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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG823677258

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG823677258

Diamond specifications and retailer prices

From $800 CAD
As of November 3, 2026
Save $1,327 CAD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,193 CAD at MOH London · As of October 26, 2026
View at MOH London

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 LG823677258 or 823677258. Listed at 17 retailers as of November 3, 2026, with a 166% 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 angle32.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823677258
Dimensions5.85 × 5.85 × 3.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm5.85 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823677258
Side View
Table 55.0%Crown 32.1°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.7%

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 3
Current: $2,193 CAD|Low: $474 CAD|High: $3,532 CAD|Avg: $1,292 CAD|-37.8%
MOH London
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 14$557 CAD
Retailer 18$640 CAD
Retailer 17$732 CAD
Retailer 12$800 CAD
Retailer 16$833 CAD
Retailer 5$924 CAD
Retailer 3$968 CAD
Retailer 11$971 CAD
Retailer 6$1,010 CAD
Retailer 9$1,058 CAD
Retailer 4$1,282 CAD
Retailer 10$1,354 CAD
Retailer 2$1,523 CAD
Retailer 13$1,561 CAD
Retailer 7$1,820 CAD
Retailer 15$2,126 CAD
Retailer 8$2,179 CAD
MOH London$2,193 CAD

35 data points across 18 retailers

17 retailers$800 CAD to $2,126 CAD

Retailer 1
-
$640 CAD
Price last confirmed 9 days ago
Retailer 2
-
$732 CAD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$800 CAD
View
B+
Retailer 4
-
$833 CAD
View
Retailer 5
-
$924 CAD
View
Price last confirmed 13 days ago
Retailer 6
-
$968 CAD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$971 CAD
View
Retailer 8
-
$1,010 CAD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,058 CAD
View
Retailer 10
-
$1,282 CAD
View
Price last confirmed 11 days ago
Retailer 11
-
$1,354 CAD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,523 CAD
View
B
Retailer 13
-
$1,561 CAD
View
Retailer 14
-
$1,820 CAD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$2,126 CAD
View
Retailer 16
-
$2,179 CAD
View
Price last confirmed 11 days ago
Most Expensive
MOH London
LG823677258 · Oct 26
$2,193 CAD
£1,239 GBP
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $800 CADSave up to $1,327 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
$800 CAD