
Sale price¥29,800
Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.4% MnO:1.1%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Brazilian Morganite, 11mm/5.181ct Loose Stone
Sale price¥158,000
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Sri Lankan blue sapphire, 0.557 ct, loose
Sale price¥22,800
0.517ct loose blue sapphire from Sri Lanka
Sale price¥18,800
Malawi Moonstone (Malawi Moonstone) 5.767ct Loose
Sale price¥45,800
Malawi Moonstone (Malawi Moonstone) 4.777ct Loose
Sale price¥45,800
Malawi Moonstone 4.731ct Loose Stone
Sale price¥29,800
Malawi Moonstone 4.392ct Loose
Sale price¥32,800
4.168ct loose Malawi Moonstone
Sale price¥39,800
Malawi Moonstone 3.912ct Loose Gemstone
Sale price¥37,800
Malawi Moonstone (Malawi Moonstone) 3.517 ct Loose
Sale price¥35,800
Malawi Moonstone 2.445ct Loose
Sale price¥18,800
Indonesian Parasitic Peridot 0.276ct Loose Stone
Sale price¥98,000
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥15,800
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥3,980
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.