Round|Lab Grown|IGI

8.03ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG624420092

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624420092

Diamond specifications and retailer prices

From £793 GBP
$1,063 USD
As of November 1, 2026
Save £3,789 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,582 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.03ct lab-grown round diamond

This 8.03ct 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 LG624420092 or 624420092. Listed at 15 retailers as of October 31, 2026, with prices from £793 to £4,582, a £3,789 spread on the same certified stone. Brilliant Earth lists it at £4,582. 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

8.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624420092
Dimensions12.89 × 12.85 × 7.88 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
12.89 mm12.85 mm8.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624420092
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

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 1
Current: £4,582 GBP|Low: £793 GBP|High: £6,366 GBP|Avg: £1,742 GBP|-28.0%
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£793 GBP
Retailer 11£863 GBP
Retailer 3£920 GBP
Retailer 13£920 GBP
Retailer 10£1,049 GBP
Retailer 12£1,100 GBP
Retailer 6£1,319 GBP
Retailer 2£1,327 GBP
Retailer 5£1,466 GBP
Retailer 9£1,552 GBP
Retailer 14£1,724 GBP
Retailer 4£1,866 GBP
Retailer 7£2,538 GBP
Retailer 8£3,120 GBP
Brilliant Earth£4,582 GBP

40 data points across 15 retailers

15 retailers£793 GBP to £4,582 GBP

A
Cheapest Retailer
-
£793 GBP
$1,063 USD
A
Retailer 2
-
£863 GBP
$1,156 USD
View
A
Retailer 3
-
£920 GBP
$1,233 USD
View
Retailer 4
-
£920 GBP
$1,233 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£1,049 GBP
$1,405 USD
View
Retailer 6
-
£1,100 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
-
£1,319 GBP
$1,767 USD
View
B+
Retailer 8
-
£1,327 GBP
View
B+
Retailer 9
-
£1,466 GBP
$1,964 USD
View
B+
Retailer 10
-
£1,552 GBP
€1,981 EUR
View
B+
Retailer 11
-
£1,724 GBP
$2,310 USD
View
B+
Retailer 12
-
£1,866 GBP
$2,500 USD
View
B
Retailer 13
-
£2,538 GBP
$3,401 USD
View
B
Retailer 14
-
£3,120 GBP
View
Most Expensive
B
Brilliant Earth
9368803A · Oct 31
£4,582 GBP
$6,140 USD
View
14 more retailers have this diamond
Prices start from £793 GBPSave up to £3,789 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
8.03ct Round
£793 GBP