0.097ct Grandidierite Loose Stone from Madagascar
Sale price¥29,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
0.343 ct Tanzanite Loose Gemstone from Tanzania
Sale price¥8,800
0.296ct Loose Tanzanite from Tanzania
Sale price¥12,800
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
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
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
USA origin Peridot, 0.496 ct, 2-stone matched pair, loose
Sale price¥12,800
Tanzanian Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
Cassiterite 4.0mm/0.571ct Loose Stone with Certificate of Authenticity
Sale price¥14,800
0.257ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥12,800
Sri Lankan bicolor sapphire 0.586ct loose stone
Sale price¥39,800
0.604ct rough diamond
Sale price¥12,800
Sri Lankan triple star sapphire 1.743ct loose stone
Sale price¥128,000
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Colombian emerald 3.3mm/0.131ct loose stone
Sale price¥25,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
Sri Lankan blue sapphire 1.008ct loose stone
Sale price¥69,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
American Peridot 0.283ct Loose Stone
Sale price¥8,800
Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
Pezzottaite from Madagascar 0.198ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.486ct loose stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
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.