Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Bicolor tourmaline 0.961ct loose
Sale price¥25,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Brazilian Paraiba tourmaline in quartz 1.815ct loose
Sale price¥55,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
[Camellia Cut] Ametrine 14mm/8.308ct Loose Stone
Sale price¥89,800
[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch
Sale price¥98,000
[Dandelion cut] Green moonstone 14mm/9.081ct loose (5 petals)
Sale price¥59,800
[Camellia cut] Ametrine 11mm/4.163ct loose with patch
Sale price¥49,800
[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose
Sale price¥98,000
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥49,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥15,800
Brazilian aquamarine in quartz 9.290ct raw stone
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 0.119ct loose
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 0.141ct loose
Sale price¥39,800
Tanzanite 5mm/0.572ct loose stone (sugarloaf cut)
Sale price¥9,800
Tanzanite 0.520ct loose (sugar loaf cut)
Sale price¥9,800
Tanzanite 0.530ct loose (sugar loaf cut)
Sale price¥9,800
Tanzanite 5mm/0.647ct loose stone (sugarloaf cut)
Sale price¥9,800
Tanzanite 5mm/0.535ct loose stone (sugarloaf cut)
Sale price¥9,800
Australian shell opal 53.277ct rough stone
Sale price¥59,800
Diamond 0.115ct loose (F, VS-1, trapeze cut)
Sale price¥19,800
Yellow sapphire 0.445ct loose
Sale price¥8,800
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.202ct loose
Sale price¥5,980
Yellow sapphire 0.315ct loose
Sale price¥6,980
[Mr. Sanjay] Yellow sapphire 0.464ct loose
Sale price¥12,800
Brazilian Santa Maria Aquamarine 0.181ct loose
Sale price¥6,980
Santa Maria Aquamarine from Brazil 0.189ct loose
Sale price¥5,980
Brazilian Santa Maria Aquamarine 0.103ct loose stone
Sale price¥4,980
Montana Sapphire 0.262ct Loose (Bi-Color Sapphire)
Sale price¥9,800
Montana Sapphire 0.312ct loose
Sale price¥9,800
Montana Sapphire 0.285ct Loose (Yellow Sapphire)
Sale price¥9,800
Montana Sapphire 0.238ct loose
Sale price¥7,980
Montana Sapphire 0.254ct loose
Sale price¥9,800
Montana Sapphire 0.244ct Loose (Orange Sapphire)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.782ct Loose
Sale price¥14,800
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.