Ruth

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 1.533ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 1.533ct loose Sale price¥6,980

Maushitsit (Mawsissi) from Myanmar 1 stone loose (12mm)《Multiple purchase discount available》 Sale price¥3,980

【12561173掲載】メキシコ産ファイアオパール（ファセットカット） 0.645ctルース

Mexican Fire Opal (faceted) 0.645ct Loose Stone Sale price¥18,800

GGG (Gadolinium Gallium Garnet) 3.046ct Loose Stone Sale price¥18,800

Tanzanian Rhodolite Garnet 5.9mm/1.084ct Loose Sale price¥12,800

0.308ct Unset Yellow Sapphire (Sri Lankan) Sale price¥13,800

《Limited Edition》Chilean Seruleite (Japanese name: Pseudoturquoise) 4x5mm Cabochon Single Stone Loose《Bulk Purchase Discount Available》 Sale price¥3,980

Limited to 10 stones: Cambodian Pink Zircon Loose Stone (Avg. 0.50ct) - Multiple Purchase Discount Available Sale price¥3,980

《Limited to 5 stones》Fluorescent brown diamond single loose stone (pear shape, SI clarity equivalent, 0.2ct UP) 《Bulk purchase discount available》 Sale price¥4,980

Lazurite (Lapis Lazuli) from Pakistan 0.173ct Loose Stone with Gemstone Identification Report Sale price¥34,800

[On sale May 2nd at 10 PM] Lazurite from Pakistan 0.150ct Loose Stone with Certificate Sale price¥29,800

[On sale 5/9 10 PM] Lazurite from Pakistan 0.103ct Loose with identification report Sale price¥19,800

[Sale on 5/6 at 22:00] Namibian Jeremejevite 0.073ct Loose Stone with Certificate Sale price¥15,800

[On sale at 10 PM on May 2nd] Mexican Cantera Opal 32.560ct Loose Stone Sale price¥29,800

[On sale May 2nd at 10 PM JST] Mexican Cantera Opal 27.410ct Loose Stone Sale price¥25,800

【12562837掲載】ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 6.020ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone Sale price¥15,800

Loose 2.120ct Oregon Sunstone from the USA Sale price¥18,800

Spanish Sphalerite 6.2mm/1.320ct loose stone Sale price¥12,800

Oregon Sunstone from the United States 0.941ct loose stone Sale price¥12,800

Tanzanian Yellow Scapolite 1.780ct Loose Sale price¥8,800

Brazilian Bicolor Tourmaline 0.780ct Loose Sale price¥12,800

Finnish Labradorite 56.209ct Loose Gemstone Sale price¥16,800

Mexican fire agate 3.613ct loose Sale price¥14,800

《Limited to 10 stones》Mozambique Grape Garnet loose stone (6×4mm, pear cut) 《Bulk purchase discount available》 Sale price¥3,980

0.904ct Datolite, USA (Westfield, Manchester) Loose, with Japan-Germany certification Sale price¥29,800

Natural Emerald from Brazil, 15.219 ct, Loose Stone, Nichidoku Identification Report Sale price¥398,000

【32501879掲載】グレーダイヤモンド 0.096ctルース(VERY LIGHT GRAY, SI-1)

Gray Diamond, 2.9mm/0.096ct Loose (VERY LIGHT GRAY, SI-1) Sale price¥15,800

グレーダイヤモンド 2.8mm/0.089ctルース(LIGHT GRAY, SI-2)

Gray Diamond 2.8mm/0.089ct Loose (LIGHT GRAY, SI-2) Sale price¥16,800

カメレオンダイヤモンド 0.079ctルース(FANCY LIGHT GRAY GREEN, SI-1)

Green Diamond, Chameleon Diamond 0.079ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥25,800

カメレオンダイヤモンド 0.128ctルース(FANCY LIGHT GRAY GREEN, SI-1)

[Sale on May 9, 10 PM JST] Chameleon Diamond 3.2mm/0.128ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥31,800

カメレオンダイヤモンド 0.118ctルース(LIGHT GRAYISH GREENISH YELLOW, VS-2)

Chameleon Diamond 3.1mm/0.118ct Loose Stone (LIGHT GRAYISH GREENISH YELLOW, VS-2) Sale price¥22,800

Mexican Cantera Opal 10.379ct Loose Stone Sale price¥39,800

Mexican Cantera Opal 7.619 ct Loose Stone Sale price¥25,800

Mexican Cantera Opal 5.410 ct Loose Stone Sale price¥9,800

[On sale May 6th at 10 PM JST] Mexican Cantera Opal Loose Stone 7.207ct Sale price¥25,800

Mexican Cantera Opal 3.051ct Loose Stone Sale price¥18,800

Mexican Cantera Opal 1.867 ct Loose Stone Sale price¥12,800

[12562802 posted] Chinese Cinnabar (Shansha) 0.935 ct Loose Sale price¥15,800

[On sale May 2 at 10 PM JST] Sri Lankan Topaz Cat's Eye 3.384ct Loose Stone with Japan-Germany Gemological Report Sale price¥12,800

[On sale May 2nd, 10 PM JST] Sri Lankan Colorless Enstatite 1.877ct Loose Stone with Japan-Germany Gemological Report Sale price¥29,800

[On Sale June 13, 10 PM JST] Sri Lankan Enstatite 2.567ct Loose Stone with Japan-Germany Gemological Report Sale price¥18,800

[On sale May 6th at 10 PM] Tibetan Andesine 18.643ct Loose Stone, Japan/Germany certified Sale price¥98,000

[Available for purchase on 5/6 at 10 PM JST] Australian Black Opal 6.558ct Loose Stone with Certification Sale price¥39,800

[On sale May 6th, 10 PM] Dominican Larimar 33.829ct Loose Stone with Japan-Germany Gemological Report Sale price¥49,800

[Sale on May 5th at 10 PM] Tanzanian Spessartine Garnet 0.417ct Loose Gemstone Sale price¥12,800

[On sale May 10th at 10 PM] Tanzanian Spessartine Garnet 0.359ct Loose Stone Sale price¥9,800

Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany Sale price¥5,980

Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2) Sale price¥98,000

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.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.