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9.10ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG757531580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757531580

Diamond specifications and retailer prices

From £905 GBP
$1,215 USD
As of November 1, 2026
Save £3,871 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,777 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 9.1ct lab-grown round diamond

This 9.1ct 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 LG757531580 or 757531580. Listed at 19 retailers as of November 1, 2026, with prices from £905 to £4,777, a £3,871 spread on the same certified stone. Brilliant Earth lists it at £4,777. 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

9.10
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757531580
Dimensions13.38 × 13.31 × 8.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.38 mm13.31 mm9.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757531580
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: £4,777 GBP|Low: £869 GBP|High: £4,777 GBP|Avg: £1,770 GBP
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
November 3, 2026
Retailer 14£905 GBP
Retailer 5£1,013 GBP
Retailer 3£1,050 GBP
Retailer 4£1,050 GBP
Retailer 12£1,177 GBP
Retailer 9£1,249 GBP
Retailer 6£1,415 GBP
Retailer 2£1,518 GBP
Retailer 10£1,596 GBP
Retailer 8£1,665 GBP
Retailer 7£1,891 GBP
Retailer 13£2,009 GBP
Retailer 11£3,374 GBP
Brilliant Earth£4,777 GBP

41 data points across 14 retailers

19 retailers£905 GBP to £4,777 GBP

A
Cheapest Retailer
-
£905 GBP
$1,215 USD
A
Retailer 2
-
£985 GBP
$1,322 USD
View
A
Retailer 3
-
£1,013 GBP
$1,360 USD
View
Final sale: no returns
A
Retailer 4
-
£1,050 GBP
$1,409 USD
View
Retailer 5
-
£1,050 GBP
$1,409 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£1,177 GBP
$1,580 USD
View
A
Retailer 7
-
£1,249 GBP
View
B+
Retailer 8
-
£1,415 GBP
$1,899 USD
View
B+
Retailer 9
-
£1,518 GBP
View
B+
Retailer 10
-
£1,596 GBP
€2,040 EUR
View
B+
Retailer 11
-
£1,665 GBP
$2,235 USD
View
B+
Retailer 12
-
£1,891 GBP
$2,537 USD
View
B+
Retailer 13
-
£1,968 GBP
$2,641 USD
View
B+
Retailer 14
-
£2,009 GBP
A$4,148 AUD
View
B
Retailer 15
-
£3,213 GBP
$4,311 USD
View
B
Retailer 16
-
£3,374 GBP
View
B
Retailer 17
-
£3,681 GBP
$4,939 USD
View
B
Retailer 18
-
£4,222 GBP
$5,665 USD
View
Most Expensive
B
Brilliant Earth
18661069A · Nov 2
£4,777 GBP
$6,410 USD
View
18 more retailers have this diamond
Prices start from £905 GBPSave up to £3,871 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
9.10ct Round
£905 GBP