1.9ct Sapphire (Oval, 9.38×6.25mm, Blue) vs 1.9ct Diamond (Oval, 10.05×6.7mm, White)
Quick summary: When looked from above (face-up position), 1.9ct Diamond (10.05×6.7mm, oval cut) appears 15% larger than 1.9ct Sapphire (9.38×6.25mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.9ct Sapphire (oval cut) |
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1.9ct Diamond (oval cut) |
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| 9.38×6.25 mm | 10.05×6.7 mm | |
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Actual sizes of
1.9ct Sapphire Oval (9.38×6.25mm, Blue)
and
1.9ct Diamond Oval (10.05×6.7mm, 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.
| 1.9 Ct Sapphire (Oval) | 1.9 Ct Diamond (Oval) | |
| 9.38×6.25 mm | vs | 10.05×6.7 mm |
| 48.07 mm² | 55.21 mm² |
| 1.9ct Sapphire Oval (9.38×6.25mm) | |
| 1.9ct Diamond Oval (10.05×6.7mm) | |
| Difference: 15% (7.14 mm²) |
1.9ct Diamond Oval (10.05×6.7mm) has approx. 15% more face-up area than 1.9ct Sapphire Oval (9.38×6.25mm).
Popular comparisons:
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 0.8ct Sapphire (Round, White, 5.55 x 5.55)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 1.9ct Diamond (Round, White, 8.05 x 8.05)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 1ct Sapphire (Oval, Blue, 7.56 x 5.04)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 1.75ct Sapphire (Oval, Blue, 9.12 x 6.08)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 2.4ct Emerald (Emerald, Green, 9.75 x 7.22)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 1.55ct Diamond (Oval, White, 9.39 x 6.26)
- 1.9ct Sapphire (Oval, Blue, 9.38 x 6.25) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
Enter your screen size (diagonal)
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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.