1ct Kyanite (Pear, 8.53×5.14mm, Blue) vs 2ct Diamond (Round, 8.19×8.19mm, White)
Quick summary: When looked from above (face-up position), 2ct Diamond (8.19×8.19mm, round cut) appears 65% larger than 1ct Kyanite (8.53×5.14mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1ct Kyanite (pear cut) |
vs
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2ct Diamond (round cut) |
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blue |
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| 8.53×5.14 mm | 8.19×8.19 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
1ct Kyanite Pear (8.53×5.14mm, Blue)
and
2ct Diamond Round (8.19×8.19mm, 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, Kyanite will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(3.68 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 Ct Kyanite (Pear) | 2 Ct Diamond (Round) | |
| 8.53×5.14 mm | vs | 8.19×8.19 mm |
| 32.01 mm² | 52.68 mm² |
| 1ct Kyanite Pear (8.53×5.14mm) | |
| 2ct Diamond Round (8.19×8.19mm) | |
| Difference: 65% (20.67 mm²) |
2ct Diamond (Round, 8.19×8.19mm) has approx. 65% more face-up area than 1ct Kyanite (Pear, 8.53×5.14mm).
Popular comparisons:
- 0.62ct Kyanite (Pear, Blue, 7.29 x 4.39) vs. 2.87ct Aquamarine (Princess, Light Blue, 8.71 x 8.71)
- 1.5ct Kyanite (Pear, Blue, 9.78 x 5.89) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Kyanite (Pear, Blue, 10.76 x 6.48) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Kyanite (Pear, Blue, 11.59 x 6.98) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Kyanite (Pear, Blue, 10.76 x 6.48) vs. 2ct Citrine (Pear, Light Orange, 12 x 7.23)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)