0.2ct Sapphire (Oval, 4.43×2.95mm, Blue) vs 0.3ct Diamond (Round, 4.35×4.35mm, White)
Quick summary: When looked from above (face-up position), 0.3ct Diamond (4.35×4.35mm, round cut) appears 39% larger than 0.2ct Sapphire (4.43×2.95mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.2ct Sapphire (oval cut) |
vs
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0.3ct Diamond (round cut) |
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blue |
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| 4.43×2.95 mm | 4.35×4.35 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
0.2ct Sapphire Oval (4.43×2.95mm, Blue)
and
0.3ct Diamond Round (4.35×4.35mm, 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.
| 0.2 Ct Sapphire (Oval) | 0.3 Ct Diamond (Round) | |
| 4.43×2.95 mm | vs | 4.35×4.35 mm |
| 10.72 mm² | 14.86 mm² |
| 0.2ct Sapphire Oval (4.43×2.95mm) | |
| 0.3ct Diamond Round (4.35×4.35mm) | |
| Difference: 39% (4.14 mm²) |
0.3ct Diamond (Round, 4.35×4.35mm) has approx. 39% more face-up area than 0.2ct Sapphire (Oval, 4.43×2.95mm).
Popular comparisons:
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 1ct Tanzanite (Round, Blue, 6.37 x 6.37)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 0.3ct Sapphire (Oval, Blue, 5.07 x 3.38)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 0.25ct Emerald (Emerald, Green, 4.59 x 3.4)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 0.06ct Diamond (Round, White, 2.54 x 2.54)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)
- 0.2ct Sapphire (Oval, Blue, 4.43 x 2.95) vs. 2.05ct Topaz (Round, Blue, 7.92 x 7.92)