18ct Citrine (Round, 17.97×17.97mm, Light Orange) vs 18ct Topaz (Round, 16.33×16.33mm, Blue)
Quick summary: When looked from above (face-up position), 18ct Citrine (17.97×17.97mm, round cut) appears 21% larger than 18ct Topaz (16.33×16.33mm, round cut). See below how they compare side-by-side on a ring and finger.
| 18ct Citrine (round cut) |
vs
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18ct Topaz (round cut) |
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light orange |
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| 17.97×17.97 mm | 16.33×16.33 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
18ct Citrine Round (17.97×17.97mm, Light Orange)
and
18ct Topaz Round (16.33×16.33mm, 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, Topaz will face-up smaller than Citrine for a given
carat weight, because it has higher specific gravity
(3.53 vs. 2.65 - this means it's "heavier" compared to Citrine 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.
| 18 Ct Citrine (Round) | 18 Ct Topaz (Round) | |
| 17.97×17.97 mm | vs | 16.33×16.33 mm |
| 253.62 mm² | 209.44 mm² |
| 18ct Citrine Round (17.97×17.97mm) | |
| 18ct Topaz Round (16.33×16.33mm) | |
| Difference: 21% (44.18 mm²) |
18ct Citrine (Round, 17.97×17.97mm) has approx. 21% more face-up area than 18ct Topaz (Round, 16.33×16.33mm).
Popular comparisons:
- 18ct Citrine (Round, Light Orange, 17.97 x 17.97) vs. 22ct Diamond (Round, White, 18.21 x 18.21)
- 7ct Citrine (Round, Orange, 12 x 12) vs. 4.2ct Citrine (Oval, Orange, 12 x 10)
- 1ct Citrine (Round, Light Orange, 6.86 x 6.86) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 5ct Citrine (Round, Light Orange, 11.73 x 11.73) vs. 5ct Emerald (Emerald, Green, 12.45 x 9.22)
- 2ct Citrine (Round, Light Orange, 8.64 x 8.64) vs. 2ct Aquamarine (Emerald, Light Blue, 9.17 x 6.79)
- 8ct Citrine (Round, Light Orange, 13.72 x 13.72) vs. 8ct Emerald (Emerald, Green, 14.55 x 10.78)
- 1ct Citrine (Round, Light Orange, 6.86 x 6.86) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Citrine (Round, Light Orange, 5.44 x 5.44) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Citrine (Round, Light Orange, 8.64 x 8.64) vs. 2ct Diamond (Round, White, 8.19 x 8.19)