12ct Diamond (Oval, 18.59×12.39mm, White) vs 15ct Diamond (Oval, 20.01×13.34mm, White)
Quick summary: When looked from above (face-up position), 15ct Diamond (20.01×13.34mm, oval cut) appears 16% larger than 12ct Diamond (18.59×12.39mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 12ct Diamond (oval cut) |
vs
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15ct Diamond (oval cut) |
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white |
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| 18.59×12.39 mm | 20.01×13.34 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
12ct Diamond Oval (18.59×12.39mm, White)
and
15ct Diamond Oval (20.01×13.34mm, 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
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.
| 12 Ct Diamond (Oval) | 15 Ct Diamond (Oval) | |
| 18.59×12.39 mm | vs | 20.01×13.34 mm |
| 188.87 mm² | 218.89 mm² |
| 12ct Diamond Oval (18.59×12.39mm) | |
| 15ct Diamond Oval (20.01×13.34mm) | |
| Difference: 16% (30.02 mm²) |
15ct Diamond (Oval, 20.01×13.34mm) has approx. 16% more face-up area than 12ct Diamond (Oval, 18.59×12.39mm).
Popular comparisons:
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 13ct Diamond (Pear, White, 21.28 x 12.82)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 9ct Diamond (Oval, White, 16.88 x 11.25)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 4.5ct Diamond (Oval, White, 13.4 x 8.93)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 11ct Sapphire (Oval, Blue, 16.82 x 11.21)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 15ct Emerald (Emerald, Green, 16.88 x 11.83)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 4.5ct Diamond (Oval, White, 12 x 8)
- 12ct Diamond (Oval, White, 18.59 x 12.39) vs. 4.5ct Diamond (Oval, White, 11 x 9)