Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥79,800
[Dandelion cut] Morganite 7mm/1.02ct loose with patch
Sale price¥55,800
White topaz 1.90ct loose
Sale price¥6,980
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥148,000
UV type mint garnet 0.530ct loose
Sale price¥7,980
UV type mint garnet 0.510ct loose
Sale price¥7,980
UV type mint garnet 0.450ct loose
Sale price¥6,980
Cornerpine 0.730ct rough stone
Sale price¥4,980
Synthetic moissanite 1.690ct loose
Sale price¥5,980
Synthetic moissanite 1.680ct loose
Sale price¥5,980
Apatite cat's eye 1.369ct loose
Sale price¥19,800
Apatite cat's eye 1.734ct loose
Sale price¥19,800
Apatite cat's eye 1.248ct loose
Sale price¥19,800
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.193ct loose
Sale price¥9,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.148ct loose stone
Sale price¥15,800
Aquamarine 1.850ct loose
Sale price¥5,980
[Mr. KEN] Burmese bicolor spinel 0.366ct loose
Sale price¥15,800
Bicolor spinel 1.23ct loose
Sale price¥79,800
{Yurakucho Marui 2024112 takeout} Bicolor spinel 1.17ct loose stone
Sale price¥79,800
Red Beryl 0.288ct Ruth Japanese/Germany
Sale price¥39,800
Red beryl 0.203ct loose
Sale price¥29,800
Red beryl 0.195ct loose with Japanese and German
Sale price¥34,800
Red beryl 0.280ct loose with Japanese and German
Sale price¥45,800
UV type grossular garnet 0.81ct loose
Sale price¥14,800
Cornel pin cat's eye 0.59ct loose
Sale price¥6,980
Bicolor Benitoite 3.2mm/0.22ct loose
Sale price¥98,000
Cobalt Garnite 0.122ct loose
Sale price¥18,800
[Mr. KEN] Purple Spinel 3.5mm Loose (Rose Cut)
Sale price¥3,980
Purple spinel 3.5mm loose (rose cut)
Sale price¥3,980
[KEN] Mint color tourmaline 4mm loose (rose cut)
Sale price¥6,980
Green tourmaline 4mm loose (rose cut)
Sale price¥3,980
[KEN] Bicolor tourmaline 5mm loose
Sale price¥6,980
Iolite sunstone 0.81ct loose
Sale price¥15,800
Iolite 0.46ct loose
Sale price¥4,980
[Mr. KEN] Purple Spinel 3.5mm Loose (Rose Cut)
Sale price¥3,980
Green Beryl 1.45ct loose
Sale price¥12,800
[Mr. KEN] Oregon Sunstone 1.020ct Loose (Phantom Cut)
Sale price¥9,800
Unheated bicolor Paraiba tourmaline 0.105ct loose stone GIA
Sale price¥198,000
Apatite cat's eye 1.923ct loose
Sale price¥25,800
Apatite cat's eye 1.951ct loose
Sale price¥29,800
[Mr. KEN] Ametrine 0.860ct loose from Madagascar
Sale price¥6,980
Oregon Sunstone 5mm loose (rose cut)
Sale price¥6,980
Oregon sunstone 5mm loose (rose cut)
Sale price¥5,980
Oregon Sunstone 4mm loose (rose cut)
Sale price¥3,980
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.