Sri Lankan orange sapphire 0.654ct loose with certificate
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.815ct Loose Stone with Appraisal
Sale price¥15,800
Moonstone from Malawi (Malawi Moonstone) 1.684ct Loose
Sale price¥9,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Ceylon ice blue sapphire, 1.134 ct, loose, with gemological report
Sale price¥45,800
Dioptase from Brazil, 0.956ct, loose stone, with鑑別書
Sale price¥23,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥7,980
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
American Ceylanite 2.666ct Loose Stone with Certification
Sale price¥15,800
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
0.938 ct Tanzanian Almandine Garnet Loose Stone
Sale price¥12,800
Synthetic Alexandrite, 1.381ct Loose
Sale price¥25,800
Synthetic Alexandrite 1.076ct Loose Stone
Sale price¥25,800
Mexican Fire Opal 0.729 ct Loose Stone
Sale price¥8,800
0.755 ct Loose Australian Black Opal
Sale price¥12,800
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥8,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥12,800
Bicolor Zoisite 1.100ct Loose Stone (Bicolor Tanzanite)
Sale price¥18,800
Mexican Opal 0.499ct Loose
Sale price¥3,980
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥9,800
Unheated Blue Sapphire 2.430ct Loose GIA
Sale price¥258,000
Loose 1.661 ct Malawi Moonstone
Sale price¥12,800
Pink tourmaline 0.845ct loose stone
Sale price¥12,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥16,800
Uncut Kochi Prefecture Blood Coral 6.520ct
Sale price¥8,800
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥9,800
Australian black opal 0.650ct loose
Sale price¥15,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥59,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
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.