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Marquise|Lab Grown|IGI

4.65ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG845602367

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845602367

Diamond specifications and retailer prices

From £590 GBP
$791 USD
As of October 31, 2026
Save £3,481 GBP (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,859 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 4.65ct lab-grown marquise diamond

This 4.65ct 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 LG845602367 or 845602367. Listed at 4 retailers as of October 31, 2026, with a 590% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.65
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845602367
Dimensions17.97 × 8.69 × 5.33 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.97 mm8.69 mm4.65 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845602367
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £7,859 GBP|Low: £590 GBP|High: £7,859 GBP|Avg: £3,368 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3£590 GBP
Retailer 2£1,012 GBP
Retailer 4£4,071 GBP
Brilliant Earth£7,859 GBP

15 data points across 4 retailers

4 retailers£590 GBP to £4,071 GBP

A
Cheapest Retailer
-
£590 GBP
$791 USD
Final sale: no returns
A
Retailer 2
-
£1,012 GBP
View
B
Retailer 3
-
£4,071 GBP
$5,455 USD
View
Most Expensive
Brilliant Earth
22179225A · Oct 22
£7,859 GBP
$10,530 USD
View
Price last confirmed 10 days ago
3 more retailers have this diamond
Prices start from £590 GBPSave up to £3,481 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
4.65ct Marquise
£590 GBP