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Marquise|Lab Grown|IGI

5.00ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG846649489

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846649489

Diamond specifications and retailer prices

From £749 GBP
As of October 27, 2026
Save £2,117 GBP (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,866 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 5ct lab-grown marquise diamond

This 5ct 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 LG846649489 or 846649489. Listed at 2 retailers as of October 26, 2026, with prices from £749 to £2,866, a £2,117 spread on the same certified stone. Brilliant Earth lists it at £2,866. 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

5.00
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846649489
Dimensions18.23 × 8.98 × 5.51 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.23 mm8.98 mm5.00 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846649489
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £2,866 GBP|Low: £745 GBP|High: £2,866 GBP|Avg: £1,806 GBP
Brilliant Earth
Retailer 2
October 27, 2026
Retailer 2£749 GBP
Brilliant Earth£2,866 GBP

4 data points across 2 retailers

2 retailers£749 GBP to £2,866 GBP

A
Cheapest Retailer
-
£749 GBP
Most Expensive
B
Brilliant Earth
22237242A · Oct 26
£2,866 GBP
$3,840 USD
View
1 more retailer has this diamond
Prices start from £749 GBPSave up to £2,117 GBP

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
5.00ct Marquise
£749 GBP