0.15ct Sapphire (Baguette, 3.68×2.45mm, Blue) vs 0.38ct Diamond (Round, 4.71×4.71mm, White)
Quick summary: When looked from above (face-up position), 0.38ct Diamond (4.71×4.71mm, round cut) appears 93% larger than 0.15ct Sapphire (3.68×2.45mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 0.15ct Sapphire (baguette cut) |
vs
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0.38ct Diamond (round cut) |
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blue |
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| 3.68×2.45 mm | 4.71×4.71 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
0.15ct Sapphire Baguette (3.68×2.45mm, Blue)
and
0.38ct Diamond Round (4.71×4.71mm, 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.
| 0.15 Ct Sapphire (Baguette) | 0.38 Ct Diamond (Round) | |
| 3.68×2.45 mm | vs | 4.71×4.71 mm |
| 9.02 mm² | 17.42 mm² |
| 0.15ct Sapphire Baguette (3.68×2.45mm) | |
| 0.38ct Diamond Round (4.71×4.71mm) | |
| Difference: 93% (8.4 mm²) |
0.38ct Diamond (Round, 4.71×4.71mm) has approx. 93% more face-up area than 0.15ct Sapphire (Baguette, 3.68×2.45mm).
Popular comparisons:
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 3.05ct Diamond (Emerald, White, 9.69 x 7.18)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 0.15ct Diamond (Emerald, White, 3.55 x 2.63)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 0.06ct Diamond (Baguette, White, 2.84 x 1.89)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 1ct Peridot (Oval, Yellowish Green, 8.03 x 5.35)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Sapphire (Baguette, Blue, 8.73 x 5.82) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)