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Round|Lab Grown|IGI

4.27ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG791602994

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791602994

Diamond specifications and retailer prices

From £457 GBP
$608 USD
As of October 27, 2026
Save £2,810 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,267 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.27ct lab-grown round diamond

This 4.27ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791602994 or 791602994. Listed at 21 retailers as of October 27, 2026, with prices from £457 to £3,267, a £2,810 spread on the same certified stone. Brilliant Earth lists it at £3,267. 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

4.27
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791602994
Dimensions10.39 × 10.45 × 6.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm10.45 mm4.27 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791602994
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

Caratlytics Score

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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: £3,267 GBP|Low: £457 GBP|High: £3,267 GBP|Avg: £1,461 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 8£457 GBP
Retailer 11£548 GBP
Retailer 2£731 GBP
Retailer 7£752 GBP
Retailer 15£781 GBP
Retailer 4£782 GBP
Retailer 14£785 GBP
Retailer 10£1,107 GBP
Retailer 3£1,135 GBP
Retailer 6£1,307 GBP
Retailer 13£1,581 GBP
Retailer 5£1,630 GBP
Retailer 16£2,116 GBP
Retailer 12£2,195 GBP
Retailer 9£2,287 GBP
Retailer 17£2,471 GBP
Brilliant Earth£3,267 GBP

40 data points across 17 retailers

21 retailers£457 GBP to £3,267 GBP

A
Retailer 1
-
£409 GBP
$544 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£457 GBP
$608 USD
View
Final sale: no returns
A
Retailer 3
-
£457 GBP
$609 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£506 GBP
$674 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
£548 GBP
HK$5,700 HKD
View
A
Retailer 6
-
£731 GBP
€927 EUR
View
A
Retailer 7
-
£752 GBP
$1,002 USD
View
A
Retailer 8
-
£781 GBP
View
B+
Retailer 9
-
£782 GBP
$1,042 USD
View
A
Retailer 10
-
£785 GBP
$1,045 USD
View
A
Retailer 11
-
£1,107 GBP
A$2,268 AUD
View
A
Retailer 12
-
£1,135 GBP
$1,512 USD
View
B+
Retailer 13
-
£1,307 GBP
$1,741 USD
View
B+
Retailer 14
-
£1,331 GBP
$1,773 USD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
£1,581 GBP
SGD 2,845 SGD
View
B+
Retailer 16
-
£1,630 GBP
$2,170 USD
View
B
Retailer 17
-
£2,116 GBP
View
B
Retailer 18
-
£2,195 GBP
$2,923 USD
View
B
Retailer 19
-
£2,287 GBP
A$4,686 AUD
View
Price last confirmed 24 days ago
B
Retailer 20
-
£2,471 GBP
$3,290 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18783595A · Oct 28
£3,267 GBP
$4,350 USD
View
20 more retailers have this diamond
Prices start from £457 GBPSave up to £2,810 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
4.27ct Round
£457 GBP