K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
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 Pink Tourmaline 0.302ct Kornelupine Ring
Sale price¥79,800
Pt950 Burmese Ruby 0.21ct Ruby Ring
Sale price¥98,000
Brazilian Paraiba Tourmaline 1.459ct rough stone
Sale price¥59,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
[Sakura Shape] Indian Iolite 7mm/1.257ct Loose Stone Patch
Sale price¥39,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Afghanistan Scapolite 0.501ct loose stone (purple fluorescence)
Sale price¥7,980
Indian Alexandrite Cat's Eye 0.528ct Loose Stone
Sale price¥15,800
Spanish Sphalerite 8mm/2.679ct loose stone
Sale price¥38,800
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
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
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
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 1.101ct Loose
Sale price¥19,800
Synthetic Moissanite 10mm/4.121ct Loose Stone (Portuguese Cut)
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Australian black opal 1.015ct loose
Sale price¥19,800
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%)
Sale price¥98,000
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Salt and pepper diamond 0.369ct loose
Sale price¥39,800
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Oligoclase 41.120ct rough stone
Sale price¥6,980
Canadian Catapleite 0.298ct Loose Stone, Japan-Germany Mirror
Sale price¥49,800
[On sale at 10pm on 7/29] Almandine Garnet 1.837ct loose stone
Sale price¥15,800
Russian rough diamond (sawable) 0.098ct loose
Sale price¥24,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
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.
