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Marquise|Lab Grown|IGI

3.03ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG843642846

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843642846

Diamond specifications and retailer prices

From £428 GBP
$574 USD
As of October 24, 2026
Save £2,385 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,814 GBP at Brilliant Earth · As of October 27, 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 very-good cut grade and certified by IGI LG843642846 or 843642846. Listed at 20 retailers as of October 24, 2026, with prices from £428 to £2,814, a £2,385 spread on the same certified stone. Brilliant Earth lists it at £2,814. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843642846
Dimensions14.52 × 7.60 × 4.76 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.52 mm7.60 mm3.03 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843642846
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 24
Current: £2,814 GBP|Low: £383 GBP|High: £2,814 GBP|Avg: £1,053 GBP|+4.7%
Brilliant Earth
Retailer 2
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Retailer 21
October 27, 2026
Retailer 8£383 GBP
Retailer 4£428 GBP
Retailer 17£428 GBP
Retailer 7£475 GBP
Retailer 19£516 GBP
Retailer 13£542 GBP
Retailer 3£578 GBP
Retailer 14£636 GBP
Retailer 12£685 GBP
Retailer 15£723 GBP
Retailer 2£726 GBP
Retailer 9£967 GBP
Retailer 18£1,021 GBP
Retailer 21£1,225 GBP
Retailer 5£1,248 GBP
Retailer 6£1,502 GBP
Retailer 11£1,544 GBP
Retailer 20£1,636 GBP
Retailer 10£1,659 GBP
Retailer 16£1,984 GBP
Brilliant Earth£2,814 GBP

10 data points across 21 retailers

20 retailers£428 GBP to £2,814 GBP

Retailer 1
-
£383 GBP
$513 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£428 GBP
$574 USD
View
A
Retailer 3
-
£475 GBP
$636 USD
View
A
Retailer 4
-
£516 GBP
HK$5,400 HKD
View
A
Retailer 5
-
£542 GBP
View
A
Retailer 6
-
£578 GBP
$775 USD
View
B+
Retailer 7
-
£636 GBP
$852 USD
View
A
Retailer 8
-
£685 GBP
$918 USD
View
A
Retailer 9
-
£723 GBP
€922 EUR
View
A
Retailer 10
-
£726 GBP
View
B+
Retailer 11
-
£967 GBP
$1,296 USD
View
B+
Retailer 12
-
£1,021 GBP
ZAR 22,103 ZAR
View
B+
Retailer 13
-
£1,225 GBP
$1,641 USD
View
B+
Retailer 14
-
£1,248 GBP
$1,672 USD
View
B+
Retailer 15
-
£1,502 GBP
SGD 2,719 SGD
View
B
Retailer 16
-
£1,544 GBP
$2,069 USD
View
B
Retailer 17
-
£1,636 GBP
$2,192 USD
View
B
Retailer 18
-
£1,659 GBP
$2,223 USD
View
B
Retailer 19
-
£1,984 GBP
View
Most Expensive
B
Brilliant Earth
22294139A · Oct 27
£2,814 GBP
$3,770 USD
View
19 more retailers have this diamond
Prices start from £428 GBPSave up to £2,385 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
£428 GBP