Pink tourmaline 0.620ct loose (Asscher cut)
Sale price¥8,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Jeremejevite from Namibia (Elemejevite) 0.382ct loose
Sale price¥128,000
Synthetic alexandrite 1.680ct loose
Sale price¥25,800
Pink sapphire 0.934ct loose
Sale price¥19,800
[KEN] Scapolite 1.780ct loose
Sale price¥12,800
[Mr. KEN] Oregon Sunstone 0.980ct Loose
Sale price¥15,800
[Mr. KEN] Oregon Sunstone 0.950ct Loose
Sale price¥9,800
[KEN] Play night 5.550ct loose
Sale price¥8,800
[Mr. KEN] Mexican fire opal 1.580ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.330ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.610ct loose
Sale price¥35,800
[KEN] Blue zircon 1.280ct loose
Sale price¥8,800
[KEN] Blue zircon 1.340ct loose
Sale price¥9,800
[Mr. KEN] Cambodian blue zircon 1.410ct loose
Sale price¥12,800
[KEN] Cambodian blue zircon 1.380ct loose
Sale price¥8,800
[Mr. KEN] Burmese purple spinel 0.60ct loose
Sale price¥9,800
[KEN] Violet spinel 0.580ct loose
Sale price¥6,980
[KEN] Purple spinel 0.710ct loose
Sale price¥9,800
[Sakura Incut] Citrine 10mm《Collaboration》Loose with emblem
Sale price¥25,800
Aventurine aquamarine 0.480ct loose
Sale price¥8,800
Taaffeite 0.277ct Ruth Japanese and German
Sale price¥55,800
Taaffeite 0.201ct Ruth Japanese and German
Sale price¥39,800
[Mr. KEN] Orthoclase 3.711ct Ruth Japanese-German Edition
Sale price¥19,800
[KEN] Montana Sapphire 4mm/0.330ct loose
Sale price¥7,980
[KEN] Andesine 0.720ct loose
Sale price¥6,980
[KEN] Andesine 2.450ct loose
Sale price¥19,800
[Mr. KEN] Oregon Sunstone 1.100ct Loose
Sale price¥9,800
Brazilian pink euclase 1.259ct loose
Sale price¥498,000
Non-oil red beryl 0.200ct loose GIA
Sale price¥188,000
Fire opal 3.160ct loose
Sale price¥39,800
Aquamarine 68.040ct loose
Sale price¥39,800
Bicolor tourmaline 7.445ct loose
Sale price¥69,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥15,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥15,800
Bicolor tourmaline 1.050ct loose
Sale price¥12,800
Bicolor tourmaline 0.780ct loose
Sale price¥14,800
Color change Andesine 1.67ct loose
Sale price¥25,800
Hackmanite 0.100ct loose
Sale price¥8,800
Dioptase from Namibia 0.121ct loose Japanese-German book
Sale price¥69,800
Burmese forsterite 0.655ct loose Japanese-German book
Sale price¥24,800
Forsterite from Burma 0.887ct Ruth Japanese German edition
Sale price¥24,800
Ruby from Burma 3.72ct loose GIA
Sale price¥198,000
Purple sapphire 0.313ct loose
Sale price¥8,800
Purple sapphire 0.220ct loose
Sale price¥4,980
Purple sapphire 0.240ct 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.
