Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 4.0mm/0.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 4.0mm/0.204ct loose stone
Sale price¥6,980
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Kenyan Gold Sheen Sapphire 3.5mm/0.264ct Loose Stone
Sale price¥22,800
Kenyan Gold Sheen Sapphire 4.0mm/0.305ct Loose Stone (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 3.9mm/0.298ct Loose (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 0.308ct Loose
Sale price¥12,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Pompon Quartz (Radiated Crystal in Quartz) 7.686ct Loose
Sale price¥15,800
Madagascar sphene 4.161ct loose stone
Sale price¥69,800
Australian Boulder Opal 0.768ct Loose
Sale price¥12,800
Tanzanian pink zircon 3.069ct loose stone
Sale price¥49,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
[E_27 Yurakucho Marui Takeout] [12554755] Australian Opal 1.390ct Loose
Sale price¥12,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Cassiterite 1.658ct loose stone (bicolor cassiterite) Japan-Germany exchange
Sale price¥128,000
[Clover in cut] Oregon Sunstone 7mm/1.092ct {Collaboration} Loose patch
Sale price¥39,800
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 1.132ct loose stone
Sale price¥15,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Mexican Cantera Opal 5.204ct Loose
Sale price¥12,800
[Camellia Cut] Oregon Sunstone 14mm/2.102ct {Collaboration} Loose Patch
Sale price¥79,800

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.