pear shape

Unheated Brazilian Paraiba Tourmaline 0.052ct loose stone (CuO: 2.0%, MnO: 2.2%) Sale price¥55,800

非加熱ブラジル産パライバトルマリン 0.051ctルース（CuO:1.9%、MnO:2.5%）

Unheated Brazilian Paraiba Tourmaline 0.051ct loose stone (CuO: 1.9%, MnO: 2.5%) Sale price¥55,800

Andesine Labradorite (also known as Rainbow Moonstone) 1.373ct loose stone Sale price¥12,800

Andesine Labradorite (also known as Rainbow Moonstone) 1.009ct loose stone Sale price¥12,800

Unheated Brazilian Paraiba Tourmaline 0.081ct loose stone (CuO: 2.1%, MnO: 2.3%) Sale price¥98,000

Unheated Brazilian Paraiba Tourmaline 0.088ct loose stone (CuO: 1.9%, MnO: 2.3%) Sale price¥98,000

Unheated Brazilian Paraiba Tourmaline 0.059ct loose stone (CuO: 1.4%, MnO: 2.7%) Sale price¥63,800

Unheated Brazilian Paraiba Tourmaline 0.069ct loose stone (CuO: 1.6%, MnO: 2.6%) Sale price¥79,800

Unheated Brazilian Paraiba Tourmaline 0.065ct loose stone (CuO: 2.0%, MnO: 2.4%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO: 1.5%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone (CuO: 1.8%, MnO: 2.4%) Sale price¥75,800

Unheated Brazilian Paraiba Tourmaline 0.061ct loose stone (CuO: 1.7%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.055ct loose stone (CuO: 1.9%, MnO: 2.2%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO: 1.7%, MnO: 2.4%) Sale price¥79,800

Unheated Brazilian Paraiba Tourmaline 0.056ct loose stone (CuO: 1.7%, MnO: 2.3%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.062ct loose stone (CuO: 1.7%, MnO: 2.5%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.058ct loose stone (CuO: 2.0%, MnO: 2.2%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.056ct loose stone (CuO: 2.1%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.057ct loose stone (CuO: 1.6%, MnO: 2.4%) Sale price¥69,800

Australian Rainbow Lattice Sunstone 0.468ct Loose Stone Sale price¥5,980

Australian Rainbow Lattice Sunstone 0.463ct Loose Stone Sale price¥5,980

Bulgarian Green Sphalerite 0.579ct Loose Stone Sale price¥148,000

Tanzanian Kornerupine 0.356ct loose stone Sale price¥49,800

Paraiba tourmaline from Brazil 0.057ct loose Sale price¥22,800

Paraiba tourmaline from Brazil 0.049ct loose Sale price¥19,800

Oregon Sunstone 1.404ct Loose Sale price¥9,800

[E_27 Yurakucho Marui Take-out] Madagascar sphene 0.922ct loose stone Sale price¥25,800

Greenland sapphire 0.592ct loose stone Sale price¥24,800

Tanzania color change spinel 0.319ct loose stone Sale price¥29,800

Sphene 0.452ct loose stone Sale price¥6,980

Sphene 0.503ct loose stone Sale price¥8,800

Vietnam unheated silky pink sapphire 0.321ct loose stone Sale price¥12,800

Tanzanian Chrome Tourmaline 0.753ct Loose Stone Sale price¥6,980

アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.635ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 0.635ct loose stone Sale price¥18,800

Red beryl 0.181ct loose Sale price¥49,800

Brazilian Santa Maria Aquamarine 0.161ct loose stone Sale price¥5,980

Paraiba tourmaline from Mozambique 1.581ct loose stone (CuO: 0.5%, MnO: 1.0%) Sale price¥128,000

Zimbabwean Euclase 0.088ct loose stone Sale price¥69,800

Tanzanian Kornerupine 0.303ct loose stone Sale price¥12,800

アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.885ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 0.885ct loose stone Sale price¥16,800

イエローダイヤモンド 0.071ctルース(FANCY INTENSE ORANGEY YELLOW, SI2)

Fancy intense orangey yellow diamond 0.071ct loose stone (FANCY INTENSE ORANGEY YELLOW, SI2) Sale price¥25,800

German Awinite 0.056ct loose stone Sale price¥25,800

Ethiopian honeycomb opal 3.566ct loose stone Sale price¥46,800

ラボグロウンダイヤモンド（合成ダイヤモンド） 0.350ctルース(FANCY VIVID PINK, VS-2)

Lab-grown pink diamond (synthetic pink diamond) 0.350ct loose (FANCY VIVID PINK, VS-2) Sale price¥69,800

Bicolor tanzanite 2.270ct loose Sale price¥45,800

Nepalese bicolor kyanite 0.987ct loose stone Sale price¥9,800

Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2) Sale price¥69,800

Vietnam unheated silky pink sapphire 0.178ct loose stone Sale price¥5,980

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