Solo (Simple Order Earring Frame/Chain Type)
Sale priceFrom ¥45,800
1.025ct Loose White Sapphire from Sri Lanka with Gemological Report
Sale price¥35,800
Pink Diamond 2.2mm/0.044ct Loose (FANCY LIGHT PURPLE PINK, SI1)
Sale price¥39,800
Pink Diamond 0.073ct Loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥39,800
Diamond (Hearts & Arrows) 3.0mm/0.226ct Loose (G, VVS-1, 3Excellent H&C)
Sale price¥46,800
[COLORFUL] Pt900/Pt850 Diamond 4.0mm/0.29ct Solitaire Pendant (Necklace)
Sale price¥35,800
[Listed as 12563489] Sri Lankan Blue Sapphire 0.636 ct Loose Stone
Sale price¥39,800
Jeremejevite 0.226ct Loose
Sale price¥45,800
[22602626 listed] [Kalafr] K18 Grossular Garnet 0.26ct Charm
Sale price¥39,800
Oregon Sunstone from the USA, 7.0mm/1.345ct Loose
Sale price¥35,800
Jeremejevite from Namibia, 0.140ct Loose Stone, with Certificate
Sale price¥33,800
Australian Black Opal 0.778ct Loose
Sale price¥35,800
Brown Diamond 0.728ct Loose (FANCY DARK BROWN, SI2)
Sale price¥49,800
Loose Brown Diamond 5.0mm/0.556ct (FANCY LIGHT BROWN, VS-1)
Sale price¥39,800
Diamond 3.7mm/0.185ct Loose (D, VVS-2, 3Excellent H&C)
Sale price¥39,800
0.229 ct Loose Red Spinel from Myanmar with Certificate
Sale price¥45,800
0.191ct Colombian emerald loose stone, Hōki-kyō
Sale price¥45,800
USA Origin Oregon Sunstone 7.1mm/1.397ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the USA, 8.1mm/1.840ct Loose Stone
Sale price¥39,800
[Listing No. 12563397] Brazilian Alexandrite 0.217 ct Loose Stone
Sale price¥39,800
[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct
Sale price¥39,800
[Published 12562264] Brazilian Lazulite 0.048ct Loose
Sale price¥36,800
Green Diamond 0.100ct Loose (VERY LIGHT GREEN, SI-1, Old Cut)
Sale price¥39,800
Diamond 0.229ct Loose (D, VS2, Flanders Cut)
Sale price¥39,800
Brazilian Blue Tourmaline in Quartz 10.466ct Loose
Sale price¥39,800
Kochi Prefecture deep red coral 7.815ct loose gemstone
Sale price¥42,800
[Posted on 22602644] [Calafri] K18 Synthetic Sapphire Ring
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.060ct Loose (CuO:1.6%, MnO:2.3%)
Sale price¥42,800
Brazilian Lazulite 0.067ct Loose Gemstone with Certificate
Sale price¥49,800
Brazilian Lazulite 0.061ct Loose Gemstone with Certificate
Sale price¥45,800
Ceylon ice blue sapphire, 1.134 ct, loose, with gemological report
Sale price¥45,800
Afghan Green Hauyne 3.6mm/0.135ct Loose with Certification
Sale price¥35,800
0.323ct loose pezzottaite from Madagascar
Sale price¥49,800
Brazilian Silky Alexandrite 0.265ct Loose Stone with Certification
Sale price¥45,800
Rough diamond (sawable) from Russia, 0.148ct rough diamond (trigon)
Sale price¥49,800
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.