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Round|Lab Grown|IGI

1.51ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG781631379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631379

Diamond specifications and retailer prices

From $360 CAD
As of November 5, 2026
Save $1,566 CAD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,542 CAD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781631379 or 781631379. Listed at 24 retailers as of November 5, 2026, with a 434% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631379
Dimensions7.38 × 7.44 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.44 mm1.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631379
Side View
Table 55.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,542 CAD|Low: $346 CAD|High: $2,668 CAD|Avg: $943 CAD|-4.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5$360 CAD
Retailer 4$419 CAD
Retailer 3$447 CAD
Retailer 6$447 CAD
Retailer 7$500 CAD
Retailer 12$670 CAD
Retailer 10$680 CAD
Retailer 15$728 CAD
Retailer 14$772 CAD
Retailer 2$838 CAD
Retailer 13$1,047 CAD
Retailer 9$1,161 CAD
Retailer 16$1,438 CAD
Retailer 8$1,760 CAD
Retailer 11$1,788 CAD
Brilliant Earth$2,542 CAD

35 data points across 16 retailers

24 retailers$360 CAD to $1,926 CAD

A
Cheapest Retailer
-
$360 CAD
A
Retailer 2
-
$402 CAD
View
Final sale: no returns
A
Retailer 3
-
$419 CAD
View
A
Retailer 4
-
$447 CAD
View
Retailer 5
-
$447 CAD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$500 CAD
View
B+
Retailer 7
-
$603 CAD
View
A
Retailer 8
-
$670 CAD
View
A
Retailer 9
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$680 CAD
View
A
Retailer 10
-
$698 CAD
View
Retailer 11
-
$728 CAD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$772 CAD
View
B+
Retailer 13
-
$838 CAD
View
B+
Retailer 14
-
$919 CAD
View
B+
Retailer 15
-
$1,047 CAD
View
B+
Retailer 16
-
$1,161 CAD
View
B
Retailer 17
-
$1,385 CAD
View
B
Retailer 18
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$1,438 CAD
View
B
Retailer 19
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$1,469 CAD
View
B
Retailer 20
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$1,510 CAD
View
B
Retailer 21
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$1,760 CAD
View
B
Retailer 22
-
$1,788 CAD
View
B
Retailer 23
-
$1,926 CAD
View
Most Expensive
Brilliant Earth
20979994A · Oct 27
$2,542 CAD
$1,820 USD
View
Price last confirmed 9 days ago
23 more retailers have this diamond
Prices start from $360 CADSave up to $1,566 CAD

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.

A
1.51ct Round
$360 CAD