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Marquise|Lab Grown|IGI

3.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG839645869

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839645869

Diamond specifications and retailer prices

From £590 GBP
$790 USD
As of October 29, 2026
Save £3,859 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,448 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG839645869 or 839645869. Listed at 19 retailers as of October 24, 2026, with prices from £590 to £4,448, a £3,859 spread on the same certified stone. Brilliant Earth lists it at £4,448. 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

3.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839645869
Dimensions14.49 × 7.46 × 4.86 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.49 mm7.46 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839645869
Side View
Table 56.0%Crown 34.7°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,745 GBP|Low: £410 GBP|High: £4,372 GBP|Avg: £1,689 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 9£410 GBP
Retailer 6£590 GBP
Retailer 12£605 GBP
Retailer 13£634 GBP
Retailer 16£761 GBP
Retailer 5£793 GBP
Retailer 14£1,117 GBP
Retailer 11£1,187 GBP
Retailer 7£1,446 GBP
Retailer 17£1,696 GBP
Retailer 1£1,745 GBP
Retailer 4£1,798 GBP
Retailer 3£1,823 GBP
Retailer 8£2,041 GBP
Retailer 18£2,308 GBP
Retailer 2£2,643 GBP
Retailer 15£3,433 GBP
Retailer 10£4,372 GBP

19 data points across 18 retailers

19 retailers£590 GBP to £4,448 GBP

Retailer 1
-
£410 GBP
$550 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£590 GBP
$790 USD
View
A
Retailer 3
-
£605 GBP
View
B+
Retailer 4
-
£634 GBP
$850 USD
View
A
Retailer 5
-
£761 GBP
$1,020 USD
View
A
Retailer 6
-
£793 GBP
€1,012 EUR
View
B+
Retailer 7
-
£1,117 GBP
A$2,302 AUD
View
B+
Retailer 8
-
£1,187 GBP
$1,591 USD
View
Retailer 9
-
£1,446 GBP
$1,937 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£1,696 GBP
$2,272 USD
View
B
Retailer 11
-
£1,745 GBP
A$3,597 AUD
View
B+
Retailer 12
-
£1,798 GBP
$2,409 USD
View
B+
Retailer 13
-
£1,823 GBP
SGD 3,301 SGD
View
B
Retailer 14
-
£2,041 GBP
$2,735 USD
View
B
Retailer 15
-
£2,308 GBP
View
B
Retailer 16
-
£2,643 GBP
$3,541 USD
View
B
Retailer 17
-
£3,433 GBP
$4,600 USD
View
B
Retailer 18
-
£4,372 GBP
$5,858 USD
View
Most Expensive
B
Brilliant Earth
21729839Y · Oct 24
£4,448 GBP
$5,960 USD
View
18 more retailers have this diamond
Prices start from £590 GBPSave up to £3,859 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
3.03ct Marquise
£590 GBP