Montana Sapphire 0.254ct loose
Sale price¥9,800
Montana Sapphire 0.238ct loose
Sale price¥7,980
Montana Sapphire 0.285ct Loose (Yellow Sapphire)
Sale price¥9,800
Montana Sapphire 0.312ct loose
Sale price¥9,800
Montana Sapphire 0.262ct Loose (Bi-Color Sapphire)
Sale price¥9,800
Yellow sapphire 0.464ct loose
Sale price¥12,800
Yellow sapphire 0.315ct loose
Sale price¥6,980
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.445ct loose
Sale price¥8,800
Mozambique Pink Sapphire 0.267ct Loose (Hot Pink Sapphire)
Sale price¥11,000
Montana Sapphire 0.206ct Loose (Blue Sapphire)
Sale price¥9,800
Montana Sapphire 0.278ct Loose (Yellow Sapphire)
Sale price¥8,800
Montana Sapphire 0.212ct Loose (Blue Sapphire)
Sale price¥9,800
Montana Sapphire 0.291ct Loose (Yellow Sapphire)
Sale price¥9,800
Green Sapphire 0.299ct Loose (Silky Sapphire)
Sale price¥3,980
K18 Orange Sapphire 1.980ct Pink Diamond Ring DGL Appraisal
Sale price¥198,000
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
Vietnam unheated silky pink sapphire 0.437ct loose stone
Sale price¥14,800
Vietnam unheated silky pink sapphire 0.256ct loose stone
Sale price¥8,800
Vietnam unheated silky pink sapphire 0.178ct loose stone
Sale price¥5,980
Vietnam unheated silky pink sapphire 0.354ct loose stone
Sale price¥9,800
0.372ct loose purple sapphire from Windsor, Tanzania
Sale price¥14,800
[E_27 Yurakucho Marui Takeout] Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Windsor Sapphire 0.405ct loose stone from Windsor, Tanzania
Sale price¥16,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
[E_27 Yurakucho Marui Takeout] Royal Blue Sapphire 1.010ct Loose AIGS
Sale price¥198,000
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥9,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Mozambique Pink Sapphire 0.377ct Loose (Hot Pink Sapphire)
Sale price¥15,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
[E_27 Yurakucho Marui take-out] Purple sapphire 0.364ct loose stone
Sale price¥16,800
Violet sapphire 0.267ct loose stone
Sale price¥14,800
White sapphire 0.263ct loose stone
Sale price¥15,800
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Padparadscha Sapphire 0.497ct Loose DGL
Sale price¥59,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980

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.