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CASTA DIVA
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Find your kind of brilliance.

Nine silhouettes. Compare carat, proportions and your estimated budget.

See diamond size on a hand
Preparing your selection…

See the size.
Find your proportion.

Explore nine shapes, from 0.30 to 5.00 carats. Compare their face-up proportions on a reference hand.

1.50 carat princess diamond proportion on the ring finger of a reference hand
Reference hand · US ring size 6
Carat weight
1.50 ct
Approx. length × width
6.30 × 6.30 mm
Diamond shape
Skin tone

Illustrative proportions, not a true-to-life screen scale. Actual measurements and appearance vary; your final selection is assessed using its laboratory report and imagery. Fancy shapes scale from typical one-carat dimensions.

Explore this shape

Choose by shape, not weight alone.

Explore measured proportions, practical buying checks and comparable D / VS1 guide budgets.

Compare all guide budgets
RoundOvalPrincessCushionEmeraldPearMarquiseAsscherHeart