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Round|Lab Grown|IGI

7.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG792668420

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792668420

Diamond specifications and retailer prices

From £747 GBP
$1,001 USD
As of October 27, 2026
Save £3,373 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,120 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.09ct lab-grown round diamond

This 7.09ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792668420 or 792668420. Listed at 18 retailers as of October 27, 2026, with prices from £747 to £4,120, a £3,373 spread on the same certified stone. Brilliant Earth lists it at £4,120. 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

7.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792668420
Dimensions12.50 × 12.57 × 7.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm12.57 mm7.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792668420
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.6%

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: Oct 27
Current: £4,120 GBP|Low: £729 GBP|High: £4,120 GBP|Avg: £1,794 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
October 29, 2026
Retailer 6£747 GBP
Retailer 7£888 GBP
Retailer 10£933 GBP
Retailer 4£1,099 GBP
Retailer 2£1,164 GBP
Retailer 11£1,181 GBP
Retailer 5£1,243 GBP
Retailer 14£1,513 GBP
Retailer 13£1,570 GBP
Retailer 9£2,570 GBP
Retailer 3£2,631 GBP
Retailer 12£2,903 GBP
Retailer 8£3,235 GBP
Brilliant Earth£4,120 GBP

40 data points across 14 retailers

18 retailers£747 GBP to £4,120 GBP

Retailer 1
-
£676 GBP
$906 USD
Price last confirmed 19 days ago
Retailer 2
-
£735 GBP
$985 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£747 GBP
$1,001 USD
View
Final sale: no returns
Retailer 4
-
£784 GBP
$1,050 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£888 GBP
HK$9,300 HKD
View
A
Retailer 6
-
£933 GBP
$1,250 USD
View
A
Retailer 7
-
£1,099 GBP
$1,473 USD
View
A
Retailer 8
-
£1,164 GBP
€1,486 EUR
View
A
Retailer 9
-
£1,181 GBP
View
B+
Retailer 10
-
£1,243 GBP
$1,666 USD
View
B+
Retailer 11
-
£1,513 GBP
A$3,118 AUD
View
B+
Retailer 12
-
£1,570 GBP
$2,103 USD
View
Retailer 13
-
£2,204 GBP
$2,953 USD
View
Price last confirmed 20 days ago
B
Retailer 14
-
£2,570 GBP
SGD 4,653 SGD
View
B
Retailer 15
-
£2,631 GBP
View
B
Retailer 16
-
£2,903 GBP
$3,890 USD
View
B
Retailer 17
-
£3,235 GBP
$4,335 USD
View
Most Expensive
B
Brilliant Earth
19084047A · Oct 29
£4,120 GBP
$5,520 USD
View
17 more retailers have this diamond
Prices start from £747 GBPSave up to £3,373 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
7.09ct Round
£747 GBP