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Marquise|Lab Grown|IGI

4.66ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG823617996

Certificate IGI LG823617996

Diamond specifications and retailer prices

From £3,664 GBP
$4,910 USD
As of October 31, 2026
Save £1,605 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,269 GBP at Zales · As of October 30, 2026
View at Zales

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 LG823617996 or 823617996. Listed at 4 retailers as of October 30, 2026, with prices from £3,664 to £5,269, a £1,605 spread on the same certified stone. Zales lists it at £5,269. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG823617996
Dimensions17.11 × 9.02 × 5.50 mm
L/W Ratio1.90
Top View
17.11 mm9.02 mm4.66 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823617996
Side View
Table 62.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,075 GBP|Low: £3,664 GBP|High: £5,269 GBP|Avg: £4,844 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 28, 2026
Retailer 2£3,664 GBP
Retailer 1£5,075 GBP
Retailer 3£5,269 GBP
Zales£5,269 GBP

3 data points across 4 retailers

4 retailers£3,664 GBP to £5,269 GBP

B
Cheapest Retailer
-
£3,664 GBP
$4,910 USD
B
Retailer 2
-
£5,075 GBP
$6,800 USD
View
B
Retailer 3
-
£5,269 GBP
$7,060 USD
View
Most Expensive
B
Zales
529241555 · Oct 30
£5,269 GBP
$7,060 USD
View
3 more retailers have this diamond
Prices start from £3,664 GBPSave up to £1,605 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.

B
4.66ct Marquise
£3,664 GBP