0.75ct Diamond (Trillion, 7.03×7.03mm, White) vs 2.88ct Sapphire (Cushion, 8.8×6.5mm, Bluish Green)
Quick summary: When looked from above (face-up position), 2.88ct Sapphire (8.8×6.5mm, cushion cut) appears 68% larger than 0.75ct Diamond (7.03×7.03mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 0.75ct Diamond (trillion cut) |
vs
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2.88ct Sapphire (cushion cut) |
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white |
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| 7.03×7.03 mm | 8.8×6.5 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
0.75ct Diamond Trillion (7.03×7.03mm, White)
and
2.88ct Sapphire Cushion (8.8×6.5mm, Bluish Green)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 0.75 Ct Diamond (Trillion) | 2.88 Ct Sapphire (Cushion) | |
| 7.03×7.03 mm | vs | 8.8×6.5 mm |
| 30.64 mm² | 51.48 mm² |
| 0.75ct Diamond Trillion (7.03×7.03mm) | |
| 2.88ct Sapphire Cushion (8.8×6.5mm) | |
| Difference: 68% (20.84 mm²) |
2.88ct Sapphire (Cushion, 8.8×6.5mm) has approx. 68% more face-up area than 0.75ct Diamond (Trillion, 7.03×7.03mm).
Popular comparisons:
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 0.75ct Tanzanite (Trillion, Blue, 6.81 x 6.81)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 0.4ct Tanzanite (Trillion, Blue, 5.52 x 5.52)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 1.24ct Tanzanite (Trillion, Blue, 8.05 x 8.05)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 1.2ct Sapphire (Oval, Light Purple, 8.04 x 5.36)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 1.2ct Diamond (Trillion, White, 8.22 x 8.22)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.75ct Diamond (Trillion, White, 7.03 x 7.03) vs. 0.7ct Tanzanite (Trillion, Blue, 6.65 x 6.65)
- 0.5ct Diamond (Trillion, White, 6.14 x 6.14) vs. 0.25ct Diamond (Trillion, White, 4.87 x 4.87)