Cabochon Cut

[On sale 11/10 at 22:00] Mexican Cantera Opal 3.984ct loose stone Sale price¥29,800

[On sale 11/14 at 22:00] Mexican fire opal 1.755ct loose stone Sale price¥29,800

[11/10 22:00 Sale] Mexican Fire Opal 1.341ct Loose Sale price¥39,800

[On sale 11/12 at 22:00] 2.467ct loose Oregon sunstone from the United States Sale price¥9,800

[11/2 22:00 Sale] Australian Opal 6.799ct Loose Stone, Japan-Germany Exchange Sale price¥59,800

[On sale 11/6 at 22:00] Brazilian emerald in quartz 2.810ct loose stone Sale price¥4,980

[On sale 11/6 at 22:00] Brazilian emerald in quartz 2.332ct loose stone Sale price¥3,980

[On sale 11/8 at 22:00] Afghanistan Lapis Lazuli 11.583ct Loose Stone Patch Sale price¥7,980

[On sale 11/8 at 22:00] Brazilian Quartz 13.991ct Loose Patch Sale price¥9,800

[On sale 11/8 at 22:00] Australian green opal 4.990ct loose Sale price¥9,800

[On sale 11/8 at 22:00] Brazilian platinum rutilated quartz (brookite in quartz) 1.492ct loose stone Sale price¥9,800

[On sale 11/8 at 22:00] Brazilian platinum rutilated quartz (brookite in quartz) 1.258ct loose stone Sale price¥7,980

《Yurakucho Marui 2024112 Takeout》【10/22 22:00 Sale】Indian Alexandrite Cat's Eye 0.228ct Loose Sale price¥8,800

[On sale 11/2 at 10pm] Mexican Cantera Opal 5.647ct loose stone Sale price¥19,800

[On sale 11/2 at 10pm] Mexican Cantera Opal 2.809ct loose stone Sale price¥25,800

[12555409] Mexican Cantera Opal 3.280ct Loose Sale price¥9,800

[On sale at 10pm on 10/24] Mexican Cantera Opal 7.782ct loose stone Sale price¥59,800

[On sale at 10pm on 10/24] Mexican Cantera Opal 4.973ct loose stone Sale price¥15,800

[On sale 11/13 at 22:00] Mexican Cantera Opal 7.460ct Loose Sale price¥29,800

《Yurakucho Marui 2024112 Takeout》【10/12 22:00 Sale】Brazilian Chrysoberyl Cat's Eye 1.242ct Loose Stone Sale price¥7,980

[On sale 10/13 at 22:00] Brazilian bicolor tourmaline cat's eye 22.056ct loose stone Sale price¥198,000

[On sale at 10pm on 12/10] Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose Sale price¥55,800

[On sale 11/1 at 22:00] Diamond (cabochon cut) 0.183ct loose Sale price¥24,800

[On sale 11/1 at 22:00] Diamond (cabochon cut) 0.366ct loose Sale price¥59,800

[On sale 11/1 at 22:00] Diamond (cabochon cut) 0.173ct loose Sale price¥19,800

Sold out

[On sale from 11/1 at 22:00] Diamond (cabochon cut) 0.172ct loose

[On sale at 10pm on 12/10] Argentine Inca Rose 15.960ct loose stone Sale price¥12,800

[On sale at 10pm on 12/10] Argentine Inca Rose 20.650ct loose stone Sale price¥15,800

[On sale at 10pm on 12/10] Argentine Inca Rose 15.190ct loose stone Sale price¥12,800

Brazilian Garden Quartz 80.014ct Loose Stone Sale price¥19,800

[12555234] Brazilian Paraiba Tourmaline in Quartz 2.622ct Loose Stone Sale price¥49,800

[On sale at 10pm on November 9th] Brazilian Paraiba Tourmaline in Quartz 2.674ct loose stone Sale price¥54,800

[12555232] Brazilian Paraiba Tourmaline in Quartz 2.827ct Loose Stone Sale price¥49,800

[12555231] Brazilian Paraiba Tourmaline in Quartz 3.049ct Loose Stone Sale price¥49,800

[On sale at 10pm on November 9th] Brazilian Paraiba Tourmaline in Quartz 1.146ct loose stone Sale price¥29,800

[12555217] Brazilian Paraiba Tourmaline in Quartz 1.287ct Loose Stone Sale price¥29,800

[On sale at 10pm on 10/16] Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct loose stone Sale price¥29,800

[On sale at 10pm on 14/10] Brazilian Medusa Quartz (Paraiba Quartz) 0.717ct loose stone Sale price¥6,980

《Yurakucho Marui 2024112 takeout》Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct loose stone Sale price¥54,800

Brazilian Medusa Quartz (Paraiba Quartz) 2.089ct loose stone Sale price¥16,800

Brazilian Medusa Quartz (Paraiba Quartz) 1.058ct Loose Stone Sale price¥8,800

[On sale at 10pm on 10/17] Kenyan Gold Sheen Sapphire 3.7mm/0.317ct Loose Sale price¥35,800

[On sale at 10pm on 10/17] Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Sale price¥35,800

Kenyan Gold Sheen Sapphire 0.273ct Loose Sale price¥22,800

Kenyan Gold Sheen Sapphire 0.264ct Loose Sale price¥22,800

Indian Cavansite 1.717ct loose stone Sale price¥8,800

Myanmar Star Spinel 1.153ct Loose Sale price¥12,800

Oregon Sunstone from the United States 1.625ct loose stone Sale price¥29,800

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