0.75ct Sapphire (Oval, 6.87×4.58mm, Blue) vs 0.8ct Sapphire (Round, 5.55×5.55mm, Blue)
Quick summary: When looked from above (face-up position), 0.75ct Sapphire (6.87×4.58mm, oval cut) appears 7% larger than 0.8ct Sapphire (5.55×5.55mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.75ct Sapphire (oval cut) |
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0.8ct Sapphire (round cut) |
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| 6.87×4.58 mm | 5.55×5.55 mm | |
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Actual sizes of
0.75ct Sapphire Oval (6.87×4.58mm, Blue)
and
0.8ct Sapphire Round (5.55×5.55mm, Blue)
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
The face-up size depends on the shape of the gem, its weight and 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.
| 0.75 Ct Sapphire (Oval) | 0.8 Ct Sapphire (Round) | |
| 6.87×4.58 mm | vs | 5.55×5.55 mm |
| 25.8 mm² | 24.19 mm² |
| 0.75ct Sapphire Oval (6.87×4.58mm) | |
| 0.8ct Sapphire Round (5.55×5.55mm) | |
| Difference: 7% (1.61 mm²) |
0.75ct Sapphire Oval (6.87×4.58mm) has approx. 7% more face-up area than 0.8ct Sapphire Round (5.55×5.55mm).
Popular comparisons:
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 0.6ct Diamond (Round, Black, 5.48 x 5.48)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 0.5ct Sapphire (Oval, Blue, 6 x 4)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 1.5ct Citrine (Oval, Light Orange, 9.93 x 6.62)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 0.8ct Diamond (Round, Black, 6.03 x 6.03)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 1ct Tanzanite (Round, Blue, 6.37 x 6.37)
- 0.75ct Sapphire (Oval, Blue, 6.87 x 4.58) vs. 0.25ct Ruby (Round, Red, 3.77 x 3.77)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.