Paraiba tourmaline from Brazil 0.079ct loose
Sale price¥23,800
Paraiba tourmaline from Brazil 0.144ct loose
Sale price¥43,800
Paraiba tourmaline from Brazil 0.064ct loose
Sale price¥16,800
Paraiba tourmaline from Brazil 0.091ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.075ct loose
Sale price¥15,800
FANCY VIVID ORANGY YELLOW, SI-2
Sale price¥59,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Pink sapphire 0.881ct loose
Sale price¥18,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.171ct loose
Sale price¥22,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.222ct loose
Sale price¥29,800
Pink diamond 0.063ct loose (FANCY INTENSE PURPLE PINK, I-1)
Sale price¥138,000
Pink diamond 0.067ct loose (FANCY INTENSE PURPLE PINK, I-1)
Sale price¥148,000
Mint green sapphire 0.348ct loose
Sale price¥12,800
[Mr. Sanjay] Mint color tourmaline 0.115ct loose
Sale price¥5,980
[Mr. Sanjay] Mint color tourmaline 0.198ct loose
Sale price¥5,980
[Mr. Sanjay] Mint color tourmaline 0.229ct loose
Sale price¥5,980
[Mr. Sanjay] Pink tourmaline 0.205ct loose
Sale price¥5,980
Russian demantoid garnet (horsetail recognized) 0.310ct loose
Sale price¥59,800
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥14,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.249ct loose
Sale price¥12,800
Bicolor sapphire from Madagascar 0.293ct loose
Sale price¥18,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.200ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.231ct loose
Sale price¥18,800
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥9,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥12,800
[Koshu precious stone Kiriko plusthree] Rubellite 1.809ct loose
Sale price¥39,800
[Koshu precious stone Kiriko plusthree] Green tourmaline 1.880ct loose
Sale price¥35,800
[Koshu precious stone Kiriko plusthree] Green tourmaline 3.322ct loose
Sale price¥39,800
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Tourmaline cat's eye 0.910ct loose
Sale price¥6,980
Russian demantoid garnet 3.2mm/0.200ct loose
Sale price¥15,800
Bicolor sapphire 0.335ct loose
Sale price¥9,800
Opal 6mm/0.595ct loose (rose cut)
Sale price¥9,800
[KEN] Citrine 0.833ct loose
Sale price¥3,980
《Yurakucho Marui 2024112 takeout》【KEN】Citrine 1.216ct loose stone
Sale price¥4,980
《Yurakucho Marui 2024112 takeout》 [KEN] Citrine 1.250ct loose stone
Sale price¥5,980
American peridot 1.353ct loose
Sale price¥9,800
Amethyst 8.044ct loose
Sale price¥6,980
Yellow sapphire 5mm/0.572ct loose
Sale price¥5,980
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.
