20 Carat Sapphire Baguette (18.81×12.54 mm)
Actual size is set for screen
Change
Settings »
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 |
Saved...
|
Ring diameter:
16.9 mm
|
Additional Info
Sapphire got its name from the Greek word "sappheiros", which means "blue stone". Today, most people still associate Sapphires with the color blue, however, any gemstone quality Corundum that is not red (Ruby) is actually called Sapphire.
Where to buy?
Where to buy?
For certified gemstones and high-end gemstone jewelry, check offers at:
James Allen → high-quality blue Sapphires, high-end jewelry and competitive prices
Blue Nile → gemstones and diamonds, birthstones jewelry
Brian Gavin → nice selection of gemstones, top-end signature diamonds
Gem Details
Name:
|
Sapphire |
Mineral Class:
|
Corundum |
Shape:
|
Baguette |
Chemical Formula:
|
Al2O3 |
Crystal Structure:
|
Hexagonal |
Hardness:
|
9 |
Specific Gravity
|
4 |
Carat weight:
|
20 ct |
Gram weight:
|
4 g (0.1411 ounces) |
Points:
|
2000 pts |
Length:
|
18.81 mm |
Width:
|
12.54 mm |
Est. face-up size:
|
235.88 mm² |
Volume:
|
1000 mm³ |
Length-to-width ratio:
|
1.5 |
Refractive Index:
|
1.76 - 1.77 |
Cleavage:
|
None |
Luster:
|
Vitreous to adamantine |
Birefringence:
|
0.0008 |
Wearability:
|
Excellent |
Care Instructions:
|
No special or unusual care |
Color:
|
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Birthstone:
|
Sapphire is a birthstone for the month of September |
Popular comparisons:
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 1ct Peridot (Oval, Yellowish Green, 8.03 x 5.35)
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 20ct Peridot (Oval, Yellowish Green, 21.78 x 14.52)
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 10ct Emerald (Marquise, Green, 24.24 x 12.12)
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 18ct Peridot (Oval, Yellowish Green, 21.03 x 14.02)
- 20ct Sapphire (Baguette, Blue, 18.81 x 12.54) vs. 15ct Peridot (Oval, Yellowish Green, 19.79 x 13.19)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 3.05ct Diamond (Emerald, White, 9.69 x 7.18)
- 0.15ct Sapphire (Baguette, Blue, 3.68 x 2.45) vs. 0.15ct Diamond (Emerald, White, 3.55 x 2.63)
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.