





















Diamond (H&C) 0.504ct Loose (F, VS-1, 3Excellent H&C)
Among countless gemstones, diamonds hold a special place. To enhance the beauty of this stone, the hardest on Earth, various cuts have been devised since ancient times, and their brilliance continues to captivate people worldwide. The many famous diamond jewelry pieces that appear throughout history entertain us with various anecdotes and legends.
If fluorescent photographs are available, they are taken in a darkroom with a strong black light. To enjoy the fluorescence at home, darken the room or cover the gemstone with your palm.
・Type: Loose stone (natural)
・Stone Name: Diamond (H&C)
・Carat: 0.504ct
・Color: F
・Clarity: VS-1
・Cut: 3Excellent H&C
・Size: 5.15×5.17mm
・Fluorescence: NONE
・Accessories: Sorting (Central Gem Laboratory), Karatz quality guarantee, case
▶︎About Jewelry Customization
If you wish to have the stone set in jewelry, please order it together with your desired setting from the link below.
・Choose from Simple Orders
・Choose from Semi-Custom Orders
※If you would like an image of the stone in a setting, wish to discuss a full custom order, or have any other questions, please feel free to contact us here.
※ If you wish to change the sorting to a grading report, please purchase this at the same time.
※ For products with UV fluorescent photographs, they are taken using a black light with a wavelength of 365nm. If you use a light with a different wavelength (e.g., around 395nm), the fluorescence may appear weak or be difficult to see. The black light we use is here.
※ For other frequently asked questions, please see here.
※ If paying by credit card, you may be contacted by a security company for identity verification.
karatz_item_id: 32501966
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)

