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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG598350180

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598350180

Diamond specifications and retailer prices

From $395 CAD
£223 GBP
As of October 30, 2026
Save $1,156 CAD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,551 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598350180 or 598350180. Listed at 13 retailers as of October 30, 2026, with prices from $395 to $1,551, a $1,156 spread on the same certified stone. Brilliant Earth lists it at $1,551. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598350180
Dimensions7.03 × 6.63 × 4.20 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.03 mm6.63 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598350180
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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: Oct 30
Current: $1,551 CAD|Low: $395 CAD|High: $1,886 CAD|Avg: $951 CAD|-17.8%
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
October 30, 2026
Retailer 8$395 CAD
Retailer 7$454 CAD
Retailer 9$615 CAD
Retailer 4$616 CAD
Retailer 12$617 CAD
Retailer 10$659 CAD
Retailer 2$800 CAD
Retailer 13$851 CAD
Retailer 11$1,158 CAD
Retailer 6$1,249 CAD
Retailer 5$1,264 CAD
Retailer 3$1,462 CAD
Brilliant Earth$1,551 CAD

20 data points across 13 retailers

13 retailers$395 CAD to $1,551 CAD

A
Cheapest Retailer
-
$395 CAD
£223 GBP
B+
Retailer 2
-
$454 CAD
$325 USD
View
A
Retailer 3
-
$615 CAD
£346 GBP
View
Retailer 4
-
$616 CAD
ZAR 7,127 ZAR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$617 CAD
€421 EUR
View
A
Retailer 6
-
$659 CAD
$472 USD
View
A
Retailer 7
-
$800 CAD
$573 USD
View
A
Retailer 8
-
$851 CAD
A$937 AUD
View
B+
Retailer 9
-
$1,158 CAD
$829 USD
View
B+
Retailer 10
-
$1,249 CAD
$894 USD
View
Retailer 11
-
$1,264 CAD
$905 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$1,462 CAD
£824 GBP
View
Most Expensive
B
Brilliant Earth
21837200A · Oct 30
$1,551 CAD
$1,110 USD
View
12 more retailers have this diamond
Prices start from $395 CADSave up to $1,156 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
$395 CAD