0.75 Carat Topaz (Princess, 4.98×4.98mm, Blue)
Color:
Actual size is set for screen
How big is a 0.75 carat princess-cut Topaz?
It depends on the cut parameters, but a typical size of a 0.75ct princess-cut Topaz would be around 4.98×4.98 mm (±6%). You can check how big it looks on a ring and finger below.
Ring:
Skin tone:
|
Ring width:
3.0 mm
|
Saved...
64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
Finger coverage |
30 % |
|
Saved...
|
|
|
Ring diameter:
16.9 mm
|
Additional Info
Topaz is a gemstone of many colors. It’s commonly found colorless (white) and then treated to achieve desired colors. Blue Topaz is the most common and popular color variety.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
|
Name:
|
Topaz |
|
Shape:
|
Princess |
|
Chemical Formula:
|
Al2SiO4(F,OH)2 |
|
Crystal Structure:
|
Orthorhombic |
|
Hardness:
|
8 |
|
Specific Gravity
|
3.53 |
|
Carat weight:
|
0.75 ct |
|
Gram weight:
|
0.15 g (0.0053 ounces) |
|
Points:
|
75 pts |
|
Length:
|
4.98 mm |
|
Width:
|
4.98 mm |
|
Est. face-up size:
|
24.8 mm² |
|
Volume:
|
42.49 mm³ |
|
Length-to-width ratio:
|
1 |
|
Refractive Index:
|
1.610 - 1.638 |
|
Luster:
|
Vitreous |
|
Wearability:
|
Very good |
|
Care Instructions:
|
Avoid hard hits or drops |
|
Color:
|
Topaz can be found in the following colors:
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
|
|
Birthstone:
|
Topaz is a birthstone for the month of December |
Popular comparisons:
- 4.52ct Topaz (Princess, Blue, 9.27 x 9.27) vs. 1.21ct Diamond (Round, White, 6.93 x 6.93)
- 4.52ct Topaz (Princess, Blue, 9.27 x 9.27) vs. 0.65ct Citrine (Oval, Light Orange, 7.52 x 5.01)
- 0.9ct Topaz (Princess, Blue, 5.41 x 5.41) vs. 0.9ct Diamond (Cushion, White, 5.63 x 5.63)
- 2ct Topaz (Princess, Blue, 7.06 x 7.06) vs. 1ct Topaz (Princess, Blue, 5.6 x 5.6)
- 3ct Topaz (Princess, Blue, 8.08 x 8.08) vs. 4ct Topaz (Oval, Blue, 12 x 10)
- 1ct Topaz (Princess, Blue, 5.6 x 5.6) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
- 1ct Topaz (Princess, Blue, 5.6 x 5.6) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Topaz (Princess, Blue, 7.06 x 7.06) vs. 2ct Diamond (Princess, White, 6.94 x 6.94)





























