2ct Sapphire (Round, 7.53×7.53mm, White) vs 3.75ct Diamond (Round, 10.1×10.1mm, White)
Quick summary: When looked from above (face-up position), 3.75ct Diamond (10.1×10.1mm, round cut) appears 80% larger than 2ct Sapphire (7.53×7.53mm, round cut). See below how they compare side-by-side on a ring and finger.
| 2ct Sapphire (round cut) |
vs
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3.75ct Diamond (round cut) |
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white |
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| 7.53×7.53 mm | 10.1×10.1 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
2ct Sapphire Round (7.53×7.53mm, White)
and
3.75ct Diamond Round (10.1×10.1mm, White)
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.
| 2 Ct Sapphire (Round) | 3.75 Ct Diamond (Round) | |
| 7.53×7.53 mm | vs | 10.1×10.1 mm |
| 44.53 mm² | 80.12 mm² |
| 2ct Sapphire Round (7.53×7.53mm) | |
| 3.75ct Diamond Round (10.1×10.1mm) | |
| Difference: 80% (35.59 mm²) |
3.75ct Diamond (Round, 10.1×10.1mm) has approx. 80% more face-up area than 2ct Sapphire (Round, 7.53×7.53mm).
Popular comparisons:
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 2.4ct Sapphire (Round, White, 8 x 8)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 0.6ct Sapphire (Round, Dark Yellowish Green, 5.04 x 5.04)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 1ct Emerald (Oval, Green, 8.63 x 5.75)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 2ct Sapphire (Round, White, 7.53 x 7.53) vs. 0.75ct Diamond (Princess, White, 5.01 x 5.01)