Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Brown Diamond 0.531ct Loose (FANCY DARK BROWN, SI-2)
Sale price¥39,800
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.354ct loose
Sale price¥4,980
[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose
Sale price¥9,800
Synthetic Alexandrite 4.3mm/0.430ct Loose Stone
Sale price¥12,800
Zimbabwe Green Diamond Rough (Sawable) 0.428ct Rough Stone with Trigon
Sale price¥158,000
Yellow sapphire 0.294ct loose
Sale price¥8,800
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon
Sale price¥148,000
Synthetic Rutile 0.554ct Loose
Sale price¥8,800
Mozambique Almandine Garnet 4.8nmm/0.545ct Loose Stone
Sale price¥8,800
0.521ct Loose Brazilian London Blue Topaz
Sale price¥6,980
0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2)
Sale price¥49,800
0.174ct Brown Diamond Loose (FANCY DARK BROWN, SI-2)
Sale price¥25,800
Sri Lankan Hessonite Garnet 0.441ct Loose Stone
Sale price¥8,800
Tanzanian Yellow Zircon 0.835ct Loose
Sale price¥9,800
Brazilian Rainbow Scapolite 0.328ct Loose Stone
Sale price¥9,800
Synthetic Alexandrite 0.338ct loose stone
Sale price¥12,800
Tanzanian Mandarin Garnet, 0.418 ct Loose Stone
Sale price¥25,800
Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose
Sale price¥12,800
Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
Tanzanian Bicolor Zoisite 0.312ct Loose Stone
Sale price¥12,800
Tanzanian Tanzanite, 5.0mm/0.558ct Loose Stone
Sale price¥15,800
Myanmar Jade (Jadeite) 0.525ct Loose Stone
Sale price¥8,800
Angola Green Diamond Rough (Sawable) 0.528ct Rough (with Trigon)
Sale price¥198,000
Mexican Fire Opal 0.218ct Loose Stone (Faceted Cut)
Sale price¥18,800
Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS
Sale price¥128,000
Kenyan Idocrase 0.650ct Loose
Sale price¥12,800
Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sale price¥12,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
Tanzanian Tanzanite 4.3mm/0.311ct Loose Stone
Sale price¥12,800
Pigeon Blood Ruby 0.490ct Loose
Sale price¥128,000
Cambodian Blue Zircon 0.440ct Loose
Sale price¥9,800
Loose Oregon Sunstone from the USA, 0.318ct
Sale price¥6,980
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sale price¥14,800
Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Green zoisite from Tanzania, 0.262 ct loose
Sale price¥9,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
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.