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Marquise|Lab Grown|IGI

3.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG799605965

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799605965

Diamond specifications and retailer prices

From £612 GBP
$820 USD
As of October 30, 2026
Save £3,896 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,508 GBP at Brilliant Earth · As of October 25, 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 LG799605965 or 799605965. Listed at 21 retailers as of October 25, 2026, with prices from £612 to £4,508, a £3,896 spread on the same certified stone. Brilliant Earth lists it at £4,508. 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 angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799605965
Dimensions14.97 × 7.59 × 4.72 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.97 mm7.59 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799605965
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £4,508 GBP|Low: £588 GBP|High: £4,642 GBP|Avg: £1,701 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 22
October 30, 2026
Retailer 8£612 GBP
Retailer 12£666 GBP
Retailer 22£685 GBP
Retailer 9£711 GBP
Retailer 16£843 GBP
Retailer 4£877 GBP
Retailer 19£908 GBP
Retailer 17£1,026 GBP
Retailer 11£1,046 GBP
Retailer 2£1,090 GBP
Retailer 18£1,479 GBP
Retailer 20£1,602 GBP
Retailer 21£1,633 GBP
Retailer 13£1,649 GBP
Retailer 15£1,911 GBP
Retailer 6£1,948 GBP
Retailer 10£1,996 GBP
Retailer 5£2,166 GBP
Retailer 7£2,223 GBP
Retailer 3£2,677 GBP
Retailer 14£2,811 GBP
Brilliant Earth£4,508 GBP

42 data points across 22 retailers

21 retailers£612 GBP to £4,508 GBP

A
Cheapest Retailer
-
£612 GBP
$820 USD
A
Retailer 2
-
£666 GBP
$893 USD
View
A
Retailer 3
-
£685 GBP
$918 USD
View
Final sale: no returns
A
Retailer 4
-
£711 GBP
$952 USD
View
A
Retailer 5
-
£843 GBP
$1,130 USD
View
Retailer 6
-
£877 GBP
View
Price last confirmed 17 days ago
A
Retailer 7
-
£908 GBP
HK$9,500 HKD
View
A
Retailer 8
-
£1,026 GBP
$1,375 USD
View
B+
Retailer 9
-
£1,046 GBP
$1,402 USD
View
B+
Retailer 10
-
£1,090 GBP
View
B+
Retailer 11
-
£1,479 GBP
A$3,048 AUD
View
Retailer 12
-
£1,602 GBP
A$3,303 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£1,633 GBP
$2,188 USD
View
B+
Retailer 14
-
£1,649 GBP
ZAR 35,695 ZAR
View
Retailer 15
-
£1,948 GBP
A$4,015 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
£1,996 GBP
$2,675 USD
View
B
Retailer 17
-
£2,166 GBP
$2,902 USD
View
B
Retailer 18
-
£2,223 GBP
$2,978 USD
View
Retailer 19
-
£2,677 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
£2,811 GBP
$3,767 USD
View
Most Expensive
B
Brilliant Earth
19995889A · Oct 25
£4,508 GBP
$6,040 USD
View
20 more retailers have this diamond
Prices start from £612 GBPSave up to £3,896 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
£612 GBP