Strawberry quartz 22.355ct loose
Sale price¥16,800
Strawberry quartz 10.404ct loose
Sale price¥9,800
Sphene 4.208ct loose
Sale price¥79,800
South African rhodochrosite 0.680ct loose
Sale price¥69,800
Star garnet 11.280ct loose (6 rows)
Sale price¥5,980
Star garnet 11.440ct loose (6 rows)
Sale price¥6,980
[Cat cut] Rose quartz/moonstone 2 stone set 6mm loose
Sale price¥8,800
[E_27 Yurakucho Marui Take-out] Russian Oil-Free Emerald 0.840ct Loose GIA
Sale price¥248,000
Yellow tourmaline 0.280ct loose
Sale price¥5,980
British Rosary Fluorite 1.160ct loose
Sale price¥6,980
Zircon 1.160ct loose
Sale price¥6,980
Orange zircon 1.310ct loose
Sale price¥6,980
Zircon 1.590ct loose
Sale price¥6,980
Yellow tourmaline 0.600ct loose stone
Sale price¥6,980
Mint color tourmaline 0.620ct loose stone
Sale price¥5,980
Yellow tourmaline 0.660ct loose stone
Sale price¥8,800
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥49,800
[Konpeito] Fluorite 4.480ct loose
Sale price¥24,800
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥39,800
Blue tourmaline 3 stone set 0.620ct loose
Sale price¥9,800
Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS
Sale price¥128,000
Red beryl 0.310ct loose
Sale price¥45,800
Brazilian pink imperial topaz 0.158ct loose
Sale price¥12,800
Brazilian pink imperial topaz 0.391ct loose
Sale price¥39,800
Imperial topaz 0.740ct loose
Sale price¥25,800
Brazilian Paraiba tourmaline in quartz 1.311ct loose
Sale price¥12,800
Trapiche emerald 1.284ct loose
Sale price¥15,800
Trapiche emerald 1.319ct loose
Sale price¥12,800
Rainbow Scapolite 2.066ct loose
Sale price¥15,800
Rainbow Scapolite 2.276ct loose
Sale price¥19,800
Rainbow Scapolite 2.353ct loose
Sale price¥19,800
Color change Andesine 0.920ct loose
Sale price¥22,800
Amazon green opal 1.460ct loose
Sale price¥4,980
Amazon green opal 2.610ct loose
Sale price¥8,800
Amazon green opal 1.670ct loose
Sale price¥5,980
Cornerpine (prismatine) 0.413ct loose Japanese-German book
Sale price¥55,800
Cornelpine (prismatine) 0.276ct loose Japanese-German version
Sale price¥59,800
Cornell pin from Sri Lanka 7.5mm/1.370ct loose
Sale price¥6,980
Bicolor sapphire from Tanzania 1.680ct loose (Windsor sapphire)
Sale price¥9,800
Mexican fire opal 0.740ct loose
Sale price¥11,800
African Tourmaline 0.374ct Loose Stone
Sale price¥3,980
African Tourmaline 0.709ct Loose Stone
Sale price¥4,980
African Tourmaline 0.767ct Loose Stone
Sale price¥3,980
Medusa Quartz (Paraiba Quartz) 3.890ct loose
Sale price¥14,800
Star sapphire 0.768ct loose
Sale price¥3,980
Amazon green opal 1.330ct loose
Sale price¥5,980
Amazon green opal 1.530ct loose
Sale price¥5,980

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.