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Marquise|Lab Grown|IGI

4.50ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG831684299

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831684299

Diamond specifications and retailer prices

From €634 EUR
£558 GBP
As of November 1, 2026
Save €3,483 EUR (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,117 EUR at Brilliant Earth · As of October 31, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831684299 or 831684299. Listed at 10 retailers as of October 31, 2026, with prices from €634 to €4,117, a €3,483 spread on the same certified stone. Brilliant Earth lists it at €4,117. 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
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831684299
Dimensions16.85 × 8.65 × 5.37 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.85 mm8.65 mm4.50 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831684299
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

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: Nov 1
Current: €4,117 EUR|Low: €634 EUR|High: €4,117 EUR|Avg: €1,770 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2€634 EUR
Retailer 5€868 EUR
Retailer 9€1,003 EUR
Retailer 3€1,128 EUR
Retailer 7€1,591 EUR
Retailer 6€1,814 EUR
Retailer 8€2,260 EUR
Retailer 4€2,957 EUR
Brilliant Earth€4,117 EUR

5 data points across 9 retailers

10 retailers€634 EUR to €4,117 EUR

A
Cheapest Retailer
-
€634 EUR
£558 GBP
A
Retailer 2
-
€711 EUR
$794 USD
View
A
Retailer 3
-
€868 EUR
$970 USD
View
B+
Retailer 4
-
€1,003 EUR
$1,120 USD
View
A
Retailer 5
-
€1,128 EUR
£992 GBP
View
A
Retailer 6
-
€1,591 EUR
$1,778 USD
View
B+
Retailer 7
-
€1,814 EUR
$2,027 USD
View
B+
Retailer 8
-
€2,260 EUR
$2,525 USD
View
B+
Retailer 9
-
€2,957 EUR
A$5,082 AUD
View
Most Expensive
B
Brilliant Earth
22352570A · Oct 31
€4,117 EUR
$4,600 USD
View
9 more retailers have this diamond
Prices start from €634 EURSave up to €3,483 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
€634 EUR