Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG847635812

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847635812

Diamond specifications and retailer prices

From £442 GBP
$592 USD
As of October 28, 2026
Save £2,297 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,739 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG847635812 or 847635812. Listed at 18 retailers as of October 28, 2026, with prices from £442 to £2,739, a £2,297 spread on the same certified stone. Brilliant Earth lists it at £2,739. 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

3.09
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847635812
Dimensions14.60 × 7.82 × 4.75 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.60 mm7.82 mm3.09 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847635812
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 28
Current: £758 GBP|Low: £442 GBP|High: £2,097 GBP|Avg: £1,041 GBP|+13.8%
Retailer 1
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Retailer 4
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 4£442 GBP
Retailer 2£457 GBP
Retailer 10£559 GBP
Retailer 5£590 GBP
Retailer 15£699 GBP
Retailer 9£755 GBP
Retailer 1£758 GBP
Retailer 12£758 GBP
Retailer 6£1,005 GBP
Retailer 11£1,032 GBP
Retailer 16£1,062 GBP
Retailer 8£1,292 GBP
Retailer 13£1,588 GBP
Retailer 7£1,589 GBP
Retailer 17£1,692 GBP
Retailer 14£2,052 GBP
Retailer 3£2,097 GBP

8 data points across 17 retailers

18 retailers£442 GBP to £2,739 GBP

A
Cheapest Retailer
-
£442 GBP
$592 USD
A
Retailer 2
-
£457 GBP
$612 USD
View
Final sale: no returns
A
Retailer 3
-
£559 GBP
View
A
Retailer 4
-
£590 GBP
$790 USD
View
A
Retailer 5
-
£699 GBP
$937 USD
View
A
Retailer 6
-
£755 GBP
€964 EUR
View
A
Retailer 7
-
£758 GBP
$1,015 USD
View
A
Retailer 8
-
£758 GBP
View
A
Retailer 9
-
£1,005 GBP
$1,346 USD
View
B+
Retailer 10
-
£1,032 GBP
A$2,128 AUD
View
B+
Retailer 11
-
£1,062 GBP
ZAR 22,982 ZAR
View
B+
Retailer 12
-
£1,292 GBP
$1,731 USD
View
B+
Retailer 13
-
£1,588 GBP
$2,128 USD
View
B+
Retailer 14
-
£1,589 GBP
$2,129 USD
View
B
Retailer 15
-
£1,692 GBP
$2,267 USD
View
B
Retailer 16
-
£2,052 GBP
View
B
Retailer 17
-
£2,097 GBP
$2,810 USD
View
Most Expensive
B
Brilliant Earth
22257038A · Oct 29
£2,739 GBP
$3,670 USD
View
17 more retailers have this diamond
Prices start from £442 GBPSave up to £2,297 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
3.09ct Marquise
£442 GBP