0.1ct - 2.0ct

Brazilian Euclase 1.240ct loose Sale price¥22,800

Brazilian Euclase 0.610ct loose Sale price¥9,800

Pezzotite from Madagascar 0.151ct loose Sale price¥15,800

Red beryl 0.120ct loose Sale price¥36,800

[KEN] Fire Opal 7mm/1.030ct loose Sale price¥39,800

Tanzanite 1.593ct loose Sale price¥15,800

Tanzanite 1.297ct loose Sale price¥12,960

ピンクダイヤモンド 0.109ctルース(FANCY INTENSE PURPLE PINK, I1)

《Yurakucho Marui 2024112 takeout》 Pink diamond 0.109ct loose (FANCY INTENSE PURPLE PINK, I1) Sale price¥148,000

[Mr. KEN] Oregon Sunstone 0.264ct Loose Sale price¥3,980

Myanmar purple spinel 0.750ct loose Sale price¥8,800

[Mr. KEN] Oregon Sunstone 0.898ct Loose Sale price¥6,980

[Mr. KEN] Oregon Sunstone 0.835ct Loose Sale price¥5,980

Bicolor tanzanite 1.619ct loose Sale price¥25,800

Bicolor tanzanite 1.853ct loose Sale price¥39,800

[KEN] American peridot 1.177ct loose Sale price¥9,800

[KEN] Beryl 0.951ct loose Sale price¥12,800

[Mr. KEN] Golden Beryl 0.894ct loose Sale price¥12,800

[KEN] Beryl 6.5mm/1.032ct loose Sale price¥12,800

[KEN] Iolite from Tanzania 0.958ct loose Sale price¥9,800

《Yurakucho Marui 2024112 takeout》 [Mr. KEN] Tanzanian iolite 0.942ct loose stone Sale price¥9,800

[KEN] Iolite from Tanzania 0.868ct loose Sale price¥8,800

[Mr. KEN] Labradorite Moonstone 1.598ct Loose Japanese and German Sale price¥9,800

Bicolor sphene from Madagascar 1.242ct loose Sale price¥59,800

Sphene from Madagascar 1.229ct loose Sale price¥59,800

Color change garnet from Tanzania 1.086ct loose Sale price¥8,800

[Mr. KEN] Oregon Sunstone 0.800ct Loose Sale price¥5,980

[Mr. KEN] Oregon Sunstone 1.157ct Ruth Sale price¥9,800

White topaz 16.06ct loose Sale price¥29,800

[Mr. KEN] Oregon Sunstone 0.728ct Loose (Chess Cut) Sale price¥6,980

[Mr. KEN] Oregon Sunstone 1.401ct Ruth Sale price¥12,800

[Mr. KEN] Oregon Sunstone 1.345ct Ruth Sale price¥12,800

[KEN] Fire opal from Mexico 0.929ct loose Sale price¥12,800

Bicolor grossular garnet 0.782ct loose Sale price¥16,800

Colombian emerald 0.135ct loose Sale price¥18,800

[KEN] Morganite 0.818ct loose Sale price¥5,980

[Mr. KEN] Grossular Garnet 0.357ct Loose Japanese-German Edition Sale price¥8,800

South African rhodochrosite 1.333ct loose Japanese-German edition Sale price¥128,000

Paraiba tourmaline from Brazil 0.34ct loose GIA Sale price¥59,800

Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition Sale price¥69,800

Paraiba tourmaline from Mozambique 0.256ct loose Sale price¥18,800

Paraiba tourmaline from Mozambique 0.207ct loose Sale price¥12,800

Indigolite tourmaline 0.260ct loose Japanese-German book Sale price¥18,800

[Mr. Sanjay] Purple Spinel 0.995ct Loose Sale price¥18,800

[Mr. Sanjay] Blue spinel 0.810ct loose Sale price¥19,800

[KEN] Fire opal from Mexico 4.5mm/0.244ct loose Sale price¥12,800

Mahenge spinel (hot pink spinel) from Tanzania 0.209ct loose Sale price¥12,800

Myanmar star diopside 0.898ct loose Sale price¥12,800

Purple spinel 0.667ct loose Sale price¥7,980

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