The shape library
Heart
Expressive by design.
Modified brilliant
Heart
Expressive by design.
A cleft, paired lobes and a tapering point form a recognisable silhouette. The balance of these features is central to its appearance.
View heart size chart A closer look at heartEducational example. Supply availability is confirmed on enquiry.
Illustrative faceted models, shown under consistent lighting. Actual stones, facet patterns and proportions vary.
A sense of scale
Heart
size chart.
All sizes, in two parts. Select any weight below to compare its approximate millimetre size.
Heart outlines may be wider than they are long. These examples use the source chart’s length and width.
Understand carat and the 4Cs01 Small stones
0.02–0.20 ct
| Carat weight (ct) | Length × width (mm, approx.) |
|---|---|
| 1.8×1.8 † | |
| 2×2 † | |
| 2.2×2.2 † | |
| 2.4×2.4 † | |
| 2.5×2.5 † | |
| 2.7×2.7 † | |
| 2.8×2.8 † | |
| 2.9×2.9 † | |
| 3×3 | |
| 3.2×3.2 † | |
| 3.5×3.5 | |
| 3.5×3.5 † | |
| 3.5×3.5 |
02 Larger stones
0.25–5.00 ct
| Carat weight (ct) | Length × width (mm, approx.) |
|---|---|
| 4×4.5 | |
| 5×5.5 | |
| 5.5×6 | |
| 6.5×7 | |
| 7.25×8 | |
| 7.75×8.5 | |
| 9×9 | |
| 10×10 | |
| 11×11 |
† Calculated estimate from nearby published sizes. Below the smallest reference, dimensions are scaled assuming unchanged proportions. These entries describe an illustrative size, not a measured stone.
Educational estimates. Carat measures weight: 1 ct = 0.2 g. Depth, girdle and proportions affect dimensions, so there is no exact mm-to-carat conversion. Check the individual stone’s measurements and grading report.
References: Stuller size chart (PDF) · Diamond Source of Virginia size chartGIA carat education
Character & construction
Expressive by design.
A cleft, paired lobes and a tapering point form a recognisable silhouette. The balance of these features is central to its appearance.
What to consider
Pay attention to matching lobes, a distinct cleft and protected point. This is an educational example; ask us about sourcing availability.
Ask for the actual measurements, report and images of the stone being offered. A shape illustration cannot establish its appearance, grading or availability.
Read the shape alongside the 4CsContinue exploring
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