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Marquise|Lab Grown|IGI

4.66ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG847669954

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847669954

Diamond specifications and retailer prices

From £596 GBP
$800 USD
As of November 1, 2026
Save £3,469 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,065 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 4.66ct lab-grown marquise diamond

This 4.66ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847669954 or 847669954. Listed at 3 retailers as of November 1, 2026, with prices from £596 to £4,065, a £3,469 spread on the same certified stone. Rare Carat lists it at £4,065. 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

4.66
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847669954
Dimensions18.07 × 8.64 × 5.31 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.07 mm8.64 mm4.66 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847669954
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £4,065 GBP|Low: £596 GBP|High: £4,069 GBP|Avg: £1,954 GBP|-0.1%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£596 GBP
Retailer 2£1,023 GBP
Rare Carat£4,065 GBP

7 data points across 3 retailers

3 retailers£596 GBP to £4,065 GBP

A
Cheapest Retailer
-
£596 GBP
$800 USD
Final sale: no returns
A
Retailer 2
-
£1,023 GBP
View
Most Expensive
B
Rare Carat
847669954 · Nov 1
£4,065 GBP
$5,455 USD
View
2 more retailers have this diamond
Prices start from £596 GBPSave up to £3,469 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
4.66ct Marquise
£596 GBP