Oval Cut
Brazilian Dumortierite in Quartz 0.867ct Loose Stone
Sale price¥9,800
Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire)
Sale price¥15,800
Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)
Sale price¥25,800
Mexican fire opal, 0.733 ct, loose
Sale price¥29,800
Mexican Opal 0.353ct Loose (Faceted Cut)
Sale price¥9,800
US Peridot 0.632ct Loose Stone
Sale price¥9,800
British Rogerley Fluorite 3.750 ct loose stone
Sale price¥8,800
Australian Prehnite 2.051ct loose stone
Sale price¥8,800
Tanzanian Color Change Garnet 0.607ct Loose Stone
Sale price¥11,000
Sri Lankan Hessonite Garnet 0.441ct Loose Stone
Sale price¥8,800
Tanzanian bicolor zoisite 2.322ct loose stone
Sale price¥69,800
Synthetic Alexandrite 0.338ct loose stone
Sale price¥12,800
Brazilian Elestial Amethyst from Brazil, 15.928ct Loose Stone
Sale price¥45,800
Cambodian Colorless Zircon 1.121ct Loose Stone
Sale price¥18,800
German Apatite 0.048ct Loose Stone
Sale price¥19,800
0.175ct loose hot pink sapphire from Mozambique
Sale price¥15,800
Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
Tanzanite 0.753ct loose stone from Tanzania
Sale price¥25,800
Tanzanian Rhodolite Garnet 1.194ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.733ct Loose Stone
Sale price¥9,800
0.796ct Loose Bicolor Grossular Garnet from Tanzania
Sale price¥39,800
Tanzanian Zoisite 0.956ct Loose Stone
Sale price¥19,800
Sri Lankan Moonstone 1.578ct Loose Gemstone
Sale price¥12,800
Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Colombian emerald 0.159ct loose stone
Sale price¥47,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Tanzanite from Tanzania 0.889ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.132ct Loose Stone
Sale price¥9,800
Cambodian Blue Zircon 0.440ct Loose
Sale price¥9,800
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Oregon Sunstone from the USA, 2.128 ct loose stone
Sale price¥22,800
1.519ct loose Oregon sunstone from the United States
Sale price¥15,800
Tanzanian Green Zoisite 0.354ct Loose Stone
Sale price¥12,800
Green zoisite from Tanzania, 0.262 ct loose
Sale price¥9,800
Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sale price¥12,800
0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sale price¥29,800
0.257ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥12,800
Sri Lankan Bicolor Sapphire 0.607ct Loose Stone
Sale price¥15,800
Brazilian green tourmaline 1.233 ct loose stone
Sale price¥69,800
Brazilian Blue Tourmaline 0.827ct Loose Stone
Sale price¥19,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
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.