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Round|Lab Grown|IGI

7.00ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG757530723

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757530723

Diamond specifications and retailer prices

From £660 GBP
$884 USD
As of October 26, 2026
Save £3,400 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,060 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 7ct lab-grown round diamond

This 7ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG757530723 or 757530723. Listed at 18 retailers as of October 26, 2026, with prices from £660 to £4,060, a £3,400 spread on the same certified stone. Brilliant Earth lists it at £4,060. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

7.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757530723
Dimensions12.26 × 12.20 × 7.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.26 mm12.20 mm7.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757530723
Side View
Table 61.0%Crown 34.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.8%

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: Oct 26
Current: £4,060 GBP|Low: £603 GBP|High: £7,971 GBP|Avg: £1,906 GBP|-49.0%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 11£660 GBP
Retailer 7£718 GBP
Retailer 9£739 GBP
Retailer 5£765 GBP
Retailer 14£879 GBP
Retailer 18£890 GBP
Retailer 17£896 GBP
Retailer 8£1,088 GBP
Retailer 13£1,150 GBP
Retailer 19£1,166 GBP
Retailer 10£1,228 GBP
Retailer 12£1,469 GBP
Retailer 2£1,586 GBP
Retailer 6£2,151 GBP
Retailer 16£2,539 GBP
Retailer 3£2,834 GBP
Retailer 4£2,872 GBP
Retailer 15£3,194 GBP
Brilliant Earth£4,060 GBP

27 data points across 19 retailers

18 retailers£660 GBP to £4,060 GBP

A
Cheapest Retailer
-
£660 GBP
$884 USD
A
Retailer 2
-
£718 GBP
$962 USD
View
A
Retailer 3
-
£765 GBP
$1,025 USD
View
A
Retailer 4
-
£879 GBP
HK$9,200 HKD
View
A
Retailer 5
-
£890 GBP
View
A
Retailer 6
-
£896 GBP
$1,200 USD
View
B+
Retailer 7
-
£1,088 GBP
$1,458 USD
View
B+
Retailer 8
-
£1,150 GBP
€1,468 EUR
View
B+
Retailer 9
-
£1,166 GBP
View
B
Retailer 10
-
£1,228 GBP
$1,646 USD
View
B+
Retailer 11
-
£1,469 GBP
A$3,028 AUD
View
B
Retailer 12
-
£1,586 GBP
$2,125 USD
View
B
Retailer 13
-
£2,151 GBP
$2,882 USD
View
B
Retailer 14
-
£2,539 GBP
SGD 4,598 SGD
View
B
Retailer 15
-
£2,834 GBP
$3,797 USD
View
B
Retailer 16
-
£2,872 GBP
View
B
Retailer 17
-
£3,194 GBP
$4,280 USD
View
Most Expensive
B
Brilliant Earth
19959638A · Oct 30
£4,060 GBP
$5,440 USD
View
17 more retailers have this diamond
Prices start from £660 GBPSave up to £3,400 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
7.00ct Round
£660 GBP