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Marquise|Lab Grown|IGI

4.57ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG821655045

Certificate IGI LG821655045

Diamond specifications and retailer prices

From £3,588 GBP
$4,815 USD
As of October 31, 2026
Save £1,569 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,157 GBP at Zales · As of October 30, 2026
View at Zales

About this 4.57ct lab-grown marquise diamond

This 4.57ct 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 LG821655045 or 821655045. Listed at 4 retailers as of October 30, 2026, with prices from £3,588 to £5,157, a £1,569 spread on the same certified stone. Zales lists it at £5,157. 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

4.57
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821655045
Dimensions17.08 × 8.78 × 5.38 mm
L/W Ratio1.95
Top View
17.08 mm8.78 mm4.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821655045
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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: £4,821 GBP|Low: £3,588 GBP|High: £5,157 GBP|Avg: £4,661 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 28, 2026
Retailer 2£3,588 GBP
Retailer 1£4,821 GBP
Retailer 3£5,157 GBP
Zales£5,157 GBP

2 data points across 4 retailers

4 retailers£3,588 GBP to £5,157 GBP

B
Cheapest Retailer
-
£3,588 GBP
$4,815 USD
B
Retailer 2
-
£4,821 GBP
$6,470 USD
View
B
Retailer 3
-
£5,157 GBP
$6,920 USD
View
Most Expensive
B
Zales
529240902 · Oct 30
£5,157 GBP
$6,920 USD
View
3 more retailers have this diamond
Prices start from £3,588 GBPSave up to £1,569 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
4.57ct Marquise
£3,588 GBP