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Radiant|Lab Grown|IGI

10.39ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG597355311

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

Certificate IGI LG597355311

Diamond specifications and retailer prices

From £4,721 GBP
$6,325 USD
As of October 30, 2026
Save £5,565 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £18,953 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 10.39ct lab-grown radiant diamond

This 10.39ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG597355311 or 597355311. Listed at 17 retailers as of October 30, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.39
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597355311
Dimensions15.90 × 10.54 × 6.83 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.90 mm10.54 mm10.39 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597355311
Side View
Table 65.0%Crown 45.1°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £8,068 GBP|Low: £4,532 GBP|High: £10,285 GBP|Avg: £6,401 GBP|-1.0%
Retailer 1
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
November 1, 2026
Retailer 14£4,721 GBP
Retailer 9£4,862 GBP
Retailer 10£4,912 GBP
Retailer 5£5,083 GBP
Retailer 12£5,459 GBP
Retailer 15£5,475 GBP
Retailer 4£5,476 GBP
Retailer 2£6,350 GBP
Retailer 3£6,500 GBP
Retailer 11£6,511 GBP
Retailer 8£6,814 GBP
Retailer 7£7,012 GBP
Retailer 6£7,814 GBP
Retailer 1£8,068 GBP
Retailer 13£10,285 GBP

43 data points across 15 retailers

17 retailers£4,721 GBP to £10,285 GBP

B+
Cheapest Retailer
-
£4,721 GBP
$6,325 USD
Retailer 2
-
£4,862 GBP
$6,515 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
£4,909 GBP
$6,578 USD
View
Retailer 4
-
£4,912 GBP
View
Price last confirmed 15 days ago
B+
Retailer 5
-
£5,083 GBP
$6,811 USD
View
B+
Retailer 6
-
£5,459 GBP
$7,315 USD
View
B+
Retailer 7
-
£5,475 GBP
$7,336 USD
View
Retailer 8
-
£5,476 GBP
$7,337 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
£6,350 GBP
$8,508 USD
View
B
Retailer 10
-
£6,500 GBP
$8,709 USD
View
B
Retailer 11
-
£6,511 GBP
$8,724 USD
View
B+
Retailer 12
-
£6,814 GBP
View
B
Retailer 13
-
£7,012 GBP
$9,395 USD
View
B
Retailer 14
-
£7,814 GBP
View
B
Retailer 15
-
£8,068 GBP
A$16,632 AUD
View
B
Retailer 16
-
£10,285 GBP
$13,781 USD
View
Most Expensive
Taylor and Hart
Y9CRDGU · Oct 18
£18,953 GBP
$25,395 USD
View
Price under review
16 more retailers have this diamond
Prices start from £4,721 GBPSave up to £5,565 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.

B+
10.39ct Radiant
£4,721 GBP