Apple
4C Calculator
Ratings
not shown
Rating
unrated
Version
1.3.5
Last updated 06/26/2025
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 06/26/2025
Tracked since 09/05/2026
Compare with another extension
Category: Utilities
Description
4C Calculator is created to assist users in determining the estimated price range for diamonds based on available criteria; Color, Carat, Clarity, and Shape. The price shown is an estimate based on the updated diamond price.
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | Not enough history yet | |||
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.