Round|Lab Grown|IGI

8.14ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG597368228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597368228

Diamond specifications and retailer prices

From £1,062 GBP
$1,425 USD
As of November 2, 2026
Save £3,514 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,575 GBP at Brilliant Earth · As of October 31, 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 LG597368228 or 597368228. Listed at 14 retailers as of October 31, 2026, with prices from £1,062 to £4,575, a £3,514 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 angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597368228
Dimensions12.87 × 12.92 × 7.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.87 mm12.92 mm8.14 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597368228
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,575 GBP|Low: £899 GBP|High: £6,371 GBP|Avg: £1,900 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
November 2, 2026
Retailer 11£899 GBP
Retailer 9£931 GBP
Retailer 6£1,062 GBP
Retailer 8£1,113 GBP
Retailer 12£1,331 GBP
Retailer 5£1,343 GBP
Retailer 10£1,481 GBP
Retailer 2£1,577 GBP
Retailer 4£1,888 GBP
Retailer 3£2,600 GBP
Retailer 7£3,161 GBP
Brilliant Earth£4,575 GBP

37 data points across 12 retailers

14 retailers£1,062 GBP to £4,575 GBP

Retailer 1
-
£803 GBP
$1,077 USD
Price last confirmed 38 days ago
Retailer 2
-
£873 GBP
$1,171 USD
View
Price last confirmed 40 days ago
Retailer 3
-
£918 GBP
$1,232 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£931 GBP
$1,249 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£1,062 GBP
$1,425 USD
View
B+
Retailer 6
-
£1,331 GBP
$1,786 USD
View
B+
Retailer 7
-
£1,343 GBP
View
B+
Retailer 8
-
£1,481 GBP
$1,988 USD
View
B+
Retailer 9
-
£1,577 GBP
€2,016 EUR
View
Retailer 10
-
£1,744 GBP
$2,341 USD
View
Price last confirmed 36 days ago
B+
Retailer 11
-
£1,888 GBP
$2,533 USD
View
B
Retailer 12
-
£2,600 GBP
$3,489 USD
View
Retailer 13
-
£3,161 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
8056971A · Oct 31
£4,575 GBP
$6,140 USD
View
13 more retailers have this diamond
Prices start from £1,062 GBPSave up to £3,514 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
£1,062 GBP