Marquise|Lab Grown|IGI

4.50ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG814638030

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814638030

Diamond specifications and retailer prices

From €722 EUR
HK$6,300 HKD
As of October 30, 2026
Save €755 EUR (51%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,616 EUR at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 4.5ct lab-grown marquise diamond

This 4.5ct lab-grown marquise 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 LG814638030 or 814638030. Listed at 21 retailers as of October 26, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814638030
Dimensions16.77 × 8.83 × 5.31 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.77 mm8.83 mm4.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814638030
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €3,616 EUR|Low: €508 EUR|High: €3,616 EUR|Avg: €1,446 EUR
Brilliant Earth
Retailer 2
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Retailer 19
October 25, 2026
Retailer 16€530 EUR
Retailer 7€593 EUR
Retailer 4€593 EUR
Retailer 19€625 EUR
Retailer 15€657 EUR
Retailer 13€756 EUR
Retailer 9€952 EUR
Retailer 2€954 EUR
Retailer 5€1,008 EUR
Retailer 12€1,014 EUR
Retailer 8€1,335 EUR
Retailer 3€1,477 EUR
Retailer 14€1,728 EUR
Retailer 11€1,910 EUR
Retailer 10€2,077 EUR
Retailer 6€2,095 EUR
Retailer 17€2,533 EUR
Retailer 18€2,867 EUR
Brilliant Earth€3,616 EUR

32 data points across 19 retailers

21 retailers€722 EUR to €1,477 EUR

Retailer 1
-
€530 EUR
$592 USD
Price last confirmed 9 days ago
Retailer 2
-
€593 EUR
$663 USD
View
Price last confirmed 11 days ago
Retailer 3
-
€625 EUR
£550 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
€657 EUR
$734 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
€722 EUR
HK$6,300 HKD
View
Retailer 6
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€756 EUR
$845 USD
View
Price last confirmed 9 days ago
Retailer 7
-
€952 EUR
$1,064 USD
View
Price last confirmed 7 days ago
Retailer 8
-
€954 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
€1,008 EUR
$1,126 USD
View
Price last confirmed 9 days ago
Retailer 10
-
€1,014 EUR
£892 GBP
View
Price last confirmed 8 days ago
A
Retailer 11
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€1,335 EUR
$1,492 USD
View
B+
Retailer 12
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€1,477 EUR
$1,650 USD
View
Retailer 13
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€1,728 EUR
$1,930 USD
View
Price last confirmed 10 days ago
Retailer 14
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€1,910 EUR
£1,680 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
€2,077 EUR
SGD 3,136 SGD
View
Price last confirmed 9 days ago
Retailer 16
-
€2,095 EUR
$2,341 USD
View
Price last confirmed 8 days ago
Retailer 17
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€2,533 EUR
$2,830 USD
View
Price last confirmed 14 days ago
Retailer 18
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€2,867 EUR
£2,522 GBP
View
Price last confirmed 11 days ago
Retailer 19
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€2,897 EUR
$3,236 USD
View
Price last confirmed 7 days ago
Retailer 20
-
€3,616 EUR
$4,040 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
20525240A · Oct 23
€3,616 EUR
$4,040 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from €722 EURSave up to €755 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 Marquise
€722 EUR