colored stone loose

A list of colored stones and loose gemstones.

【11/15 22時販売】スリランカ産バイカラーサファイア 0.260ctルース Sale price¥12,800

【11/15 22時販売】バイカラーサファイア 2.040ctルース Sale price¥59,800

【11/15 22時販売】ブラジル産バイカラートルマリン 1.020ctルース Sale price¥19,800

[On sale at 10pm on 11/15] Brazilian bicolor tourmaline 0.540ct loose stone Sale price¥5,980

[On sale from 10pm on 11/15] Brazilian Paraiba Tourmaline 3.2mm/0.140ct loose stone (CuO:0.8%, MnO:1.9%) Sale price¥25,800

[On sale at 10pm on 11/15] Brazilian citrine 1.247ct loose stone Sale price¥5,980

[On sale at 10pm on 11/15] Brazilian bicolor tourmaline 1.020ct loose stone Sale price¥15,800

[On sale from 10pm on 11/15] [Sakura Incut] Mexican Opal 6mm/0.450ct Loose Patch Sale price¥55,800

[On sale at 10pm on 11/15] Mexican Opal 4.5mm/0.220ct Loose Sale price¥5,980

[On sale at 10pm on 11/15] Brazilian bicolor tourmaline 1.010ct loose stone Sale price¥12,800

[On sale at 10pm on November 15th] 0.676ct loose tourmaline from Tanzania Sale price¥5,980

[On sale at 10pm on 11/15] Mexican Fire Opal 8.0mm/1.270ct Loose Sale price¥29,800

[On sale at 10pm on 11/15] Brazilian Green Beryl 1.490ct Loose Sale price¥15,800

[On sale 11/13 at 22:00] Madagascar Apatite 0.260ct Loose Sale price¥2,980

[On sale 11/13 at 22:00] Madagascar Apatite 0.290ct Loose Sale price¥2,980

[11/13 22:00 Sale] Oil-free emerald 0.604ct loose stone, Japan-Germany Sale price¥298,000

[On sale 11/12 22:00] Sri Lankan pink sapphire 0.175ct loose stone {Video available} (blind twin facets) {Multiple purchase discounts available} Sale price¥6,980

[11/12 22:00 Sale] [Sakura Shape] Mexican Opal 2.551ct Loose Patch Sale price¥59,800

[On sale 11/11 at 22:00] Mongolian bicolor andesine 6.1mm/0.952ct loose stone Sale price¥15,800

[11/11 22:00 Sale] [Rouge Cut] Almandine Garnet 2.476ct Loose Sale price¥9,800

[On sale 11/11 at 22:00] Sri Lankan brown tourmaline 3.496ct loose stone Sale price¥18,800

[11/11 22:00 Sale] Myanmar Purple Spinel 0.720ct Loose Sale price¥6,980

[11/11 22:00 Sale] Myanmar Spinel 0.770ct Loose Sale price¥7,980

[11/11 22:00 Sale] Myanmar Purple Spinel 0.680ct Loose Sale price¥8,800

[On sale 11/11 at 22:00] Tanzanian Yellow Beryl 1.750ct Loose Sale price¥15,800

[On sale at 10pm on 11/10] Limited to 10 sets: Rainbow garnet rough and loose stone set of 2 (average 5.3ct) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available] Sale price¥5,980

[On sale at 10pm on 11/10] {Limited to 4 stones} 1 loose sapphire from Madagascar (Padparadscha color) {Multiple purchase discounts available} Sale price¥3,980

[On sale at 10pm on November 9th] [Limited to 3 stones] Mexican Danburite 1 stone loose (4.3mm, round cut) [Multiple purchase discounts available] Sale price¥3,980

[On sale at 10pm on November 9th] {Limited to 2 stones} 1 loose green tourmaline from Brazil {Multiple purchase discounts available} Sale price¥3,980

[On sale at 10pm on 11/10] Limited to 6 stones, one loose spinel stone from Myanmar (pentagonal cut, 3-3.5mm) [Multiple purchase discounts available] Sale price¥2,580

[On sale at 10pm on 11/10] {Limited to 2 stones} 1 loose Mahenge spinel stone from Tanzania (3mm, round cut) {Multiple purchase discounts available} Sale price¥4,980

[12556002] Madagascar Apatite 0.916ct Loose Sale price¥8,800

[12556001] Madagascar Apatite 0.584ct Loose Stone Sale price¥5,980

[12555999] Madagascar Apatite 1.000ct Loose Sale price¥9,800

[12555995] Myanmar spinel 0.402ct loose stone Sale price¥12,800

[12555994] Myanmar pink spinel 0.479ct loose stone Sale price¥12,800

[12555993] Myanmar spinel 0.263ct loose stone Sale price¥7,980

[12555992] Cambodian zircon 0.662ct loose stone Sale price¥8,800

[12555991] Synthetic opal 0.723ct loose stone Sale price¥15,800

[12555989] Synthetic opal 0.651ct loose stone Sale price¥15,800

[12555987] Synthetic opal 0.800ct loose stone Sale price¥12,800

[12555986] Synthetic opal 1.593ct loose stone Sale price¥18,800

【12555985掲載】メキシコ産ファイアオパール（ファセットカット） 0.838ctルース

[12555985] Mexican fire opal (faceted cut) 0.838ct loose stone Sale price¥24,800

【12555983掲載】メキシコ産ファイアオパール（ファセットカット） 1.961ctルース

[12555983] Mexican fire opal (faceted cut) 1.961ct loose stone Sale price¥29,800

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

[On sale 11/10 at 22:00] Mexican Cantera Opal 3.604ct loose stone Sale price¥7,980

[On sale 11/10 at 22:00] Mexican Cantera Opal 15.482ct loose stone Sale price¥12,800

[On sale 11/14 at 22:00] Mexican fire opal 1.755ct 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