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Cushion|Lab Grown|IGI

4.50ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG811608540

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811608540

Diamond specifications and retailer prices

From $1,029 CAD
£580 GBP
As of October 27, 2026
Save $4,308 CAD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,336 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.5ct lab-grown cushion diamond

This 4.5ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811608540 or 811608540. Listed at 16 retailers as of October 27, 2026, with prices from $1,029 to $5,336, a $4,308 spread on the same certified stone. Brilliant Earth lists it at $5,336. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811608540
Dimensions9.54 × 9.18 × 5.80 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm9.18 mm4.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811608540
Side View
Table 62.0%Crown 34.7°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 63.2%

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: Oct 27
Current: $5,336 CAD|Low: $978 CAD|High: $5,336 CAD|Avg: $2,585 CAD
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
Retailer 17
October 31, 2026
Retailer 6$978 CAD
Retailer 15$1,029 CAD
Retailer 11$1,162 CAD
Retailer 14$1,250 CAD
Retailer 5$1,524 CAD
Retailer 10$1,569 CAD
Retailer 17$1,660 CAD
Retailer 16$1,688 CAD
Retailer 3$2,101 CAD
Retailer 2$2,338 CAD
Retailer 8$3,151 CAD
Retailer 13$3,387 CAD
Retailer 7$3,459 CAD
Retailer 9$4,219 CAD
Retailer 4$4,277 CAD
Retailer 12$4,738 CAD
Brilliant Earth$5,336 CAD

34 data points across 17 retailers

16 retailers$1,029 CAD to $5,336 CAD

A
Cheapest Retailer
-
$1,029 CAD
£580 GBP
A
Retailer 2
-
$1,162 CAD
HK$6,500 HKD
View
A
Retailer 3
-
$1,250 CAD
$895 USD
View
A
Retailer 4
-
$1,524 CAD
$1,091 USD
View
A
Retailer 5
-
$1,569 CAD
€1,070 EUR
View
B+
Retailer 6
-
$1,660 CAD
$1,188 USD
View
A
Retailer 7
-
$1,688 CAD
£952 GBP
View
A
Retailer 8
-
$2,101 CAD
$1,504 USD
View
A
Retailer 9
-
$2,338 CAD
$1,674 USD
View
B+
Retailer 10
-
$3,151 CAD
£1,776 GBP
View
B+
Retailer 11
-
$3,387 CAD
SGD 3,277 SGD
View
B+
Retailer 12
-
$3,459 CAD
$2,476 USD
View
B+
Retailer 13
-
$4,219 CAD
$3,020 USD
View
B+
Retailer 14
-
$4,277 CAD
£2,411 GBP
View
B
Retailer 15
-
$4,738 CAD
$3,392 USD
View
Most Expensive
B
Brilliant Earth
20228215A · Oct 29
$5,336 CAD
$3,820 USD
View
15 more retailers have this diamond
Prices start from $1,029 CADSave up to $4,308 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
4.50ct Cushion
$1,029 CAD