[Colorful] Pt900 Madagascar Sapphire 0.99ct / Diamond 0.58ct Ring GIA
Sale price¥228,000
[Colorful] Pt900 1.33ct Thai Sapphire and 0.12ct Diamond Ring GIA
Sale price¥198,000
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
American Peridot 0.528ct Loose Stone
Sale price¥8,800
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Mozambique pink spinel 0.670ct loose stone
Sale price¥22,800
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Kochi Prefecture Deep Red Coral 1.975ct Loose Stone
Sale price¥18,800
Kochi Prefecture red coral 2.187ct loose
Sale price¥19,800
Kochi Prefecture Blood Coral 2.294ct Loose
Sale price¥19,800
0.464 ct Mozambique Ruby Loose Stone with Identification Report
Sale price¥29,800
Brazilian Seafoam Tourmaline, 4.1mm/0.303ct loose stone
Sale price¥16,800
Afghan Hackmanite 0.205 ct Loose
Sale price¥36,800
0.093ct Hackmanite from Afghanistan
Sale price¥16,800
Diamond 3.3mm/0.172ct Loose (G, VS-1, Flanders Cut)
Sale price¥45,800
Loose diamond 3.1mm/0.117ct (D, VVS-2, VeryGood)
Sale price¥23,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Ruby 0.820ct Loose Gem (Hohki-kyo)
Sale price¥39,800
0.048ct Loose Purple Diamond (FANCY VIVID PINK PURPLE, SI-1) CGL
Sale price¥198,000
0.210ct Colombian Non-Oil Emerald Loose Stone GIA
Sale price¥228,000
Madagascar Padparadscha Sapphire 3.9mm/0.336ct Loose DGL Certified
Sale price¥45,800
Nigerian cobalt-bearing gahnite, 0.122 ct, loose, with lab report
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.183ct Loose Stone with Certification
Sale price¥12,800
Lapis Lazuli 3.394ct Loose Stone
Sale price¥13,800
Lapis Lazuli 0.874ct Loose Gemstone
Sale price¥11,000
Unheated Pink Imperial Topaz (Sherry Pink) 0.220ct Loose Gemstone
Sale price¥13,800
Australian Black Opal 0.424ct Loose Stone
Sale price¥12,800
0.520ct Loose Australian Black Opal
Sale price¥13,800
0.755 ct Loose Australian Black Opal
Sale price¥12,800
Australian Black Opal 1.080ct Loose
Sale price¥39,800
Afghan Hauyne 0.098ct Loose Stone with Certification
Sale price¥25,800
Zimbabwean rough green diamond (sawable) 0.228ct rough (trigon)
Sale price¥79,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2)
Sale price¥69,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Morganite 0.379ct loose stone
Sale price¥7,980
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
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.