




















Burmese ruby 3.72ct loose GIA/CGL
Ruby has been cherished as a gemstone since ancient times. It refers to red corundum. With a hardness of 9, second only to diamond, ruby is a durable and stable gemstone that is easy to handle. This is a rare ruby from Burma.
This is a 3.72ct ruby from Myanmar (Burma) with a deep red color and an impressive size. It comes with a GIA grading report and a sorting report from the Central Gem Laboratory.
・Type: Loose stone (natural stone)
・Stone name: Burmese Ruby
・Weight: 3.720ct
・Size: 10.2 x 7.8 mm
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: -
・Remarks: Heat treatment has been applied.
*Ruby is generally a gemstone that undergoes heat treatment.
・Accessories: Grading report (GIA), loose stone case (if it doesn't fit, a clear zippered case)
* We strive to make the photos the same color as the actual product, 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: 12562713
Choose options
























![[Restock on June 27th at 10 PM] Authentic Gemstone Encyclopedia 3D Stickers Vol. 1: The Big Five Gems](http://store.karatz.jp/cdn/shop/files/IMG_3658.jpg?v=1781061036&width=3384)
![[On Sale June 28th, 10 PM] Brazilian Paraiba Tourmaline Gacha with Sorting Report (CuO: 2.1%, MnO: 2.2%) - Limited to 18 Stones! (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_6bc80329-36ed-4bc7-bbff-5c77e00a25bd.png?v=1782393589&width=3000)

![[Sale from 10 PM on June 28] [Limited to 15 Stones] Synthetic Gem Gacha 💎 Includes a 1.02ct/D/VS1/3EX certified lab-grown diamond, normally priced at 50,000 yen (with a bonus synthetic cobalt spinel) [Bulk purchase discount available]](http://store.karatz.jp/cdn/shop/files/31_4a872569-3259-4461-a07e-ea5bdbf13e87.png?v=1782356028&width=1000)
![[On Sale June 28th at 10 PM] Limited to 10 Stones: Brazilian Mint-Color Montebrasite (Princess Cut approx. 3.5mm) - 1 Loose Stone (Volume Discount Available)](http://store.karatz.jp/cdn/shop/files/P1010148_b8369c04-8eff-4993-89be-b2e98144c98d.jpg?v=1782382564&width=4000)
![[Sales start 10 PM on 6/26] Limited to 30 sets: 1 in 10 is a pair of 2 stones - Zambian emerald loose stone (approx. 6x4mm, emerald cut) with deep color. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_aeb10a54-ec73-4ab3-9ab2-40cc227a8bcc.png?v=1782347727&width=3000)
![[On Sale June 27, 10 PM JST] "Limited to 10 Stones" Rough Stone Gacha including Paraiba Tourmaline (CuO: 1.7%+ content) and Benitoite (with a bonus Oregon Sunstone) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/52_a5256d7b-e60a-4b76-822d-f33111c60340.png?v=1782353139&width=2268)





















![[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)