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Round|Lab Grown|IGI

5.40ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG564358839

Shape and cutting style on the report: Round brilliant

Certificate IGI LG564358839

Diamond specifications and retailer prices

From £462 GBP
$619 USD
As of November 1, 2026
Save £2,553 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,015 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.4ct lab-grown round diamond

This 5.4ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG564358839 or 564358839. Listed at 14 retailers as of November 1, 2026, with prices from £462 to £3,015, a £2,553 spread on the same certified stone. Rare Carat lists it at £3,015. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.40
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564358839
Dimensions11.29 × 11.23 × 6.95 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
11.29 mm11.23 mm5.40 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564358839
Side View
Table 56.5%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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: Nov 1
Current: £3,015 GBP|Low: £462 GBP|High: £5,777 GBP|Avg: £1,757 GBP
Rare Carat
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
November 1, 2026
Retailer 13£462 GBP
Retailer 9£478 GBP
Retailer 11£517 GBP
Retailer 16£573 GBP
Retailer 3£640 GBP
Retailer 15£853 GBP
Retailer 14£872 GBP
Retailer 5£877 GBP
Retailer 10£895 GBP
Retailer 12£1,422 GBP
Retailer 4£1,433 GBP
Retailer 6£1,507 GBP
Retailer 2£2,258 GBP
Rare Carat£3,015 GBP
Retailer 8£5,023 GBP
Retailer 7£5,777 GBP

5 data points across 16 retailers

14 retailers£462 GBP to £3,015 GBP

A
Cheapest Retailer
-
£462 GBP
$619 USD
A
Retailer 2
-
£478 GBP
View
A
Retailer 3
-
£517 GBP
$693 USD
View
A
Retailer 4
-
£573 GBP
$768 USD
View
A
Retailer 5
-
£640 GBP
HK$6,700 HKD
View
B+
Retailer 6
-
£853 GBP
$1,143 USD
View
B+
Retailer 7
-
£872 GBP
€1,113 EUR
View
B+
Retailer 8
-
£877 GBP
$1,175 USD
View
B+
Retailer 9
-
£895 GBP
View
B
Retailer 10
-
£1,422 GBP
$1,905 USD
View
B
Retailer 11
-
£1,433 GBP
$1,920 USD
View
B
Retailer 12
-
£1,507 GBP
$2,019 USD
View
B
Retailer 13
-
£2,258 GBP
View
Most Expensive
B
Rare Carat
KI8393588KF564 · Nov 1
£3,015 GBP
$4,040 USD
View
13 more retailers have this diamond
Prices start from £462 GBPSave up to £2,553 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
5.40ct Round
£462 GBP