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Round|Lab Grown|IGI

10.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG613360739

Shape and cutting style on the report: Round brilliant

Certificate IGI LG613360739

Diamond specifications and retailer prices

From £3,751 GBP
$5,033 USD
As of November 1, 2026
Save £2,973 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,096 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG613360739 or 613360739. Listed at 16 retailers as of November 1, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613360739
Dimensions13.92 × 13.85 × 8.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.92 mm13.85 mm10.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613360739
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,541 GBP|Low: £3,751 GBP|High: £12,096 GBP|Avg: £6,870 GBP|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 2, 2026
Retailer 7£3,751 GBP
Retailer 9£4,200 GBP
Retailer 3£4,291 GBP
Retailer 4£4,352 GBP
Retailer 2£4,844 GBP
Retailer 5£5,455 GBP
Retailer 1£5,541 GBP
Retailer 6£6,723 GBP
Retailer 11£6,872 GBP
Retailer 8£10,597 GBP
Retailer 10£11,083 GBP
Reve Diamonds£12,096 GBP

38 data points across 12 retailers

16 retailers£3,751 GBP to £6,723 GBP

B+
Cheapest Retailer
-
£3,751 GBP
$5,033 USD
B
Retailer 2
-
£3,930 GBP
$5,274 USD
View
B
Retailer 3
-
£4,200 GBP
$5,636 USD
View
Final sale: no returns
Retailer 4
-
£4,350 GBP
$5,838 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
£4,350 GBP
$5,838 USD
View
B
Retailer 6
-
£4,352 GBP
$5,840 USD
View
B
Retailer 7
-
£4,844 GBP
$6,501 USD
View
B
Retailer 8
-
£5,160 GBP
HK$54,100 HKD
View
B
Retailer 9
-
£5,164 GBP
$6,930 USD
View
B
Retailer 10
-
£5,455 GBP
$7,320 USD
View
B
Retailer 11
-
£5,541 GBP
View
B
Retailer 12
-
£6,723 GBP
$9,022 USD
View
Retailer 13
-
£10,597 GBP
$14,220 USD
View
Price under review
Retailer 14
-
£11,083 GBP
$14,873 USD
View
Price under review
Most Expensive
Reve Diamonds
CF8154A7E · Nov 1
£12,096 GBP
$16,232 USD
View
Price under review
14 more retailers have this diamond
Prices start from £3,751 GBPSave up to £2,973 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.

B+
10.09ct Round
£3,751 GBP