20ct Diopside (Cabochon, 19.8×13.2mm, Green) vs 20ct Tsavorite (Cabochon, 19.22×12.81mm, Green)
Quick summary: When looked from above (face-up position), 20ct Diopside (19.8×13.2mm, cabochon cut) appears 6% larger than 20ct Tsavorite (19.22×12.81mm, cabochon cut). See below how they compare side-by-side on a ring and finger.
| 20ct Diopside (cabochon cut) |
vs
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20ct Tsavorite (cabochon cut) |
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green |
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| 19.8×13.2 mm | 19.22×12.81 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
20ct Diopside Cabochon (19.8×13.2mm, Green)
and
20ct Tsavorite Cabochon (19.22×12.81mm, 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, Tsavorite will face-up smaller than Diopside for a given
carat weight, because it has higher specific gravity
(3.61 vs. 3.3 - this means it's "heavier" compared to Diopside 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.
| 20 Ct Diopside (Cabochon) | 20 Ct Tsavorite (Cabochon) | |
| 19.8×13.2 mm | vs | 19.22×12.81 mm |
| 214.32 mm² | 201.89 mm² |
| 20ct Diopside Cabochon (19.8×13.2mm) | |
| 20ct Tsavorite Cabochon (19.22×12.81mm) | |
| Difference: 6% (12.43 mm²) |
20ct Diopside (Cabochon, 19.8×13.2mm) has approx. 6% more face-up area than 20ct Tsavorite (Cabochon, 19.22×12.81mm).
Popular comparisons:
- 0.1ct Diopside (Cabochon, Yellowish Green, 3.39 x 2.26) vs. 40ct Beryl (Radiant, Green, 21.59 x 21.59)
- 2.73ct Diopside (Cabochon, Green, 10.2 x 6.8) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.73ct Diopside (Cabochon, Green, 9.04 x 8.31) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.1ct Diopside (Cabochon, Yellowish Green, 3.39 x 2.26) vs. 40ct Beryl (Marquise, Green, 38.48 x 19.24)
- 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)