Identity Help : I have a stone that checks as diamond, could this

I found this on the side of the road. It has flat cracks in it too. What are the chances that it really is diamond

How to Spot a Fake Diamond: What These 13 Tests Really Mean! - IGS

How To Tell If a Diamond is Real With a Flashlight Plus Other Simple Tests

How To Tell If A Diamond is Real: 11 Tests You Can Do Right Now

Identity Help : Diamond??

Laser Diamond Numbers

Real vs Fake Diamonds: How to Tell if a Diamond is Real

How To Tell If A Diamond is Real: 11 Tests You Can Do Right Now

Identity Help : I need help i.d. hopefully diamond

How to Identify Gemstones (with Pictures) - wikiHow

This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests. An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items. The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.

Dupeakya Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone, Black

My fiance was doing her nails and noticed on of the stones on her engagement ring was shining rather oddly in the UV light. Any ideas? : r/Gemstones