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
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥98,000
Hemimorphite 34.490ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.306ct loose (CuO:0.8%, MnO:2.7%)
Sale price¥69,800
[KEN] Oregon Sunstone 0.983ct loose
Sale price¥9,800
[KEN] Pink tourmaline 0.516ct loose
Sale price¥6,980
[Mr. KEN] Oregon Sunstone 0.715ct Loose
Sale price¥12,800
[KEN] Pink tourmaline 4.0mm/0.300ct loose
Sale price¥6,980
[KEN] Fire opal from Mexico 1.150ct loose
Sale price¥39,800
[Mr. KEN] Oregon Sunstone 1.333ct Ruth
Sale price¥12,800
[Mr. KEN] Blue Zircon (Ratanakiri Blue) 0.843ct loose
Sale price¥12,800
[Mr. KEN] Blue Zircon (Ratanakiri Blue) 1.974ct loose
Sale price¥19,800
Colombian pyrite/mica in emerald 6.145ct loose
Sale price¥158,000
[Mr. KEN] Purple Spinel 0.595ct Loose
Sale price¥12,800
[Mr. KEN] Oregon Sunstone 1.091ct Ruth
Sale price¥19,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥128,000
[Mr. Sanjay] Cambodian blue zircon (Ratanakiri blue) 2.143ct loose
Sale price¥29,800
[Mr. Sanjay] Cambodian blue zircon (Ratanakiri blue) 2.567ct loose
Sale price¥35,800
Sapphire 0.643ct loose (color shift)
Sale price¥14,800
Sapphire 0.662ct loose
Sale price¥12,800
Sapphire 0.676ct loose (color shift)
Sale price¥16,800
Green sapphire 0.518ct loose (teal green)
Sale price¥9,800
Color change sapphire 0.946ct loose stone from Yurakucho Marui 2024112
Sale price¥39,800
Pink sapphire from Mozambique 0.213ct loose (hot pink sapphire)
Sale price¥14,800
Paraiba tourmaline from Mozambique 0.243ct loose
Sale price¥19,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.423ct loose
Sale price¥22,800
Unheated silky pink sapphire from Vietnam 0.381ct loose
Sale price¥19,800
Unheated silky pink sapphire from Vietnam 0.376ct loose
Sale price¥14,800
Idoclace from Kenya 6mm/0.968ct loose (vesuvianite)
Sale price¥8,800
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.
