0.71ct Diamond (Round, 5.8×5.8mm, White) vs 1.6ct Sapphire (Round, 6.99×6.99mm, White)
Quick summary: When looked from above (face-up position), 1.6ct Sapphire (6.99×6.99mm, round cut) appears 45% larger than 0.71ct Diamond (5.8×5.8mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.71ct Diamond (round cut) |
vs
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1.6ct Sapphire (round cut) |
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white |
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| 5.8×5.8 mm | 6.99×6.99 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
0.71ct Diamond Round (5.8×5.8mm, White)
and
1.6ct Sapphire Round (6.99×6.99mm, 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.
| 0.71 Ct Diamond (Round) | 1.6 Ct Sapphire (Round) | |
| 5.8×5.8 mm | vs | 6.99×6.99 mm |
| 26.42 mm² | 38.37 mm² |
| 0.71ct Diamond Round (5.8×5.8mm) | |
| 1.6ct Sapphire Round (6.99×6.99mm) | |
| Difference: 45% (11.95 mm²) |
1.6ct Sapphire (Round, 6.99×6.99mm) has approx. 45% more face-up area than 0.71ct Diamond (Round, 5.8×5.8mm).
Popular comparisons:
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 0.35ct Diamond (Round, White, 4.58 x 4.58)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 0.83ct Diamond (Round, White, 6.11 x 6.11)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 0.8ct Diamond (Marquise, White, 9.64 x 4.82)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 0.8ct Diamond (Round, White, 6.03 x 6.03)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 0.71ct Diamond (Round, White, 5.8 x 5.8) vs. 0.8ct Diamond (Marquise, White, 8.6 x 4.86)