1ct Sunstone (Round, 6.87×6.87mm, Orangey Red) vs 1ct Andesine (Round, 6.84×6.84mm, Orange)
Quick summary: When looked from above (face-up position), 1ct Sunstone (6.87×6.87mm, round cut) appears 0.9% larger than 1ct Andesine (6.84×6.84mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sunstone (round cut) |
vs
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1ct Andesine (round cut) |
|
orangey red |
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| 6.87×6.87 mm | 6.84×6.84 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
1ct Sunstone Round (6.87×6.87mm, Orangey Red)
and
1ct Andesine Round (6.84×6.84mm, Orange)
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, Andesine will face-up slightly smaller than Sunstone for a given
carat weight, because it has higher specific gravity
(2.67 vs. 2.65 - this means it's "slightly heavier" compared to Sunstone 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 Sunstone (Round) | 1 Ct Andesine (Round) | |
| 6.87×6.87 mm | vs | 6.84×6.84 mm |
| 37.07 mm² | 36.75 mm² |
| 1ct Sunstone Round (6.87×6.87mm) | |
| 1ct Andesine Round (6.84×6.84mm) | |
| Difference: 0.9% (0.32 mm²) |
1ct Sunstone (Round, 6.87×6.87mm) has approx. 0.9% more face-up area than 1ct Andesine (Round, 6.84×6.84mm).
Popular comparisons:
- 1ct Sunstone (Round, Orangey Red, 6.86 x 6.86) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)
- 12ct Sunstone (Round, Orangey Red, 15.7 x 15.7) vs. 12ct Diopside (Round, Green, 14.59 x 14.59)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)