CaratHunter
Plans
Round|Lab Grown|IGI

10.56ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG620400903

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620400903

Diamond specifications and retailer prices

From £4,906 GBP
$6,574 USD
As of November 1, 2026
Save £5,466 GBP (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £19,589 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 10.56ct lab-grown round diamond

This 10.56ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620400903 or 620400903. Listed at 14 retailers as of November 1, 2026, with a 111% 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

10.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620400903
Dimensions14.20 × 14.09 × 8.51 mm
L/W Ratio1.01
Girdle conditionFaceted
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
14.20 mm14.09 mm10.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620400903
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

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: Nov 1
Current: £7,118 GBP|Low: £4,710 GBP|High: £14,520 GBP|Avg: £6,701 GBP|+1.1%
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
November 2, 2026
Retailer 10£4,906 GBP
Retailer 6£5,079 GBP
Retailer 2£5,103 GBP
Retailer 13£5,270 GBP
Retailer 4£5,692 GBP
Retailer 11£5,692 GBP
Retailer 8£5,694 GBP
Retailer 12£6,598 GBP
Retailer 9£6,653 GBP
Retailer 3£6,757 GBP
Retailer 1£7,118 GBP
Retailer 5£9,027 GBP
Retailer 7£10,372 GBP

43 data points across 13 retailers

14 retailers£4,906 GBP to £10,372 GBP

B+
Cheapest Retailer
-
£4,906 GBP
$6,574 USD
B+
Retailer 2
-
£5,079 GBP
View
B+
Retailer 3
-
£5,103 GBP
$6,837 USD
View
B+
Retailer 4
-
£5,270 GBP
$7,061 USD
View
Retailer 5
-
£5,692 GBP
$7,626 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£5,692 GBP
$7,626 USD
View
B+
Retailer 7
-
£5,694 GBP
$7,630 USD
View
B
Retailer 8
-
£6,490 GBP
$8,696 USD
View
B
Retailer 9
-
£6,598 GBP
$8,840 USD
View
B+
Retailer 10
-
£6,653 GBP
$8,914 USD
View
B
Retailer 11
-
£6,757 GBP
$9,053 USD
View
B
Retailer 12
-
£7,118 GBP
View
B
Retailer 13
-
£10,372 GBP
$13,898 USD
View
Most Expensive
Taylor and Hart
05AK2NZ · Oct 18
£19,589 GBP
$26,247 USD
View
Price under review
13 more retailers have this diamond
Prices start from £4,906 GBPSave up to £5,466 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+
10.56ct Round
£4,906 GBP