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1.75ct Topaz (Baguette, 8.7×5.8mm, Blue) vs 1.75ct Rhodolite (Baguette, 8.46×5.64mm, Purple)


Quick summary: When looked from above (face-up position), 1.75ct Topaz (8.7×5.8mm, baguette cut) appears 6% larger than 1.75ct Rhodolite (8.46×5.64mm, baguette cut). See below how they compare side-by-side on a ring and finger.

1.75ct Topaz (baguette cut)
vs
 1.75ct Rhodolite (baguette cut)
blue
 
purple
8.7×5.8 mm 8.46×5.64 mm
actual size
Actual size of 1.75ct Topaz (baguette cut, 8.7×5.8mm, Blue color)   Actual size of 1.75ct Rhodolite (baguette cut, 8.46×5.64mm, Purple color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.75ct Topaz (baguette cut, 8.7×5.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 1.75ct Rhodolite (baguette cut, 8.46×5.64mm) 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
 35% vs 34%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.75ct Topaz Baguette (8.7×5.8mm, Blue) and 1.75ct Rhodolite Baguette (8.46×5.64mm, Purple) 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, Rhodolite will face-up smaller than Topaz for a given carat weight, because it has higher specific gravity (3.84 vs. 3.53 - this means it's "heavier" compared to Topaz 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.


1.75 Ct Topaz (Baguette) 1.75 Ct Rhodolite (Baguette)
8.7×5.8 mm vs 8.46×5.64 mm
50.46 mm²   47.71 mm²
Face-up size outline for 1.75ct Topaz (8.7×5.8mm, baguette cut)
Face-up size outline for 1.75ct Rhodolite (8.46×5.64mm, baguette cut)
1.75ct Topaz Baguette (8.7×5.8mm)
1.75ct Rhodolite Baguette (8.46×5.64mm)
Difference: 6% (2.75 mm²)
1.75ct Topaz (Baguette, 8.7×5.8mm) has approx. 6% more face-up area than 1.75ct Rhodolite (Baguette, 8.46×5.64mm).


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