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Round|Lab Grown|IGI

10.46ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG623429904

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623429904

Diamond specifications and retailer prices

From £5,347 GBP
As of October 30, 2026
Save £9,913 GBP (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £20,418 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 10.46ct lab-grown round diamond

This 10.46ct lab-grown round 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 LG623429904 or 623429904. Listed at 9 retailers as of October 30, 2026, with a 185% 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

10.46
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623429904
Dimensions14.15 × 14.11 × 8.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
14.15 mm14.11 mm10.46 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623429904
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: £7,480 GBP|Low: £5,327 GBP|High: £15,259 GBP|Avg: £7,621 GBP|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2£5,347 GBP
Retailer 7£5,504 GBP
Retailer 3£5,974 GBP
Retailer 9£6,480 GBP
Retailer 4£6,866 GBP
Retailer 6£6,922 GBP
Retailer 1£7,480 GBP
Retailer 8£9,459 GBP
Retailer 5£15,259 GBP

39 data points across 9 retailers

9 retailers£5,347 GBP to £15,259 GBP

B+
Cheapest Retailer
-
£5,347 GBP
B+
Retailer 2
-
£5,504 GBP
$7,375 USD
View
B+
Retailer 3
-
£5,974 GBP
$8,005 USD
View
B+
Retailer 4
-
£6,480 GBP
$8,683 USD
View
B+
Retailer 5
-
£6,866 GBP
$9,200 USD
View
B
Retailer 6
-
£6,922 GBP
$9,275 USD
View
B
Retailer 7
-
£7,480 GBP
View
B
Retailer 8
-
£15,259 GBP
$20,446 USD
View
Most Expensive
Taylor and Hart
4BTF0FD · Oct 18
£20,418 GBP
$27,357 USD
View
Price under review
8 more retailers have this diamond
Prices start from £5,347 GBPSave up to £9,913 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+
10.46ct Round
£5,347 GBP