8.23ct Amethyst (Oval, 15.9×12.7mm, Light Violet) vs 2.1ct Sapphire (Oval, 9.69×6.46mm, Blue)
Quick summary: When looked from above (face-up position), 8.23ct Amethyst (15.9×12.7mm, oval cut) appears 3.2 times larger than 2.1ct Sapphire (9.69×6.46mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 8.23ct Amethyst (oval cut) |
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2.1ct Sapphire (oval cut) |
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light violet |
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| 15.9×12.7 mm | 9.69×6.46 mm | |
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Actual sizes of
8.23ct Amethyst Oval (15.9×12.7mm, Light Violet)
and
2.1ct Sapphire Oval (9.69×6.46mm, Blue)
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 Amethyst for a given
carat weight, because it has higher specific gravity
(4 vs. 2.65 - this means it's "heavier" compared to Amethyst 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.
| 8.23 Ct Amethyst (Oval) | 2.1 Ct Sapphire (Oval) | |
| 15.9×12.7 mm | vs | 9.69×6.46 mm |
| 165.58 mm² | 51.33 mm² |
| 8.23ct Amethyst Oval (15.9×12.7mm) | |
| 2.1ct Sapphire Oval (9.69×6.46mm) | |
| Difference: 223% (114.25 mm²) |
8.23ct Amethyst Oval (15.9×12.7mm) has approx. 223% more face-up area than 2.1ct Sapphire Oval (9.69×6.46mm). In other words, it's 3.23x larger.
Popular comparisons:
- 8.23ct Amethyst (Oval, Light Violet, 15.9 x 12.7) vs. 2.1ct Sapphire (Oval, Light Blue, 9.69 x 6.46)
- 8.23ct Amethyst (Oval, Light Violet, 15.9 x 12.7) vs. 2.1ct Sapphire (Oval, Blue, 8.92 x 6.51)
- 1ct Amethyst (Oval, Dark Violet, 8.67 x 5.78) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 2.5ct Amethyst (Oval, Violet, 11.78 x 7.85) vs. 2.5ct Amethyst (Round, Violet, 9.31 x 9.31)
- 0.2ct Amethyst (Oval, Purple, 5.07 x 3.38) vs. 0.3ct Amethyst (Oval, Purple, 5.81 x 3.87)
- 1ct Amethyst (Oval, Violet, 9 x 7) vs. 1ct Tourmaline (Oval, Violet, 8 x 6)
- 9.5ct Amethyst (Oval, Violet, 17 x 13) vs. 4ct Diamond (Cushion, White, 9.25 x 9.25)
- 6ct Amethyst (Oval, Violet, 15.77 x 10.51) vs. 7.5ct Ruby (Oval, Red, 14.81 x 9.87)
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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.