Round|Lab Grown|IGI

7.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG628425864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628425864

Diamond specifications and retailer prices

From £1,271 GBP
$1,703 USD
As of October 29, 2026
Save £2,819 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,090 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.03ct lab-grown round diamond

This 7.03ct 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 LG628425864 or 628425864. Listed at 15 retailers as of October 29, 2026, with prices from £1,271 to £4,090, a £2,819 spread on the same certified stone. Brilliant Earth lists it at £4,090. 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

7.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628425864
Dimensions12.34 × 12.39 × 7.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.34 mm12.39 mm7.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628425864
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £4,090 GBP|Low: £894 GBP|High: £4,217 GBP|Avg: £2,127 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7£1,051 GBP
Retailer 9£1,271 GBP
Retailer 8£1,287 GBP
Retailer 5£1,296 GBP
Retailer 2£1,299 GBP
Retailer 3£1,437 GBP
Retailer 10£1,883 GBP
Retailer 11£2,873 GBP
Retailer 4£3,072 GBP
Retailer 6£3,209 GBP
Brilliant Earth£4,090 GBP

36 data points across 11 retailers

15 retailers£1,271 GBP to £4,090 GBP

Retailer 1
-
£658 GBP
$882 USD
Price last confirmed 37 days ago
Retailer 2
-
£716 GBP
$960 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£753 GBP
$1,009 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£1,051 GBP
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£1,271 GBP
$1,703 USD
View
B+
Retailer 6
-
£1,287 GBP
$1,725 USD
View
B+
Retailer 7
-
£1,296 GBP
€1,654 EUR
View
B+
Retailer 8
-
£1,299 GBP
View
B+
Retailer 9
-
£1,437 GBP
$1,926 USD
View
B+
Retailer 10
-
£1,883 GBP
$2,523 USD
View
Retailer 11
-
£2,147 GBP
$2,877 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
£2,873 GBP
$3,850 USD
View
B
Retailer 13
-
£3,072 GBP
View
Retailer 14
-
£3,209 GBP
$4,300 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
10308543A · Oct 29
£4,090 GBP
$5,480 USD
View
14 more retailers have this diamond
Prices start from £1,271 GBPSave up to £2,819 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+
7.03ct Round
£1,271 GBP