Cubic Zirconia
$10 per carat
Estimated value as of 2026 · User query statement and general market knowledge; no precise current market cap in search results (various zirconia market sizes reported from $622M to $6.49B in 2025)[1][2][5]
A synthetic diamond alternative that costs just $10-20 per carat.
Fun fact Cubic zirconia is actually denser than real diamonds but far less durable.
Price History
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