Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Diamond 3.2mm/0.132ct Loose (G, VS-2, EXCELLENT)
Sale price¥29,800
[Colorful] Pt900/Pt850 Auinite 0.08ct pendant (necklace)
Sale price¥79,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
Australian boulder opal 3.122ct loose stone
Sale price¥29,800
Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
0.176ct Colombian Emerald Loose Stone
Sale price¥59,800
Tanzanian bicolor sapphire 0.486ct loose stone
Sale price¥12,800
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
18KPG pink sapphire 0.32ct brown diamond ring
Sale price¥69,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Australian Crystal & White Opal 13-Stone Half Eternity Ring Set (2.0mm)
Sale price¥98,000
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Greenland Sapphire 4.0mm/0.328ct Loose Stone with Certificate
Sale price¥39,800
![[12559773] Ruby 0.122ct loose stone](http://store.karatz.jp/cdn/shop/files/PA171226_c028b763-7907-435d-9290-5e6712686ee0.jpg?v=1767532283&width=2078)
[12559773] Ruby 0.122ct loose stone
Sale price¥14,800
Australian White Opal, 6.0mm/0.697ct loose stone (rose cut)
Sale price¥8,800
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
[Posted 12549094] Sri Lankan sapphire cat's eye 3.739ct loose
Sale price¥59,800
[12548587 published] Star sapphire from Sri Lanka 1.325ct loose
Sale price¥5,980
Australian boulder opal 0.874ct loose
Sale price¥3,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Mexican Cantera Opal 1.120ct Loose
Sale price¥8,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
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.