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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 €659 EUR
£580 GBP
As of October 27, 2026
Save €2,760 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,419 EUR 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 €659 to €3,419, a €2,760 spread on the same certified stone. Brilliant Earth lists it at €3,419. 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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Price History

Last verified: Oct 27
Current: €3,419 EUR|Low: €627 EUR|High: €3,419 EUR|Avg: €1,651 EUR
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€627 EUR
Retailer 15€659 EUR
Retailer 11€745 EUR
Retailer 14€801 EUR
Retailer 5€977 EUR
Retailer 2€997 EUR
Retailer 17€1,063 EUR
Retailer 16€1,082 EUR
Retailer 3€1,346 EUR
Retailer 10€1,498 EUR
Retailer 8€2,019 EUR
Retailer 13€2,171 EUR
Retailer 7€2,216 EUR
Retailer 9€2,703 EUR
Retailer 4€2,741 EUR
Retailer 12€3,036 EUR
Brilliant Earth€3,419 EUR

34 data points across 17 retailers

16 retailers€659 EUR to €3,419 EUR

A
Cheapest Retailer
-
€659 EUR
£580 GBP
A
Retailer 2
-
€745 EUR
HK$6,500 HKD
View
A
Retailer 3
-
€801 EUR
$895 USD
View
A
Retailer 4
-
€977 EUR
$1,091 USD
View
A
Retailer 5
-
€997 EUR
View
B+
Retailer 6
-
€1,063 EUR
$1,188 USD
View
A
Retailer 7
-
€1,082 EUR
£952 GBP
View
A
Retailer 8
-
€1,346 EUR
$1,504 USD
View
A
Retailer 9
-
€1,498 EUR
$1,674 USD
View
B+
Retailer 10
-
€2,019 EUR
£1,776 GBP
View
B+
Retailer 11
-
€2,171 EUR
SGD 3,277 SGD
View
B+
Retailer 12
-
€2,216 EUR
$2,476 USD
View
B+
Retailer 13
-
€2,703 EUR
$3,020 USD
View
B+
Retailer 14
-
€2,741 EUR
£2,411 GBP
View
B
Retailer 15
-
€3,036 EUR
$3,392 USD
View
Most Expensive
B
Brilliant Earth
20228215A · Oct 29
€3,419 EUR
$3,820 USD
View
15 more retailers have this diamond
Prices start from €659 EURSave up to €2,760 EUR

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
€659 EUR