Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Brazilian Imperial Topaz 0.744ct Loose Stone
Sale price¥12,800
[E_27 Yurakucho Marui take-out] Colombian emerald 1.140ct rough stone
Sale price¥19,800
[E_27 Yurakucho Marui Take-out] Opal 0.459ct loose (egg-in opal)
Sale price¥8,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥15,800
Salt and pepper diamond 0.348ct loose
Sale price¥39,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥6,980
Brazilian Pink Tourmaline 0.561ct Loose Stone
Sale price¥9,800
Brazilian pink tourmaline 0.968ct loose stone
Sale price¥25,800
Sky blue topaz 0.830ct loose stone
Sale price¥6,980
Cambodian Blue Zircon 0.744ct Loose Stone
Sale price¥8,800
Mozambique Rubellite 0.410ct Loose Stone
Sale price¥15,800
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
Purple spinel 0.697ct loose stone
Sale price¥14,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Morganite 0.379ct loose stone
Sale price¥8,800
Goshenite 0.846ct loose stone
Sale price¥8,800
Bulgarian Green Sphalerite 0.579ct Loose Stone
Sale price¥148,000
Australian black opal 0.388ct loose stone
Sale price¥12,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Tanzanian Chrome Tourmaline 0.728ct Loose Stone
Sale price¥7,980
Tanzanian Chrome Tourmaline 0.753ct Loose Stone
Sale price¥6,980
Brazilian bicolor tourmaline 1.538ct loose stone
Sale price¥39,800
[E_27 Yurakucho Marui Takeout] Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Colombian emerald 0.575ct rough stone
Sale price¥12,800
Mica in Quartz 0.736ct loose stone
Sale price¥6,980
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Australian black opal 0.650ct loose
Sale price¥18,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.