Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
[12559449] Australian Boulder Opal 3.122ct Loose
Sale price¥29,800
【11/2 22時販売】メキシコ産ハイアライトオパール 1.420ctルース
Sale price¥18,800
[11/2 22:00] Brazilian Pink Tourmaline 2.765ct Loose Stone
Sale price¥69,800
[11/1 22:00 Sale] Brazilian Pink Tourmaline 1.515ct Loose Stone
Sale price¥98,000
[11/1 22:00 Sale] Brazilian Elestial Amethyst 1.586ct Loose Stone
Sale price¥8,800
[On Sale at 10pm on 10/22] Brazilian Amethyst 5.883ct Loose
Sale price¥9,800
Australian white opal 2.092ct loose stone
Sale price¥9,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥49,800
[On Sale at 10pm on October 5th] Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
[10/11 22:00 Sale] Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
[10/10 22:00 Sale] Brazilian Rubellite 4.078ct Loose Stone
Sale price¥98,000
[On Sale at 10pm on October 1st] Australian Boulder Opal 9.120ct Loose
Sale price¥98,000
Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 3.188ct Loose Stone
Sale price¥15,800
[On Sale at 10 PM on August 16th] Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.439ct Loose Stone
Sale price¥12,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥98,000
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Brazilian bicolor topaz 3.098ct loose stone
Sale price¥29,800
Bicolor Fluorite 24.682ct Loose
Sale price¥29,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Colombian fluorite 5.903ct loose stone
Sale price¥18,800
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Oligoclase Sunstone 15mm/10.593ct Loose
Sale price¥15,800
Spanish Sphalerite 12.5mm/9.860ct Loose Stone
Sale price¥98,000
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
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.