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Radiant|Lab Grown|IGI

5.09ct E VS2 Radiant Lab Grown Diamond

VG • E/VS2 • IGI LG771657734

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG771657734

Diamond specifications and retailer prices

From £541 GBP
$721 USD
As of October 27, 2026
Save £6,435 GBP (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,976 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG771657734 or 771657734. Listed at 18 retailers as of October 27, 2026, with prices from £541 to £6,976, a £6,435 spread on the same certified stone. Brilliant Earth lists it at £6,976. 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

5.09
Carat
E
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771657734
Dimensions12.18 × 8.36 × 5.77 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm8.36 mm5.09 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771657734
Side View
Table 65.0%Crown 43.5°Girdle: MediumPavilion 35.8°Culet: NoneDepth 69.0%

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 27
Current: £6,976 GBP|Low: £541 GBP|High: £7,194 GBP|Avg: £1,778 GBP|-3.0%
Brilliant Earth
Retailer 2
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Retailer 19
October 29, 2026
Retailer 19£541 GBP
Retailer 13£589 GBP
Retailer 5£628 GBP
Retailer 17£628 GBP
Retailer 18£695 GBP
Retailer 4£773 GBP
Retailer 6£972 GBP
Retailer 2£1,004 GBP
Retailer 8£1,019 GBP
Retailer 12£1,121 GBP
Retailer 14£1,547 GBP
Retailer 7£1,552 GBP
Retailer 3£1,766 GBP
Retailer 11£2,014 GBP
Retailer 9£2,142 GBP
Retailer 10£2,165 GBP
Retailer 16£2,480 GBP
Retailer 15£2,842 GBP
Brilliant Earth£6,976 GBP

40 data points across 19 retailers

18 retailers£541 GBP to £6,976 GBP

A
Cheapest Retailer
-
£541 GBP
$721 USD
A
Retailer 2
-
£589 GBP
$785 USD
View
A
Retailer 3
-
£628 GBP
$836 USD
View
Retailer 4
-
£628 GBP
$836 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£695 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£773 GBP
$1,030 USD
View
A
Retailer 7
-
£972 GBP
$1,294 USD
View
A
Retailer 8
-
£1,004 GBP
View
B+
Retailer 9
-
£1,019 GBP
$1,357 USD
View
A
Retailer 10
-
£1,121 GBP
€1,422 EUR
View
B+
Retailer 11
-
£1,547 GBP
$2,060 USD
View
B+
Retailer 12
-
£1,552 GBP
$2,067 USD
View
B+
Retailer 13
-
£1,766 GBP
$2,352 USD
View
B+
Retailer 14
-
£2,142 GBP
$2,852 USD
View
Retailer 15
-
£2,165 GBP
$2,883 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
£2,480 GBP
View
Retailer 17
-
£2,842 GBP
$3,785 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
17624275A · Oct 28
£6,976 GBP
$9,290 USD
View
17 more retailers have this diamond
Prices start from £541 GBPSave up to £6,435 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
5.09ct Radiant
£541 GBP