Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Tanzanite from Tanzania 6.006ct loose stone
Sale price¥228,000
[Camellia Cut] Brazilian Ametrine 4.293ct [Collaboration] Loose Patch
Sale price¥49,800
Peruvian Blue Opal 2.530ct Loose
Sale price¥19,800
Vietnam unheated silky pink sapphire 0.421ct loose stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥49,800
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
《Yurakucho Marui 2024112 takeout》K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
《Yurakucho Marui 2024112 take-out》K18YG red beryl 0.103ct pink diamond ring
Sale price¥128,000
Australian black opal 0.675ct loose stone
Sale price¥24,800
Madagascar Purple Sapphire 0.232ct Loose
Sale price¥12,800
Australian Boulder Opal 0.768ct Loose
Sale price¥12,800
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Colombian emerald cat's eye 0.690ct loose stone
Sale price¥39,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Brazilian Paraiba Tourmaline 0.208ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Tanzanian bicolor sapphire 0.818ct loose stone (tricolor sapphire)
Sale price¥198,000
Diamond 3.6mm/0.189ct loose (cabochon cut, bicolor fluorescent)
Sale price¥49,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Colombian Mica in Emerald 0.341ct Loose Stone
Sale price¥18,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
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.