Unheated Padparadscha Sapphire from Madagascar 0.250ct Loose
Sale price¥55,800
Unheated Padparadscha Sapphire from Madagascar 0.150ct Loose
Sale price¥39,800
Unheated Padparadscha Sapphire from Madagascar 0.150ct Loose GIA
Sale price¥35,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Golden sapphire 0.269ct loose stone
Sale price¥16,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Montana Sapphire 0.228ct Loose (Yellow Sapphire)
Sale price¥7,980
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Colombian oil-free emerald 0.060ct loose stone GIA
Sale price¥65,800
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Sri Lankan Star Sapphire 5.225ct Loose
Sale price¥98,000
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Pink diamond 0.072ct loose (FANCY DEEP PURPLE PINK, I1)
Sale price¥69,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
Russian Diamond Rough (Sawable) 0.105ct Loose (Trigon)
Sale price¥28,800
Pt950 Diamond (Cabochon Cut) 0.131ct Ring
Sale price¥158,000
K18 Madagascar sphene 0.48ct, green diamond, opal pendant (necklace)
Sale price¥98,000
K18YG Australian black opal 0.736ct diamond ring
Sale price¥98,000
Pt950 South Sea pearl 9.586ct, alexandrite, kornerupine, diamond ring
Sale price¥198,000
Pt950 Burmese Ruby 0.21ct Ruby Ring
Sale price¥98,000
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Sri Lankan Yellow Sapphire 0.555ct Loose
Sale price¥12,800
Montana Sapphire 0.244ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Montana Sapphire 0.325ct Loose (Orange Sapphire)
Sale price¥8,800
Montana Sapphire 0.261ct Loose (Green Sapphire)
Sale price¥8,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Montana Sapphire 0.294ct Loose (Green Sapphire)
Sale price¥9,800
Montana Sapphire 0.270ct Loose (Blue Sapphire)
Sale price¥9,800
Sri Lankan Yellow Sapphire 1.101ct Loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Australian black opal 1.015ct loose
Sale price¥19,800
Salt and pepper diamond 0.369ct loose
Sale price¥39,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Colombian emerald with pyrite 0.984ct rough
Sale price¥12,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
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.
