Natural diamonds vs Lab-grown diamonds vs Diamond simulants

Lab Grown Diamonds
Natural Diamonds
Simulants
Price
$$
$$$$$
$ (The cost of carat-sized diamond simulants is as low as tens of dollars, while zircons are worth only a few dollars a piece.)
Rarity
Can be manufactured sustainably
Very rare
Not rare at all, can be mass-produced
GIA/IGI Report
Lab Grown Diamond Grading Report
Natural Diamond Grading Report
Advanced Diamond Tester
Shown as Lab Grown Daimond
Shown as Natural Diamond (Except Type IIA)
Do not shown as diamond
Laser Inscription
Yes ("LABGROWN" inscribed)
Distinguishable from Natural Diamonds with Naked Eyes
Cannot distinguish
N/A
Distinguishable
Verification Service (Charged)
Support
Support
Do not support
Resale Value
Not stable yet
High
No resale value

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Lab-grown Diamonds
Natural Diamonds