Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Colombian emerald 1.321ct loose stone (partly trapiche emerald)
Sale price¥98,000
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
Diamond 0.171ct loose stone (E, VS2, radiant cut)
Sale price¥35,800
K18YG Brazilian Paraiba Tourmaline 0.30ct Diamond Ring GIA
Sale price¥198,000
Pt950 Brazilian Paraiba Tourmaline 0.201ct Pendant (Necklace)
Sale price¥128,000
K18YG Pink Diamond 0.068ct Ring (FANCY LIGHT PINK, SI-2)
Sale price¥128,000
Brazilian Imperial Topaz 0.377ct Loose Stone
Sale price¥14,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian pink tourmaline 0.844ct loose stone
Sale price¥22,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 1.059ct Loose Stone
Sale price¥16,800
Brazilian Pink Tourmaline 0.628ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
[Published in 22602357] K18 mint garnet 0.513ct ring
Sale price¥79,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Myanmar Trapiche Ruby 2.6mm/0.125ct Loose Stone
Sale price¥5,980
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Indigolite Tourmaline 1.616ct Loose Stone JTL
Sale price¥69,800
Brazilian Indigolite Tourmaline 1.440ct Loose Stone JTL
Sale price¥39,800
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Green tourmaline 1.190ct loose stone
Sale price¥98,000
Tanzanite 0.482ct loose stone (princess cut) from Tanzania
Sale price¥18,800
Tanzanite from Tanzania 1.140ct loose stone
Sale price¥39,800
Tanzanite from Tanzania 1.577ct loose stone
Sale price¥49,800
Tanzanite from Tanzania 1.162ct loose stone
Sale price¥39,800
Tanzanite from Tanzania 0.767ct loose stone
Sale price¥29,800
Tanzanite from Tanzania 1.243ct loose stone
Sale price¥45,800
Tanzanite from Tanzania 2.011ct loose stone
Sale price¥65,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Tanzanite from Tanzania 6.006ct loose stone
Sale price¥228,000
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
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
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.