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26ct Topaz (Emerald, 19.72×14.61mm, Violet) vs 8ct Amethyst (Emerald, 14.65×10.85mm, Violet)


Quick summary: When looked from above (face-up position), 26ct Topaz (19.72×14.61mm, emerald cut) appears 81% larger than 8ct Amethyst (14.65×10.85mm, emerald cut). See below how they compare side-by-side on a ring and finger.

26ct Topaz (emerald cut)
vs
8ct Amethyst (emerald cut)
violet
 
violet
19.72×14.61 mm 14.65×10.85 mm
actual size
Actual size of 26ct Topaz (emerald cut, 19.72×14.61mm, Violet color)   Actual size of 8ct Amethyst (emerald cut, 14.65×10.85mm, Violet color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Violet 26ct Topaz (emerald cut, 19.72×14.61mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 8ct Amethyst (emerald cut, 14.65×10.85mm) on a right ring and finger
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Finger coverage
87% vs 65%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 26ct Topaz Emerald (19.72×14.61mm, Violet) and 8ct Amethyst Emerald (14.65×10.85mm, Violet) 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, Topaz will face-up smaller than Amethyst for a given carat weight, because it has higher specific gravity (3.53 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.


26 Ct Topaz (Emerald) 8 Ct Amethyst (Emerald)
19.72×14.61 mm vs 14.65×10.85 mm
267.94 mm²   147.83 mm²
Face-up size outline for 26ct Topaz (19.72×14.61mm, emerald cut)
Face-up size outline for 8ct Amethyst (14.65×10.85mm, emerald cut)
26ct Topaz Emerald (19.72×14.61mm)
8ct Amethyst Emerald (14.65×10.85mm)
Difference: 81% (120.11 mm²)
26ct Topaz (Emerald, 19.72×14.61mm) has approx. 81% more face-up area than 8ct Amethyst (Emerald, 14.65×10.85mm).


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