Vertical: 6.1 - 7.0mm

[On sale July 12th at 10 PM] Bulgarian Sphalerite 7.0mm/1.790ct Loose Stone Sale price¥59,800

[Listing 12563380] Unset 1.077ct Tanzanian Zircon Sale price¥12,800

[On Sale July 9, 10 PM JST] Bicolor Grossular Garnet from Tanzania 0.839ct Loose Stone Sale price¥19,800

[On sale July 3 at 10 PM] Tanzanian Bi-Color Grossular Garnet 0.934ct Loose Stone Sale price¥24,800

【Sale starts 10 PM on July 3rd】Tanzanian Bicolor Grossular Garnet 0.779 ct Loose Stone Sale price¥19,800

[On sale July 6th at 10 PM] Sri Lankan Yellow Sapphire 0.815ct Loose Stone with Certification Sale price¥15,800

[On sale July 5th at 10 PM] Tanzanian Windsor Sapphire (Brown Sapphire) 1.137ct Loose Stone with Certificate Sale price¥49,800

[On sale July 5th at 10 PM] 0.566ct Loose Tanzanian Mahenge Spinel (Pink Spinel) with identification Sale price¥55,800

[On Sale July 10 at 10 PM JST] Tanzanian Mahenge Spinel (Pink Spinel) 0.333ct Loose Stone with Gemological Report Sale price¥29,800

Tanzanian Lavender Tanzanite 0.558ct Loose Stone Sale price¥12,800

Tanzanian bicolor tanzanite 0.573ct loose stone Sale price¥12,800

Tanzanian Lavender Tanzanite 0.577ct Loose Stone Sale price¥12,800

Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone Sale price¥4,980

Brazilian Green Tourmaline 0.376ct Loose Stone Sale price¥7,980

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） 0.344ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone Sale price¥9,800

Almandine Garnet 1.471ct Loose Stone Sale price¥14,800

Almandine Garnet 1.388ct Loose Stone Sale price¥11,800

Almandine Garnet 1.485ct Loose Stone Sale price¥15,800

Almandine Garnet 1.058ct Loose Stone Sale price¥12,800

Tanzanian Rhodolite Garnet 0.810ct Loose Stone Sale price¥9,800

[On sale June 28 at 10 PM JST] 1.134ct Loose Sri Lankan Ice Blue Sapphire with Gemstone Certificate Sale price¥45,800

[On sale July 1st, 10 PM JST] Brazilian Dioptase 0.956ct Loose Stone with Certificate Sale price¥23,800

[On Sale July 10th, 10 PM] Tanzanian Zircon 1.841ct Loose Gemstone with Certificate Sale price¥18,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.440ctルース

[On sale June 21, 10 PM JST] Madagascar Andesine-Labradorite (commonly known as Rainbow Moonstone) 1.440ct Loose Gemstone Sale price¥25,800

Synthetic rutile 0.942ct loose stone Sale price¥14,800

Mexican Fire Opal 0.718ct Loose Sale price¥9,800

Mexican Fire Opal 0.593ct Loose (Faceted Cut) Sale price¥9,800

[Sales start June 25th at 10 PM JST] American Scheelite 1.943ct Loose Stone with Certificate Sale price¥12,800

Namibian Jeremejevite 0.501ct loose stone (bicolor) Sale price¥89,800

Brazilian Pink Tourmaline 0.862ct Loose Stone Sale price¥12,800

Vietnam Aquamarine 0.398ct Loose Sale price¥5,980

Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline) Sale price¥59,800

Morganite 0.379ct loose stone Sale price¥7,980

2.055ct Bicolor Sphalerite from Spain Sale price¥39,800

Brazilian Imperial Topaz 0.746ct Loose Sale price¥18,800

[On sale 6/12 10 PM JST] Synthetic Alexandrite 1.076ct Loose Stone Sale price¥25,800

Spessartite Garnet from Madagascar 1.053ct loose stone Sale price¥29,800

Brazilian pink tourmaline 0.968ct loose stone Sale price¥18,800

Sri Lankan Star Sapphire 1.339ct Loose Sale price¥12,800

Sri Lankan Star Sapphire 1.682ct Loose Sale price¥12,800

[Sales start 10 PM on 6/6] Madagascar Labradorite 0.823ct Loose Gemstone Sale price¥7,980

Sri Lankan Star Sapphire 1.225ct Loose Sale price¥12,800

Sky blue topaz 1.051ct loose stone Sale price¥8,800

Lepidocrocite in quartz 0.532ct loose Sale price¥6,980

Pink tourmaline 0.819ct loose Sale price¥9,800

[Sales start June 5th, 10 PM] Russian Demantoid Garnet (horsetail inclusion visible) 6.8mm/1.366ct Loose Stone with Appraisal Report Sale price¥398,000

[On sale June 5th at 10 PM] Russian Demantoid Garnet (Horsetail inclusion confirmed) 6.9mm/1.589ct Loose Stone with Appraisal Report Sale price¥458,000

[On sale May 30th at 10 PM] Mongolian Andesine 0.464ct Loose Stone Sale price¥9,800

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.

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.