Grace Spinel 0.384ct Loose
Sale price¥9,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Brazilian bicolor euclase 0.286ct loose stone
Sale price¥8,800
Brazilian Alexandrite 0.180ct Loose GIA
Sale price¥55,800
Vietnam unheated silky pink sapphire 0.421ct loose stone
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Russian Phenakite 5mm/0.477ct Loose Stone
Sale price¥18,800
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
[10/2 22:00 Sale] Nigerian Cobalt Garnite 0.707ct Loose Stone JTL Grade
Sale price¥29,800
Bulgarian Green Sphalerite 0.403ct Loose Stone
Sale price¥69,800
Brazilian Paraiba Tourmaline 0.202ct loose stone (CuO: 0.6%, MnO: 0.1%)
Sale price¥55,800
Namibian Jeremejevite 0.206ct loose stone
Sale price¥55,800
Madagascar Padparadscha Sapphire 4.3mm/0.345ct Loose DGL
Sale price¥55,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.258ct loose stone
Sale price¥29,800
Grandidierite from Madagascar 0.278ct loose stone
Sale price¥98,000
Madagascar sphene 0.423ct loose stone
Sale price¥6,980
Madagascar sphene 0.266ct loose stone
Sale price¥3,980
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Silky pink sapphire from Madagascar 0.310ct loose stone
Sale price¥9,800
Goshenite 0.306ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.416ct loose stone
Sale price¥8,800
Unheated Padparadscha Sapphire from Madagascar 0.250ct Loose
Sale price¥55,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Tanzania Purple Zoisite 0.197ct Loose Stone
Sale price¥15,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Manganotantalite 0.736ct loose stone from Japan and Germany
Sale price¥158,000
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Pigeon Blood Ruby 0.44ct Ruby AIGS
Sale price¥55,800
Pigeon Blood Ruby 0.40ct Loose AIGS
Sale price¥49,800
Pigeon Blood Ruby 0.32ct Loose AIGS
Sale price¥49,800
Pigeon Blood Ruby 0.38ct Loose AIGS
Sale price¥59,800
Oregon Sunstone from the United States 4.7mm/0.336ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Nigerian Yellow Beryl (Heliodor) 4mm/0.188ct Loose Stone
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.