【9/5 22:00 Release】 Brazilian Paraiba Tourmaline 20.343ct Rough Stone
Sale price¥15,800
[Available 9/5, 10 PM] 8.246ct Rough Paraiba Tourmaline from Brazil
Sale price¥25,800
[Lottery Sale 0620_03] South African Rhodochrosite 2.694ct Loose Stone
Sale price¥228,000
[Listed under 12563270] South African rough diamond (sawable) 0.477ct
Sale price¥178,000
Spanish Sphalerite 2.726ct loose stone
Sale price¥32,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥35,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥18,800
Zimbabwean Apatite (UV Type) 0.585ct Loose
Sale price¥8,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥6,980
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥9,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Indian Cavansite 1.171ct loose stone
Sale price¥8,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥8,800
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥18,800
Manganotantalite 0.736ct loose stone from Japan and Germany
Sale price¥128,000
[Lottery Sale ②_202608_07] Myanmar Orange Spinel 0.855ct Loose Stone
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%)
Sale price¥29,800
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥39,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥6,980
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥79,800
Russian rough diamond (sawable) 0.098ct loose
Sale price¥22,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥9,800
Brazilian Alexandrite 0.239ct Loose Gemstone [Listed as 12564071]
Sale price¥45,800
[Available 9/9 at 10 PM] [Color-Free] Pt900 Diamond 1.00ct V-Shape Ring
Sale price¥128,000
【Available 9/9 at 10 PM】【Colori】Pt900 Opal 1.10ct Diamond 0.46ct Ring
Sale price¥98,000
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.