




















Untreated Vietnamese Star Ruby 1.696ct Loose Stone with Certification
Ruby, a gemstone cherished since ancient times, refers to red corundum. With a hardness of 9, second only to diamond, ruby is a durable and stable gemstone that is easy to care for. This particular ruby exhibits a star effect, captured with the aid of a penlight. The back of the stone is generally unpolished.
This is an unheated star ruby from Vietnam. It's an old stock Vietnamese ruby, which is not commonly available. An appraisal report is included.
・Type: Loose Stone (Natural Gemstone)
・Gemstone: Vietnamese Star Ruby (Unheated)
・Weight: 1.696ct
・Size: 8.8 x 5.5 mm
・Shape: Cabochon Cut
・Scratches/Chips: S
・Inclusions: -
・Notes: ---
・Accessories: Appraisal Report (JTL (Jewel Trading Laboratory)), Loose Stone Case (zipped clear case if the stone doesn't fit the standard case)
▷Jewelry Customization Available
If you would like to customize your jewelry, please order it with your preferred setting from the link below.
・【Choose from Stone】Simple Order
・【Choose from Stone】Semi-Custom Order
※If you'd like an image of the stone set in a frame, want to discuss a full custom order, or have any other questions, please feel free to contact us here.
※Rough stones are not eligible. Additionally, some stones may not be eligible.
※ We strive to ensure that the photos show the actual color of the product, but due to lighting conditions during photography, your monitor environment, etc., the actual product may appear slightly different. Also, some photos may have been taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please refer to here.
※ For other frequently asked questions, please refer to here.
karatz_item_id: 12562859
Choose options






![[Item 12564551] Afghan Hauyne 0.082ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA010822_fdae212e-c1d0-42d1-bbc1-88e76d38a638.jpg?v=1791206027&width=2418)
![[12564548 Listed] Afghan Hauyne 0.183ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA010722_4324babf-6d1d-4389-8d78-1260c8938514.jpg?v=1791206242&width=2715)
![[10/4, 10 PM Release] Brazilian Amethyst 8.984ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/PA071484_e0a076f0-9900-4718-8633-aa6968a7fdd1.jpg?v=1791333891&width=3548)
![[Item No. 12564619] Kochi Prefecture Blood Red Coral 9.736ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA010112_c46da302-f310-49ae-a38c-7f85165ecd26.jpg?v=1791326532&width=3097)
![[Item No. 22602818] [Colorfully] 18K Akoya Pearl and 0.02ct Diamond Brooch with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P9290057.jpg?v=1790834020&width=4000)

![[Lottery Sale_12] [For Winners Only] [Ref: 32501798] Internally Flawless Diamond (H&C) 4.2mm/0.280ct Loose Stone (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/collage_13108166-7420-4e8f-a9ce-36d5a19b5023.png?v=1791123979&width=2000)
![[Lottery Sale ②_202608_04] Unheated Kashmir Sapphire 0.710ct Loose Stone GIA](http://store.karatz.jp/cdn/shop/files/P7227023_4642404f-3f88-40d5-b30d-04cfeec27b64.jpg?v=1791123165&width=3278)



![[12563017 listed] Pink Sapphire 0.143ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9035692_5c10157e-aa71-4093-8774-997e1947ef99.jpg?v=1791103289&width=2693)
![[Item 12564297] Phenakite from Malyshevo, Russia, 1.491ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9076471_c756de0e-6694-45b2-8f46-adb1d04de5c1.jpg?v=1791102964&width=3236)
![[Ref: 12564306] Brazilian Emerald Cat's Eye 0.582ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9076878_ae583146-c49d-4641-b5ef-bf4ab6bf082c.jpg?v=1791102698&width=3158)









![[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)

