All Diamonds

Natural Diamond (Round Brilliant)

Natural or Lab-Grown Diamond (likely Lab-Grown or Moissanite given the high brilliance and modern halo setting style) (R...

Moissanite (indicated by the label in the background showing MOISSANITE) (Marquise)

Moissanite (Round Brilliant)

Natural Diamond (Round Brilliant)

Natural (Round Brilliant (Cluster setting))

Natural Diamond (Round Brilliant)

Natural Diamond (likely, based on ring style) (Round Brilliant)

Moissanite (Round Brilliant)

Moissanite or Cubic Zirconia (indicated by strong orange/rainbow flash under camera light dispersion) (Round Brilliant)

Natural diamond (Round Brilliant)

Natural diamond (Round Brilliant)

Natural diamond (Round Brilliant)

Natural Diamond (Round Brilliant)

The image shows a raw mineral surface with a rough texture, brownish-white coloration, and uneven crystalline formations...

Cubic Zirconia / Simulant (Based on visual indicators of high dispersion and facet junctions) (Princess Cut (Square Modi...

Natural Diamond (Round Brilliant)

Natural or Lab-Grown Diamond (Visual assessment suggests diamond simulant or standard diamond set in 4-prong setting, re...

Natural Diamond (Assumed based on typical retail settings, though lab-grown cannot be ruled out without spectroscopic te...

Cubic Zirconia or High-Dispersion Simulant (Likely CZ due to excessive fire and dispersion) (Princess Cut (Square Modifi...

Natural Diamond (Assorted melee and larger stones in necklace setting) (Mixed (Round Brilliant, Marquise, and Pear shape...

Natural Diamond (Princess Cut)

Natural Diamond (Assumed based on typical engagement ring settings, though lab-grown cannot be ruled out without advance...

Natural Diamond (Presumed based on setting style, though lab-grown cannot be ruled out without microscopic testing) (Pri...

Natural diamond (Princess cut center stone with side stones)

Natural Diamond (Princess Cut (Square Modified Brilliant))

Natural Diamond (Round Brilliant)

Natural Diamond (Princess Cut)

Natural Diamond (Assessed visually, likely genuine white diamond center stone with pave accents) (Heart Brilliant)

Natural Diamond (Round Brilliant)

Cubic Zirconia or Synthetic Simulant (likely costume jewelry based on the rough metal prongs and setting) (Round Brillia...

Natural Diamond (Princess)

Cubic Zirconia or High-Dispersion Simulator (Round Brilliant)

Natural Diamond (Assumed based on typical engagement ring settings, though lab-grown cannot be fully excluded without sp...

Natural Diamond (Assessed via typical commercial ring setting; professional physical and spectroscopic testing required ...

Cubic Zirconia / Fashion Jewelry Simulant (Round Brilliant)

Natural Diamond (Princess Cut (Square Modified Brilliant))

Natural Rough Diamond (Uncut / Rough Crystalline (Octahedral/Irregular))

Natural Diamond (Round Brilliant)

Natural Diamond (based on standard optical characteristics, though lab-grown cannot be entirely ruled out without spectr...

Natural diamond crystal in matrix (uncut rough form) (Uncut octahedral or irregular crystal habit)

Not a diamond (appears to be a fossil crinoid stem embedded in matrix rock) (N/A - Tubular fossil structure)