Montana Sapphire 0.254ct loose
Sale price¥9,800
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
Mexican egg-in-opal 0.627ct loose stone
Sale price¥8,800
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Mica in Quartz 0.544ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.834ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.980ct Loose
Sale price¥6,980
Mozambique colorless tourmaline (acroite) 3.542ct loose stone
Sale price¥69,800
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Golden Iolite (Cordierite) 0.321ct loose stone
Sale price¥12,800
Additional charge: K18WG (base metal) + 25,000 yen
Sale price¥25,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥20,000
Additional charge for resizing: 8,000 yen
Sale price¥8,000
Additional charge for resizing: 16,000 yen
Sale price¥16,000
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥15,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥12,800
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥29,800
Cambodian Blue Zircon 0.744ct Loose Stone
Sale price¥8,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥8,800
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥6,980
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥15,800
Sky blue topaz 1.719ct loose stone
Sale price¥9,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥98,000
0.051ct loose Brazilian Paraiba Tourmaline (CuO: 1.9%, MnO: 2.5%)
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%)
Sale price¥39,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥55,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥9,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥2,000
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥12,000
Additional charge: K18PG (base metal) + 5,000 yen
Sale price¥12,000
Additional charge: K18WG (base metal) + 15,000 yen
Sale price¥17,000
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥10,000
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥37,000
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.