1ct Tanzanite (Round, 6.34×6.34mm, Blue) vs 1ct Sapphire (Round, 5.98×5.98mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Tanzanite (6.34×6.34mm, round cut) appears 12% larger than 1ct Sapphire (5.98×5.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1ct Tanzanite (round cut) |
vs
|
1ct Sapphire (round cut) |
|
blue |
|
|
| 6.34×6.34 mm | 5.98×5.98 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1ct Tanzanite Round (6.34×6.34mm, Blue)
and
1ct Sapphire Round (5.98×5.98mm, 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, Sapphire will face-up smaller than Tanzanite for a given
carat weight, because it has higher specific gravity
(4 vs. 3.35 - 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 (Round) | 1 Ct Sapphire (Round) | |
| 6.34×6.34 mm | vs | 5.98×5.98 mm |
| 31.57 mm² | 28.09 mm² |
| 1ct Tanzanite Round (6.34×6.34mm) | |
| 1ct Sapphire Round (5.98×5.98mm) | |
| Difference: 12% (3.48 mm²) |
1ct Tanzanite (Round, 6.34×6.34mm) has approx. 12% more face-up area than 1ct Sapphire (Round, 5.98×5.98mm).
Popular comparisons:
- 1ct Tanzanite (Round, Blue, 6.34 x 6.34) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tanzanite (Round, Blue, 6.34 x 6.34) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 1ct Tanzanite (Round, Blue, 6.34 x 6.34) vs. 1ct Emerald (Emerald, Green, 7.26 x 5.38)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Alexandrite (Round, Light Green , 6.14 x 6.14)
- 1ct Tanzanite (Round, Blue, 6.37 x 6.37) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2ct Tanzanite (Round, Dark Blue, 8.03 x 8.03) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 2ct Tanzanite (Round, Blue, 8.03 x 8.03) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
Use the simulator on this page to play around with different ring and finger configurations.