1ct Tanzanite (Baguette, 7.4×4.93mm, Blue) vs 1ct Alexandrite (Trillion, 7.21×7.21mm, Light Green )
Quick summary: When looked from above (face-up position), 1ct Tanzanite (7.4×4.93mm, baguette cut) appears 13% larger than 1ct Alexandrite (7.21×7.21mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tanzanite (baguette cut) |
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1ct Alexandrite (trillion cut) |
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| 7.4×4.93 mm | 7.21×7.21 mm | |
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Actual sizes of
1ct Tanzanite Baguette (7.4×4.93mm, Blue)
and
1ct Alexandrite Trillion (7.21×7.21mm, Light Green )
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, Alexandrite will face-up smaller than Tanzanite for a given
carat weight, because it has higher specific gravity
(3.7 vs. 3.3 - this means it's "heavier" compared to Tanzanite 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 Tanzanite (Baguette) | 1 Ct Alexandrite (Trillion) | |
| 7.4×4.93 mm | vs | 7.21×7.21 mm |
| 36.48 mm² | 32.23 mm² |
| 1ct Tanzanite Baguette (7.4×4.93mm) | |
| 1ct Alexandrite Trillion (7.21×7.21mm) | |
| Difference: 13% (4.25 mm²) |
1ct Tanzanite Baguette (7.4×4.93mm) has approx. 13% more face-up area than 1ct Alexandrite Trillion (7.21×7.21mm).
Popular comparisons:
- 1ct Tanzanite (Baguette, Blue, 7.4 x 4.93) vs. 1ct Alexandrite (Cabochon, Light Green , 7.02 x 4.68)
- 1ct Tanzanite (Baguette, Blue, 7.4 x 4.93) vs. 1ct Morganite (Cushion, Light Purple, 6.37 x 6.37)
- 1ct Tanzanite (Baguette, Blue, 7.4 x 4.93) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.02ct Tanzanite (Baguette, Blue, 9.35 x 6.23) vs. 1.2ct Sapphire (Round, Blue, 6.35 x 6.35)
- 4.4ct Tanzanite (Baguette, Blue, 13 x 6.8) vs. 0.37ct Diamond (Oval, Yellow, 5.82 x 3.88)
- 0.2ct Tanzanite (Baguette, Blue, 4.32 x 2.88) vs. 1ct Diamond (Oval, Blue, 8.12 x 5.41)
- 4.4ct Tanzanite (Baguette, Blue, 13 x 6.8) vs. 2.7ct Diamond (Baguette, Yellow, 9.9 x 6.8)
- 2ct Tanzanite (Baguette, Blue, 9.32 x 6.21) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
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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.