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Radiant|Lab Grown|IGI

0.91ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG497181791

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG497181791

Diamond specifications and retailer prices

From $646 USD
As of October 28, 2026
Save $842 USD (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,488 USD at Diamond Exchange Canada · As of October 27, 2026
View at Diamond Exchange Canada

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG497181791 or 497181791. Listed at 3 retailers as of October 27, 2026, with prices from $646 to $1,488, a $842 spread on the same certified stone. Diamond Exchange Canada lists it at $1,488. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497181791
Dimensions6.54 × 4.71 × 3.18 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.54 mm4.71 mm0.91 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497181791
Side View
Table 62.5%Crown 41.3°Girdle: Slightly ThickPavilion 30.1°Culet: NoneDepth 67.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $1,488 USD|Low: $456 USD|High: $5,580 USD|Avg: $1,777 USD|+6.0%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
August 26, 2026
Retailer 4$501 USD
Retailer 2$646 USD
Diamond Exchange Canada$1,488 USD
Retailer 3$2,980 USD

28 data points across 4 retailers

3 retailers$646 USD to $1,488 USD

B+
Cheapest Retailer
-
$646 USD
Most Expensive
B
Diamond Exchange Canada
1920449663 · Oct 27
$1,488 USD
CA$2,066 CAD
View
1 more retailer has this diamond
Prices start from $646 USDSave up to $842 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.91ct Radiant
$646 USD