


















Cornflower Blue Sapphire 4.5mm/0.430ct Loose Stone AIGS
Sapphire is a well-known stone, and one of the most highly valued varieties is the "cornflower blue sapphire." This sapphire has a beautiful blue color resembling that of a cornflower, and is highly valued for its quality, rivaling that of royal blue.
This is a 4.5mm round cut cornflower blue sapphire with excellent clarity. It has been carefully cut so that there is no color loss even when viewed from the front. It comes with an AIGS certificate of authenticity.
Type: Loose (natural stone)
Stone name: Cornflower blue sapphire ( blue sapphire )
・Weight: 0.430ct
・Size: 4.5 x 4.4 mm
Shape: Round cut
Scratches/chips: S
・Inclusions: S
Note: Heating is taking place.
*Sapphires are generally heated gemstones.
Accessories: Certificate of Authenticity (AIGS), loose case (if it does not fit, a clear zippered case will be provided)
▷We accept jewelry processing.If you would like to have your jewelry processed, please order along with the frame of your choice from the link below.
・Simple order [Select by stone]
・[Select from stones] Semi-order
*If you would like an image photo of the stone in the frame, would like to discuss a full order, or have any other questions or concerns, please feel free to contact us here .
*Rough stones are not available. There are also some stones that cannot be used.
*We strive to make the colors in the photos as close to the actual product as possible, but they may look slightly different from the actual product depending on the lighting conditions during photography and the monitor settings you are using. Also, some photos may have been taken using a penlight.
*For information on scratches, chips, treatments, and inclusions, please click here .
*For other frequently asked questions, please click here .
karatz_item_id: 12556474
Choose options








![[Item 12564323] Burmese Red Spinel 0.188ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9090218_ee69d258-0585-4caa-9353-ea5c12fac61f.jpg?v=1791380684&width=2543)

![[Item 12564372] Mongolian Bicolor Andesine 2.399ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9300539_6d951c6e-a59c-4d70-9948-c88efd9ddd34.jpg?v=1791380250&width=3101)
![[Item 12564461] Dominican Republic Larimar 3.420ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9300246_63a3b76a-1cd8-47e8-8eff-cc23c0d92499.jpg?v=1791291498&width=3191)
![[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)
![[Posted on 22602705] [Colorful] K18WG Diamond 0.5ct Pendant Top (Necklace Top)](http://store.karatz.jp/cdn/shop/files/P8060423_d36ce0b8-482c-4635-b50f-e95a3f891029.jpg?v=1791204209&width=3172)
![[Item 22602811] [Coloriful] Pt900 Pink Sapphire 0.42ct Diamond 0.05ct Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9290010_8d07daad-9c48-47b1-819e-7bd3041157ae.jpg?v=1791184198&width=4000)
![[Item 22602804][Colori] K18 0.211ct Diamond & 0.35ct Diamond Pendant (Necklace)](http://store.karatz.jp/cdn/shop/files/P9300701_42bc40f7-cd39-43dc-a9a8-37eca042fbbd.jpg?v=1791184065&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)







![[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)

