[Mr. Sanjay] Strontium titanate 5mm/0.688ct loose
Sale price¥15,800
[Mr. Sanjay] Strontium titanate 4.2mm/0.410ct loose
Sale price¥12,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥358,000
[Mr. Sanjay] YAG (yttrium aluminum garnet) 7mm/1.775ct loose
Sale price¥12,800
Brazilian pink euclase 0.160ct loose Japanese-German edition
Sale price¥118,000
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥79,800
[Mr. Sanjay] Labradorite 2 stone set 0.898ct loose
Sale price¥3,980
Paraiba tourmaline from Mozambique 0.272ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.596ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.273ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.228ct loose
Sale price¥12,800
Ethiopian opal 6.181ct loose
Sale price¥19,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥15,800
Color change Andesine 6mm/0.753ct loose
Sale price¥15,800
Bicolor Andesine 6mm/0.691ct loose
Sale price¥15,800
Pink spinel 0.409ct loose
Sale price¥8,800
Purple spinel 0.632ct loose
Sale price¥8,800
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥88,800
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥598,000
Russian demantoid garnet (horsetail recognized) 0.112ct rough stone
Sale price¥5,980
Unheated Burmese pink spinel 1.430ct loose stone AIGS
Sale price¥188,000
[Konpeito] Fluorite 4.490ct loose
Sale price¥22,800
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥18,800
Australian boulder opal 3.695ct loose
Sale price¥15,800
Australian boulder opal 1.552ct loose
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥12,800
Sri Lankan star sapphire 1.164ct loose
Sale price¥12,800
Australian boulder opal 2.470ct loose
Sale price¥8,800
Australian boulder opal 4.729ct loose
Sale price¥19,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥5,980
Unheated silky pink sapphire from Vietnam 0.282ct loose
Sale price¥7,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.180ct loose
Sale price¥25,800
Scapolite Cat's Eye 9.733ct Loose
Sale price¥8,800
Quartz 96.732ct loose (explosion crystal)
Sale price¥4,980
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.367ct loose
Sale price¥19,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.881ct loose
Sale price¥25,800
Bicolor tanzanite 0.479ct loose
Sale price¥24,800
Bicolor tanzanite 0.345ct loose
Sale price¥19,800
Sphene 2.770ct loose
Sale price¥59,800
Sphene 2.074ct loose
Sale price¥49,800
Spinel 1.680ct loose
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 5.2mm/0.702ct loose
Sale price¥228,000
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.