





















[On Sale May 9th at 10 PM JST] Australian Opal with Matrix, 14.840ct, Loose Stone, Gemstone Report
Opal, a gemstone characterized by the shimmer of iridescent light. There are several types of opals, but among them, matrix opal is captivating due to its dynamism, as if a volcano and lava are enclosed in a single stone. Please note that a penlight was used for photography to confirm the play-of-color. A penlight was used for photography.
This is an Australian matrix opal that allows you to fully enjoy its red play-of-color. An appraisal certificate is included.
・Type: Loose stone (natural stone)
・Stone name: Matrix Opal
・Weight: 14.840ct
・Size: 27.3×11.7mm
・Shape: Custom cut
・Scratches/Chips: S
・Inclusions: -
・Remarks: ---
・Accessories: Appraisal certificate (JTL (Jewel Trading Laboratory)), loose stone case (if it doesn't fit, a zippered clear case)
* We try to make the photos as close to the actual color as possible, but due to lighting conditions during shooting and your monitor environment, the actual product may look slightly different. Also, some photos may have been taken using a penlight.
* For information on scratches/chips, treatments, and inclusions, please see here.
* For other frequently asked questions, please see here.
karatz_item_id: 12562740
Choose options




























![[On sale 8/12, 10 PM] "Limited to 10 stones" Strong Fire Gem Gacha featuring 3mm Benitoite and Blue Zircon, normally 42,800 yen (multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_278d67ff-f62b-4a8b-9e44-16602ef86502.png?v=1786093945&width=2000)
![[On sale August 12th at 10 PM] "Limited to 15 Stones" Diamond Gacha featuring rare butterfly-cut diamonds "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/2026-08-0717.06.55.png?v=1786090036&width=1279)
![[12564014 listed] Madagascar Royal Blue Sapphire 0.559ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P7313635_14e21f9a-c659-4e26-98cc-121a6a6526df.jpg?v=1786405650&width=3004)
![[Listed as 12563592] Red Coral 0.908ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1010942_0ddc060b-5571-4bb3-82db-903a0f6846f0.jpg?v=1784777741&width=4000)
![[Published as 12564055] American Red Beryl 0.239ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8061727_7397d8ee-50f1-4d18-895f-81834f48bc37.jpg?v=1786405834&width=3165)
![[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8061786_dbfd5e49-ee7b-485a-84a1-e71f7aec96c4.jpg?v=1786406143&width=3463)

![[Posted on 12563959] Madagascar Padparadscha Sapphire 0.164ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P7241965_cec751e0-3766-4ff6-a740-715fc57f7e8e.jpg?v=1786398430&width=2936)
![[12563912 listed] Colombian Pyrite and Mica in Emerald 0.500ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P7290484.jpg?v=1785318021&width=4000)



![[#202607 Akihabara Pop-up Store - Currently out on loan] [Listed as 12563392] Tanzanian Red Spinel 0.291ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6258339_9ab76656-a3f6-484b-99d4-5a2c0a9869bd.jpg?v=1786348136&width=3175)












![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)