Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Myanmar Pink Taaffeite 1.232ct Loose GIT
Sale price¥25,800
[Clover in cut] Oregon Sunstone 7mm/1.092ct {Collaboration} Loose patch
Sale price¥39,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
South African Rhodochrosite 0.990ct Loose Stone by Nikkei
Sale price¥128,000
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.182ct Loose Stone
Sale price¥8,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Tanzania gray spinel 0.889ct loose stone
Sale price¥19,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.355ct Loose Stone
Sale price¥6,980
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥9,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.471ct Loose Stone
Sale price¥15,800
[E_27 Yurakucho Marui Take-out] Almandine Garnet 1.388ct Loose
Sale price¥12,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
[E_27 Yurakucho Marui Takeout] Cornflower Blue Sapphire 1.080ct Loose AIGS
Sale price¥158,000
Tanzanian Rhodolite Garnet 0.775ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800

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.