1.9ct Tanzanite (Emerald, 8.44×6.25mm, Light Blue) vs 1.6ct Amethyst (Princess, 7.21×7.21mm, Violet)
Quick summary: When looked from above (face-up position), 1.6ct Amethyst (7.21×7.21mm, princess cut) appears 6% larger than 1.9ct Tanzanite (8.44×6.25mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 1.9ct Tanzanite (emerald cut) |
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1.6ct Amethyst (princess cut) |
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light blue |
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| 8.44×6.25 mm | 7.21×7.21 mm | |
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Actual sizes of
1.9ct Tanzanite Emerald (8.44×6.25mm, Light Blue)
and
1.6ct Amethyst Princess (7.21×7.21mm, 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, Tanzanite will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.3 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.
| 1.9 Ct Tanzanite (Emerald) | 1.6 Ct Amethyst (Princess) | |
| 8.44×6.25 mm | vs | 7.21×7.21 mm |
| 49.06 mm² | 51.98 mm² |
| 1.9ct Tanzanite Emerald (8.44×6.25mm) | |
| 1.6ct Amethyst Princess (7.21×7.21mm) | |
| Difference: 6% (2.92 mm²) |
1.6ct Amethyst Princess (7.21×7.21mm) has approx. 6% more face-up area than 1.9ct Tanzanite Emerald (8.44×6.25mm).
Popular comparisons:
- 1.9ct Tanzanite (Emerald, Light Blue, 8.44 x 6.25) vs. 0.15ct Diamond (Round, White, 3.45 x 3.45)
- 1.9ct Tanzanite (Emerald, Light Blue, 8.44 x 6.25) vs. 1.3ct Amethyst (Princess, Violet, 6.73 x 6.73)
- 1.9ct Tanzanite (Emerald, Light Blue, 8.44 x 6.25) vs. 1.2ct Amethyst (Princess, Violet, 6.55 x 6.55)
- 1.9ct Tanzanite (Emerald, Light Blue, 8.44 x 6.25) vs. 1.5ct Amethyst (Emerald, Violet, 8.38 x 6.21)
- 2ct Tanzanite (Emerald, Blue, 8.57 x 6.35) vs. 3ct Tanzanite (Emerald, Blue, 9.81 x 7.27)
- 1ct Tanzanite (Emerald, Blue, 6.8 x 5.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.49ct Tanzanite (Emerald, Blue, 5.37 x 3.98) vs. 0.5ct Emerald (Emerald, Green, 5.78 x 4.28)
- 2ct Tanzanite (Emerald, Blue, 8.57 x 6.35) vs. 4ct Tanzanite (Emerald, Blue, 10.81 x 8.01)
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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.