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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 $941 SGD
£580 GBP
As of October 27, 2026
Save $3,942 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,883 SGD 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 $941 to $4,883, a $3,942 spread on the same certified stone. Brilliant Earth lists it at $4,883. 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
Colour
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: $4,883 SGD|Low: $895 SGD|High: $4,883 SGD|Avg: $2,366 SGD
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$895 SGD
Retailer 15$941 SGD
Retailer 11$1,064 SGD
Retailer 14$1,144 SGD
Retailer 5$1,395 SGD
Retailer 10$1,436 SGD
Retailer 17$1,519 SGD
Retailer 16$1,545 SGD
Retailer 3$1,923 SGD
Retailer 2$2,140 SGD
Retailer 8$2,883 SGD
Retailer 13$3,100 SGD
Retailer 7$3,165 SGD
Retailer 9$3,861 SGD
Retailer 4$3,914 SGD
Retailer 12$4,336 SGD
Brilliant Earth$4,883 SGD

34 data points across 17 retailers

16 retailers$941 SGD to $4,883 SGD

A
Cheapest Retailer
-
$941 SGD
£580 GBP
A
Retailer 2
-
$1,064 SGD
HK$6,500 HKD
View
A
Retailer 3
-
$1,144 SGD
$895 USD
View
A
Retailer 4
-
$1,395 SGD
$1,091 USD
View
A
Retailer 5
-
$1,436 SGD
€1,070 EUR
View
B+
Retailer 6
-
$1,519 SGD
$1,188 USD
View
A
Retailer 7
-
$1,545 SGD
£952 GBP
View
A
Retailer 8
-
$1,923 SGD
$1,504 USD
View
A
Retailer 9
-
$2,140 SGD
$1,674 USD
View
B+
Retailer 10
-
$2,883 SGD
£1,776 GBP
View
B+
Retailer 11
-
$3,100 SGD
View
B+
Retailer 12
-
$3,165 SGD
$2,476 USD
View
B+
Retailer 13
-
$3,861 SGD
$3,020 USD
View
B+
Retailer 14
-
$3,914 SGD
£2,411 GBP
View
B
Retailer 15
-
$4,336 SGD
$3,392 USD
View
Most Expensive
B
Brilliant Earth
20228215A · Oct 29
$4,883 SGD
$3,820 USD
View
15 more retailers have this diamond
Prices start from $941 SGDSave up to $3,942 SGD

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
$941 SGD