Today's new arrivals

[E_27 Yurakucho Marui Take-out] Brazilian Alexandrite 0.519ct Loose Stone (Sugarloaf Cut) Sale price¥358,000

[E_27 Yurakucho Marui Take-out] Non-Oil Emerald 1.070ct Loose Gübelin Certificate Sale price¥698,000

【さくらシェイプ】ブラジル産インペリアルトパーズ（シェリーカラー） 6.3mm/1.084ct《コラボ》ルースワッペン

[Sakura Shape] Brazilian Imperial Topaz (Shelly Color) 6.3mm/1.084ct {Collaboration} Loose Patch Sale price¥79,800

【さくらシェイプ】アメリカ産オレゴンサンストーン 7.3mm/1.361ct《コラボ》ルースワッペン

Lottery Sale ⑤ [Lottery Sale 0928] [Published on 12555057] [Sakura Shape] Oregon Sunstone from the United States 7.3mm/1.361ct Loose Stone Sale price¥69,800

[E_27 Yurakucho Marui] Pt900/Pt850 Australian black opal 0.37ct, diamond 0.73ct necklace Sale price¥198,000

[E_27 Yurakucho Marui Take-out] Myanmar Ruby 0.283ct Loose Sale price¥29,800

[E_27 Yurakucho Marui Take-out] Brazilian Platinum Rutile Quartz (Brookite in Quartz) 1.492ct Loose Sale price¥9,800

[E_27 Yurakucho Marui Take-out] Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Sale price¥39,800

[E_27 Yurakucho Marui] Silky Diamond 3.5mm/0.178ct Loose Sale price¥19,800

[E_27 Yurakucho Marui Take-out] Ruby 0.248ct Loose Sale price¥12,800

[E_27 Yurakucho Marui Takeout] Brazilian Bicolor Tourmaline 3.282ct Loose Sale price¥59,800

[E_27 Yurakucho Marui Take-out] Russian Oil-Free Emerald 0.640ct Loose GIA Sale price¥198,000

[E_27 Yurakucho Marui Take-out] Cambodian Colorless Zircon 0.533ct Loose Sale price¥5,980

American Wulfenite 2.610ct loose stone Sale price¥298,000

[E_27 Yurakucho Marui Take-out] Brazilian Quartz in Quartz 10.349ct Loose Sale price¥15,800

[E_27 Yurakucho Marui Takeout] Oregon Sunstone from the United States 0.372ct Loose Sale price¥12,800

[E_27 Yurakucho Marui Take-out] Andesine Labradorite (also known as Blue Moonstone) 1.096ct Loose Sale price¥45,800

[E_27 Yurakucho Marui] Diamond (cabochon cut) 0.366ct loose Sale price¥59,800

[E_27 Yurakucho Marui Take-out] Mozambique Aquamarine 3.301ct Loose Sale price¥59,800

[E_27 Yurakucho Marui Take-out] Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose Sale price¥54,800

Tanzanian Mandarin Garnet 0.383ct Loose Stone Sale price¥19,800

[E_27 Yurakucho Marui Take-out] Myanmar Podrettite 0.834ct loose stone Sale price¥298,000

ノンオイルエメラルド 1.030ctルースグベリングベリン（Gübelin）鑑別書

Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate Sale price¥698,000

[E_27 Yurakucho Marui Take-out] Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon) Sale price¥98,000

[E_27 Yurakucho Marui] Padparadscha Sapphire 0.548ct Loose DGL Sale price¥49,800

[E_27 Yurakucho Marui] Diamond 0.171ct loose stone (E, VS2, radiant cut) Sale price¥35,800

[E_27 Yurakucho Marui Takeout] K18PG Unheated Brazilian Paraiba Tourmaline 0.10ct Ring AIGS Sale price¥228,000

[E_27 Yurakucho Marui Take-out] Pt950 American Orange Benitoite 0.072ct Benitoite Ring Sale price¥158,000

[E_27 Yurakucho Marui Take-out] Pt950 American orange benitoite 0.076ct benitoite ring Sale price¥98,000

[E_27 Yurakucho Marui Takeout] Pt950 Brazilian Paraiba Tourmaline 0.201ct Pendant (Necklace) Sale price¥128,000

[E_27 Yurakucho Marui Take-out] K18PG American Benitoite 0.19ct Tanzanite Ring Sale price¥98,000

[E_27 Yurakucho Marui] K18YG Pink Diamond 0.068ct Ring (FANCY LIGHT PINK, SI-2) Sale price¥128,000

[E_27 Yurakucho Marui Take-out] K18YG Sri Lankan chrysoberyl cat's eye 0.69ct chrysoprase ring Sale price¥79,800

[E_27 Yurakucho Marui Take-out] Indian Moss Agate 0.663ct Loose Stone Sale price¥8,800

[E_27 Yurakucho Marui Take-out] Brazilian Sky Blue Topaz 1.604ct Loose Sale price¥9,800

[E_27 Yurakucho Marui] Blue Sapphire 5.616ct Loose Stone, Japan-German Index, Featured in the Gemstone Encyclopedia Sale price¥498,000

[E_27 Yurakucho Marui Takeout] Bicolor Tourmaline 1.639ct Loose Sale price¥29,800

Brazilian bicolor euclase 0.168ct loose stone Sale price¥25,800

[E_27 Yurakucho Marui Take-out] Tanzanite from Tanzania 0.482ct loose stone (princess cut) Sale price¥18,800

Tanzanite from Tanzania 1.140ct loose stone Sale price¥39,800

[E_27 Yurakucho Marui] Oregon Sunstone from the United States 6mm/0.849ct loose stone Sale price¥22,800

[E_27 Yurakucho Marui Take-out] Tanzanite from Tanzania 0.789ct loose stone Sale price¥18,800

Brazilian Green Tourmaline 0.757ct Loose Stone Sale price¥39,800

[E_27 Yurakucho Marui Take-out] Tanzanite from Tanzania 6.006ct loose stone Sale price¥228,000

[E_27 Yurakucho Marui Takeout] Pt950 Brazilian Paraiba Tourmaline 0.172ct Half Eternity Ring Sale price¥188,000

[E_27 Yurakucho Marui Take-out] Tanzanian Pink Zoisite 5.8mm/0.848ct Loose Stone Sale price¥198,000

[E_27 Yurakucho Marui Take-out] K18YG American Turquoise 1.04ct Ring (Cat Cut) Sale price¥79,800

[E_27 Yurakucho Marui Takeout] Pt950 Myanmar Spinel 0.18ct 0.22ct Earrings Sale price¥59,800

KARATZ Custom Made

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.

KARATZ・Five Commitments