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Marquise|Lab Grown|IGI

3.23ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG830634784

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830634784

Diamond specifications and retailer prices

From £940 GBP
$1,260 USD
As of October 30, 2026
Save £2,642 GBP (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,582 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.23ct lab-grown marquise diamond

This 3.23ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830634784 or 830634784. Listed at 10 retailers as of October 30, 2026, with prices from £940 to £3,582, a £2,642 spread on the same certified stone. Brilliant Earth lists it at £3,582. 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

3.23
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830634784
Dimensions14.75 × 7.76 × 4.83 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.76 mm3.23 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830634784
Side View
Table 58.0%Crown 35.5°Girdle: STK-THKPavilion 39.4°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: £3,582 GBP|Low: £940 GBP|High: £3,582 GBP|Avg: £1,673 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6£940 GBP
Retailer 8£941 GBP
Retailer 2£1,007 GBP
Retailer 4£1,042 GBP
Retailer 7£1,525 GBP
Retailer 3£1,526 GBP
Retailer 9£2,135 GBP
Retailer 10£2,269 GBP
Retailer 5£2,467 GBP
Brilliant Earth£3,582 GBP

22 data points across 10 retailers

10 retailers£940 GBP to £3,582 GBP

A
Cheapest Retailer
-
£940 GBP
$1,260 USD
A
Retailer 2
-
£941 GBP
$1,261 USD
View
A
Retailer 3
-
£1,007 GBP
View
A
Retailer 4
-
£1,042 GBP
€1,330 EUR
View
B+
Retailer 5
-
£1,525 GBP
$2,044 USD
View
B+
Retailer 6
-
£1,526 GBP
ZAR 33,038 ZAR
View
B+
Retailer 7
-
£2,135 GBP
$2,861 USD
View
B+
Retailer 8
-
£2,269 GBP
$3,040 USD
View
B+
Retailer 9
-
£2,467 GBP
View
Most Expensive
B
Brilliant Earth
21818679A · Oct 30
£3,582 GBP
$4,800 USD
View
9 more retailers have this diamond
Prices start from £940 GBPSave up to £2,642 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
3.23ct Marquise
£940 GBP