Afghan Hauyne 0.098ct Loose Stone with Certification
Sale price¥25,800
【Sales begin on 6/21 at 10 PM】Mexican Fire Opal 1.857ct Loose Gemstone
Sale price¥25,800
[On sale June 21st, 10 PM] Mexican Fire Opal Loose Stone 2.279ct
Sale price¥15,800
[On sale July 24 at 10 PM] Mexican Fire Opal Loose Stone 0.729ct
Sale price¥8,800
[On sale June 21, 10 PM JST] Tanzania Zircon 3.643ct Loose Stone
Sale price¥22,800
【On sale June 14, 10 PM】Spanish Andalusite 0.416ct Loose Stone
Sale price¥9,800
Australian Black Opal 1.080ct Loose
Sale price¥39,800
0.755 ct Loose Australian Black Opal
Sale price¥12,800
0.520ct Loose Australian Black Opal
Sale price¥13,800
Australian Black Opal 0.424ct Loose Stone
Sale price¥12,800
Unheated Pink Imperial Topaz (Sherry Pink) 0.220ct Loose Gemstone
Sale price¥13,800
[On sale June 17th, 10 PM] Tanzanian Tanzanite 0.372ct Loose Stone
Sale price¥14,800
Lapis Lazuli 0.874ct Loose Gemstone
Sale price¥11,000
Lapis Lazuli 3.394ct Loose Stone
Sale price¥13,800
Brazilian Santa Maria Aquamarine 0.183ct Loose Stone with Certification
Sale price¥12,800
Nigerian cobalt-bearing gahnite, 0.122 ct, loose, with lab report
Sale price¥18,800
[Available June 18th at 10 PM] [Colorful] K18WG Diamond 1.03ct Pendant Top
Sale price¥128,000
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
[12550851] 2.944ct Mozambique pink tourmaline loose stone
Sale price¥39,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12550865] 0.203ct loose zoisite from Tanzania
Sale price¥5,980
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥8,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
Mica in Quartz 0.758ct Loose Stone
Sale price¥5,980
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥15,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Brazilian dendritic quartz 4.587ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.968ct loose stone
Sale price¥18,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥9,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.682ct Loose
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.