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Round|Lab Grown|IGI

8.14ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG613382956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG613382956

Diamond specifications and retailer prices

From £803 GBP
$1,077 USD
As of November 1, 2026
Save £3,773 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,575 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.14ct lab-grown round diamond

This 8.14ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613382956 or 613382956. Listed at 15 retailers as of November 1, 2026, with prices from £803 to £4,575, a £3,773 spread on the same certified stone. Brilliant Earth lists it at £4,575. 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

8.14
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613382956
Dimensions12.89 × 12.81 × 7.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
12.89 mm12.81 mm8.14 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613382956
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: £4,575 GBP|Low: £803 GBP|High: £6,371 GBP|Avg: £1,747 GBP|-28.2%
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
November 2, 2026
Retailer 15£803 GBP
Retailer 11£873 GBP
Retailer 3£931 GBP
Retailer 13£931 GBP
Retailer 9£1,062 GBP
Retailer 12£1,113 GBP
Retailer 6£1,331 GBP
Retailer 8£1,343 GBP
Retailer 5£1,481 GBP
Retailer 2£1,577 GBP
Retailer 14£1,744 GBP
Retailer 4£1,888 GBP
Retailer 7£2,600 GBP
Retailer 10£3,173 GBP
Brilliant Earth£4,575 GBP

40 data points across 15 retailers

15 retailers£803 GBP to £4,575 GBP

A
Cheapest Retailer
-
£803 GBP
$1,077 USD
A
Retailer 2
-
£873 GBP
$1,171 USD
View
Retailer 3
-
£931 GBP
$1,249 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£931 GBP
$1,249 USD
View
A
Retailer 5
-
£1,062 GBP
$1,425 USD
View
Retailer 6
-
£1,113 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
-
£1,331 GBP
$1,786 USD
View
B+
Retailer 8
-
£1,343 GBP
View
B+
Retailer 9
-
£1,481 GBP
$1,988 USD
View
B+
Retailer 10
-
£1,577 GBP
€2,016 EUR
View
B+
Retailer 11
-
£1,744 GBP
$2,341 USD
View
B+
Retailer 12
-
£1,888 GBP
$2,533 USD
View
B
Retailer 13
-
£2,600 GBP
$3,489 USD
View
B
Retailer 14
-
£3,173 GBP
View
Most Expensive
B
Brilliant Earth
8850389A · Nov 2
£4,575 GBP
$6,140 USD
View
14 more retailers have this diamond
Prices start from £803 GBPSave up to £3,773 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
8.14ct Round
£803 GBP