2.0ct - 5.0ct

【4/2 22時販売】ブラジル産シトリン 2.641ctルース Sale price¥8,800

【3/30 22時販売】モザンビーク産モザンビーク産イリュージョンパライバトルマリン 2.708ctルース（CuO:0.3%,MnO:2.5%） Sale price¥69,800

[On sale 3/23 at 10pm] {New Arrival in Tucson} Brazilian Rainbow Aquamarine 4.134ct Loose Stone Sale price¥29,800

[On sale at 22:00 on 3/15] Brazilian bicolor tourmaline 4.291ct loose stone Sale price¥55,800

[On sale from 10pm on March 15th] Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose Stone Sale price¥59,800

[On sale from 10pm on 3/23] Illusion Tourmaline (Iridescent Tourmaline) 2.266ct loose stone Sale price¥39,800

[On sale from 10pm on 3/23] Illusion Tourmaline (Iridescent Tourmaline) 3.710ct loose stone Sale price¥49,800

[On sale 3/15 at 22:00] Zimbabwean blue apatite (UV type) 2.596ct loose stone Sale price¥18,800

[12558467] Zimbabwean Apatite (UV type) 2.368ct loose stone Sale price¥18,800

[On sale at 22:00 on 3/15] Zimbabwean apatite (UV type) 2.609ct loose stone Sale price¥19,800

[On sale 3/15 at 22:00] Zimbabwean apatite (UV type) 3.248ct loose stone Sale price¥25,800

[On sale 3/8 at 22:00] Australian Rainbow Lattice Sunstone 2.192ct Loose Sale price¥45,800

[On sale at 22:00 on 3/21] [New Arrival in Tucson] Spanish Sphalerite 7.2mm/2.178ct Loose Stone Sale price¥9,800

[On sale at 22:00 on 3/9] [New Arrival in Tucson] Brazilian Fluorite in Quartz 4.599ct Loose Stone Sale price¥19,800

アフガニスタン産バイカラートルマリン 2.664ctルース（シーフォームトルマリン）

[On sale at 22:00 on 3/9] 2.664ct bicolor tourmaline loose stone from Afghanistan (seafoam tourmaline) Sale price¥128,000

[On sale at 22:00 on 2/16] [New Arrival in Tucson] Hollandite in Amethyst 3.048ct Loose Stone Sale price¥9,800

[On sale at 22:00 on 2/20] [New Arrival in Tucson] Hollandite in Amethyst 4.019ct Loose Stone Sale price¥15,800

[On sale 2/23 at 10pm] {New Arrival in Tucson} Brazilian Medusa Quartz (Paraiba Quartz) 2.147ct loose stone Sale price¥6,980

[On sale from 10pm on 2/20] {New Arrival in Tucson} Brazilian Medusa Quartz (Paraiba Quartz) 2.117ct Loose Stone Sale price¥6,980

[On sale from 22:00 on 2/14] YAG (yttrium aluminum garnet) 2.861ct loose stone Sale price¥25,800

[On sale at 22:00 on 2/10] Bicolor fluorite 4.825ct loose stone Sale price¥9,800

[On sale from 22:00 on 2/9] [Koshu Precious Stone Cutting] Brazilian Dumortierite in Quartz 3.169ct Loose Patch Sale price¥55,800

[On sale 2/8 at 10pm] Oregon Sunstone from the USA 11m/4.056ct loose stone (vortex cut) Sale price¥39,800

[On sale 2/8 at 10pm] Brazilian Limonite in Beryl 2.975ct loose stone Sale price¥5,980

[On sale 2/8 at 10pm] Brazilian amethyst 4.961ct loose stone Sale price¥3,980

[On sale at 22:00 on 2/10] Tanzanian bicolor zoisite 2.603ct loose stone Sale price¥88,800

[On sale at 22:00 on 2/10] Brazilian indigolite tourmaline in quartz 2.036ct loose stone Sale price¥12,800

[On sale at 22:00 on 2/10] Oregon Sunstone from the United States, 2.087ct loose stone Sale price¥12,800

[On sale 2/7 at 10pm] Tanzanian bicolor zoisite 2.665ct loose stone Sale price¥98,000

Brazilian Dendritic Agate 2.163ct Loose Stone Sale price¥8,800

[On sale 2/1 at 22:00] Mexican Cantera Opal 4.602ct loose stone Sale price¥29,800

[On sale 2/6 at 22:00] Mexican Cantera Opal 4.300ct Loose Sale price¥69,800

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） 3.564ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 3.564ct loose stone Sale price¥25,800

Synthetic Moissanite (Grey) 8.5mm/2.126ct Loose Stone Sale price¥18,800

[On sale from 22:00 on 2/7] Akoya pearl (Akoya pearl) 2.213ct loose (twin type) Sale price¥9,800

Colombian Euclase 2.276ct loose stone Sale price¥69,800

[Cat cut] Brazilian dendritic agate 3.162ct loose stone Sale price¥9,800

Brazilian Dendritic Agate 3.079ct Loose Stone Sale price¥8,800

Brazilian Dumortierite in Quartz 2.116ct loose stone Sale price¥18,800

[Cat cut] Brazilian green tourmaline 3.254ct loose stone Sale price¥15,800

Sri Lankan Hessonite Garnet 2.061ct Loose Stone Sale price¥14,800

Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone Sale price¥8,800

Tanzania Bicolor Zoisite 2.264ct Rough Stone and Loose Stone Set of 2 Sale price¥8,800

Brazilian Golden Beryl 9mm/2.438ct Loose Stone Sale price¥12,800

Synthetic Moissanite 10mm/3.855ct Loose Stone Sale price¥18,800

Synthetic Moissanite 10mm/4.342ct Loose Stone Sale price¥18,800

Tanzanian bicolor tanzanite 4.804ct rough stone Sale price¥18,800

Brazilian Limonite in Topaz 3.986ct 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.

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