Synthetic Moissanite 1.186ct loose stone
Sale price¥12,800
Mozambique Almandine Garnet 1.229ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 1.465ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.065ct Loose Stone
Sale price¥11,000
Mozambique Almandine Garnet 6.7mm/1.308ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 1.329ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 0.343ct Loose
Sale price¥15,800
Thai Blue Sapphire 0.740ct Loose
Sale price¥15,800
Brazilian Green Tourmaline 0.457ct Loose Stone
Sale price¥15,800
Sri Lankan White Sapphire 4.0mm/0.275ct Loose
Sale price¥12,800
Sri Lankan pink sapphire 4.0mm/0.296ct loose stone
Sale price¥12,800
Zambian Canary Yellow Tourmaline 4.0mm/0.277ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 2.116ct loose stone
Sale price¥18,800
Tanzanite from Tanzania 0.609ct loose stone
Sale price¥15,800
Unheated silky sapphire from Sri Lanka 0.721ct loose stone
Sale price¥14,800
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Madagascar White Sapphire 0.490ct Loose JTL
Sale price¥12,800
Madagascar Yellow Sapphire 0.571ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.594ct loose stone
Sale price¥14,800
Madagascar sapphire 0.647ct loose stone
Sale price¥14,800
Madagascar sapphire 0.564ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.837ct loose stone
Sale price¥15,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.126ct Loose Stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.149ct loose
Sale price¥14,800
Brazilian Indigolite Tourmaline in Quartz 1.873ct Loose Stone
Sale price¥12,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Euclase from Zimbabwe 0.046ct loose
Sale price¥29,800
Zimbabwean Euclase 0.032ct loose stone
Sale price¥15,800
Zimbabwean Euclase 0.029ct loose stone
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.826ct Loose
Sale price¥25,800
Tanzania Peristerite 1.592ct Loose Stone (Blue Moonstone)
Sale price¥14,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Synthetic Moissanite 10mm/4.342ct Loose Stone
Sale price¥18,800
Afghanistan Awinite 0.069ct loose stone JTL catalog
Sale price¥29,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.066ct loose stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.320ct Loose Stone
Sale price¥14,800
Tanzanian bicolor tanzanite 4.804ct rough stone
Sale price¥18,800
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.