2.0ct - 5.0ct

【Sales begin 10:00 PM on July 16th】Brazilian Limonite In Quartz (Aurora Quartz) 2.094ct Loose Stone Sale price¥8,800

[On Sale July 16, 10 PM JST] Brazilian Limonite in Quartz (Aurora Quartz) 2.291ct Loose Stone Sale price¥9,800

[On sale July 17 at 10 PM] Brazilian Dendritic Quartz 4.571ct Loose Stone Sale price¥12,800

[On sale July 19 at 10 PM] Brazilian Rose Quartz 8.7mm/2.536ct Loose Stone Sale price¥11,800

[Sale July 18, 10 PM JST] Australian Rainbow Lattice Sunstone 4.133 ct Loose Stone Sale price¥28,800

【Sales Start: July 19, 10 PM JST】Mexican Danburite Loose Stone 4.146ct Sale price¥29,800

[On sale July 11th at 10 PM] Brazilian Amphibole-in-Danburite 2.251ct Loose Stone with Japanese and German Identification Sale price¥29,800

[On sale July 12th at 10 PM] Malawi Moonstone 2.184ct Loose Sale price¥13,800

【Sale starts at 10 PM on July 14th】Malawi Moonstone (Malawi Moonstone) 2.598ct Loose Stone Sale price¥16,800

[On sale July 14th at 10 PM] Malawi Moonstone 2.199ct Loose Sale price¥12,800

[Sales start: 10 PM, July 14th] Malawi Moonstone (Malawi Moonstone) 3.158ct Loose Gemstone Sale price¥18,800

【Sale on 7/15 at 10 PM】Malawi Moonstone 2.155ct Loose Sale price¥12,800

【On sale 7/16 10PM】Moonstone from Malawi (Malawi Moonstone) 2.102ct Loose Stone Sale price¥14,800

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） 2.858ctルース

[On sale July 11, 10 PM] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 2.858ct Loose Stone Sale price¥25,800

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） 3.108ctルース

[On sale July 15 at 10 PM] Brazilian Tinkerbelle Quartz (Pink Fire Quartz) 3.108ct Loose Stone Sale price¥29,800

[On sale July 11th at 10 PM JST] USA Oregon Sunstone 10.8mm/4.864ct Loose Gemstone Sale price¥98,000

[On sale July 13, 10 PM] Australian Rainbow Lattice Sunstone 2.073ct Loose Gemstone Sale price¥15,800

オーストラリア産オーストラリア産レインボーラティスサンストーン 2.902ctルース

[Sale on July 10th at 10 PM] Australian Rainbow Lattice Sunstone 2.902ct Loose Sale price¥29,800

オーストラリア産オーストラリア産レインボーラティスサンストーン 2.208ctルース

[Sale on 7/10 at 10 PM] Australian Rainbow Lattice Sunstone 2.208ct Loose Stone Sale price¥22,800

[On sale July 10 at 10 PM JST] Brazilian Dumortierite in Quartz, 4.152 ct loose stone Sale price¥25,800

[Sales start July 13, 10 PM] Kochi Prefecture red coral 4.485 ct loose stone Sale price¥98,000

[Published on 12563384] Tanzanian Zircon 2.053ct Loose Sale price¥19,800

[Listed on 12562258] Eudialyte from Canada 2.796 ct loose stone Sale price¥39,800

[Lottery Sale_0612_09] Yellow Sapphire 2.150ct Loose Gemstone GIT Sale price¥158,000

Lottery Sale 11 [For Winners Only] [Listing 12562752] Colombian Pyrite in Emerald Loose Stone 2.107ct Sale price¥49,800

[On Sale July 6, 10 PM] Brazilian Blue Tourmaline in Quartz 4.241ct Loose Stone Sale price¥19,800

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） 4.823ctルース

[On Sale July 9 at 10 PM JST] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 11mm/4.823ct Loose Stone Sale price¥25,800

【Sales start July 22nd, 10 PM JST】Malawi Moonstone 2.114ct Loose Stone Sale price¥12,800

[On sale July 22nd at 10 PM] Malawi Moonstone 2.001ct Loose Gemstone Sale price¥12,800

Brazilian Dendritic Agate 2.788ct Loose Stone Sale price¥6,980

Brazilian Dendritic Agate 3.575ct Loose Stone Sale price¥8,800

Brazilian rutilated quartz (rutilated quartz) 8.2mm/2.090ct loose stone Sale price¥8,800

【甲州貴石切子plusthree】メキシコ産ファイアオパール 4.633ctルース《コラボ》ワッペン

[Koshu Precious Stones plusthree] Mexican Fire Opal 4.633ct Loose Stone [Collaboration] Patch Sale price¥49,800

Australian black opal 3.242ct loose stone Sale price¥59,800

[Sale on 6/25 at 10 PM] US Scheelite 2.666ct Loose Gemstone with Certificate Sale price¥15,800

[On Sale June 23rd at 10 PM] Myanmar Black Spinel 3.061ct Loose Stone with Gemstone Identification Report Sale price¥15,800

Brazilian Green Tourmaline 2.218ct Loose Sale price¥25,800

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

[On sale June 21st, 10 PM] Mexican Fire Opal Loose Stone 2.279ct Sale price¥15,800

[On sale June 15th at 10 PM] Natural Kyanite from Nepal 2.863ct Loose (Royal Blue Color) Sale price¥15,800

[On sale June 21, 10 PM JST] Tanzania Zircon 3.643ct Loose Stone Sale price¥22,800

[12550851] 2.944ct Mozambique pink tourmaline loose stone Sale price¥39,800

[12551148] Australian black opal 3.890ct loose stone Sale price¥69,800

Brazilian dendritic quartz 4.587ct loose stone Sale price¥9,800

Sri Lankan Star Sapphire 2.093ct Loose Sale price¥8,800

[On sale June 7, 10 PM] Untreated Blue Sapphire 2.430ct Loose Gemstone GIA Sale price¥258,000

[Sale on June 6 at 10 PM] Pyrite in Emerald from Chivor Mine, Colombia, 4.221 ct Loose Stone Sale price¥98,000

[On sale June 6th, 10 PM] Nepal Kyanite 2.906ct Loose Stone with Certificate Sale price¥19,800

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.