CaratHunter
Plans
Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG813661595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813661595

Diamond specifications and retailer prices

From $432 CAD
As of November 4, 2026
Save $1,296 CAD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,920 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813661595 or 813661595. Listed at 17 retailers as of November 4, 2026, with a 300% 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
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813661595
Dimensions7.11 × 6.20 × 4.12 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.20 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813661595
Side View
Table 66.0%Crown 32.4°Girdle: STK-VTKPavilion 37.2°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,483 CAD|Low: $432 CAD|High: $2,021 CAD|Avg: $1,004 CAD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6$432 CAD
Retailer 9$601 CAD
Retailer 10$637 CAD
Retailer 8$640 CAD
Retailer 7$680 CAD
Retailer 3$729 CAD
Retailer 12$867 CAD
Retailer 11$1,244 CAD
Retailer 5$1,349 CAD
Retailer 4$1,407 CAD
Retailer 2$1,444 CAD
Retailer 1$1,483 CAD
Retailer 13$1,853 CAD

34 data points across 13 retailers

17 retailers$432 CAD to $1,728 CAD

A
Cheapest Retailer
-
$432 CAD
A
Retailer 2
-
$601 CAD
View
A
Retailer 3
-
$637 CAD
View
A
Retailer 4
-
$640 CAD
View
A
Retailer 5
-
$680 CAD
View
A
Retailer 6
-
$726 CAD
View
A
Retailer 7
-
$729 CAD
View
Retailer 8
-
$867 CAD
View
Price last confirmed 9 days ago
Retailer 9
-
$1,244 CAD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$1,265 CAD
View
B+
Retailer 11
-
$1,349 CAD
View
B+
Retailer 12
-
$1,407 CAD
View
B
Retailer 13
-
$1,444 CAD
View
B+
Retailer 14
-
$1,483 CAD
View
B
Retailer 15
-
$1,728 CAD
View
Retailer 16
-
$1,853 CAD
View
Price last confirmed 18 days ago
Most Expensive
Queensmith
LG813661595 · Oct 27
$2,920 CAD
£1,650 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $432 CADSave up to $1,296 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 Cushion
$432 CAD