Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥9,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
Russian rough diamond (sawable) 0.117ct loose
Sale price¥29,800
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥2,000
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥10,000
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥27,000
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥55,200
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥73,200
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥88,200
Colombian Trapiche Emerald 0.488ct Loose
Sale price¥25,800
Brazilian Limonite in Topaz 4.743ct loose stone
Sale price¥12,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
American Red Beryl 0.147ct Loose
Sale price¥39,800
Paraiba Tourmaline from Mozambique 0.360ct loose stone
Sale price¥18,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Mica in Quartz 0.758ct Loose Stone
Sale price¥6,980
Solo (Simple Order Earring Frame/Chain Type)
Sale price¥44,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥9,800
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.