Marquise|Lab Grown|IGI

5.03ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG845634424

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845634424

Diamond specifications and retailer prices

From £2,881 GBP
$3,860 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £2,881 GBP at Brilliant Earth
View at Brilliant Earth

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845634424 or 845634424. Listed at 2 retailers as of October 31, 2026. 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

5.03
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845634424
Dimensions18.26 × 8.90 × 5.51 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.26 mm8.90 mm5.03 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845634424
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £2,881 GBP|Low: £818 GBP|High: £2,881 GBP|Avg: £1,849 GBP
Brilliant Earth
Retailer 2
October 21, 2026
Retailer 2£818 GBP
Brilliant Earth£2,881 GBP

5 data points across 2 retailers

2 retailers

Retailer 1
-
£818 GBP
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22150330A · Oct 31
£2,881 GBP
$3,860 USD
View
1 more retailer has this diamond

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.

B
5.03ct Marquise
£2,881 GBP