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Round|Lab Grown|IGI

10.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG649456780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649456780

Diamond specifications and retailer prices

From £978 GBP
$1,312 USD
As of November 1, 2026
Save £2,922 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,900 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 10.09ct lab-grown round diamond

This 10.09ct 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 LG649456780 or 649456780. Listed at 13 retailers as of November 1, 2026, with prices from £978 to £3,900, a £2,922 spread on the same certified stone. Adiamor lists it at £3,900. 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

10.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649456780
Dimensions13.92 × 14.02 × 8.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.92 mm14.02 mm10.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649456780
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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: £3,900 GBP|Low: £978 GBP|High: £15,278 GBP|Avg: £3,600 GBP
Adiamor
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
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Retailer 16
November 2, 2026
Retailer 13£978 GBP
Retailer 2£1,012 GBP
Retailer 11£1,063 GBP
Retailer 3£1,133 GBP
Retailer 14£1,263 GBP
Retailer 4£1,335 GBP
Retailer 16£1,522 GBP
Retailer 9£1,592 GBP
Retailer 10£1,793 GBP
Retailer 15£1,825 GBP
Retailer 12£2,113 GBP
Retailer 6£2,125 GBP
Adiamor£3,900 GBP
Retailer 5£4,084 GBP
Retailer 8£11,230 GBP
Retailer 7£15,278 GBP

6 data points across 16 retailers

13 retailers£978 GBP to £3,900 GBP

A
Cheapest Retailer
-
£978 GBP
$1,312 USD
A
Retailer 2
-
£1,012 GBP
View
A
Retailer 3
-
£1,063 GBP
$1,427 USD
View
A
Retailer 4
-
£1,133 GBP
$1,521 USD
View
A
Retailer 5
-
£1,263 GBP
$1,695 USD
View
A
Retailer 6
-
£1,335 GBP
HK$14,000 HKD
View
A
Retailer 7
-
£1,522 GBP
$2,043 USD
View
A
Retailer 8
-
£1,592 GBP
View
B+
Retailer 9
-
£1,793 GBP
$2,406 USD
View
A
Retailer 10
-
£1,825 GBP
€2,332 EUR
View
B+
Retailer 11
-
£2,113 GBP
$2,836 USD
View
B+
Retailer 12
-
£2,125 GBP
$2,852 USD
View
Most Expensive
B
Adiamor
D-82827930 · Nov 2
£3,900 GBP
$5,233 USD
View
12 more retailers have this diamond
Prices start from £978 GBPSave up to £2,922 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
10.09ct Round
£978 GBP