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Round|Lab Grown|IGI

11.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG745517204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG745517204

Diamond specifications and retailer prices

From £1,447 GBP
$1,927 USD
As of October 29, 2026
Save £5,484 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,931 GBP at Adiamor · As of October 30, 2026
View at Adiamor

About this 11.03ct lab-grown round diamond

This 11.03ct 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 LG745517204 or 745517204. Listed at 13 retailers as of October 29, 2026, with prices from £1,447 to £6,931, a £5,484 spread on the same certified stone. Adiamor lists it at £6,931. 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

11.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745517204
Dimensions14.27 × 14.32 × 8.70 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
14.27 mm14.32 mm11.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745517204
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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 29
Current: £6,931 GBP|Low: £1,447 GBP|High: £7,033 GBP|Avg: £3,040 GBP|-1.5%
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
October 30, 2026
Retailer 8£1,447 GBP
Retailer 3£1,575 GBP
Retailer 10£1,678 GBP
Retailer 5£1,798 GBP
Retailer 6£1,806 GBP
Retailer 13£1,951 GBP
Retailer 11£2,024 GBP
Retailer 2£2,299 GBP
Retailer 7£2,630 GBP
Retailer 9£2,756 GBP
Retailer 12£3,146 GBP
Retailer 4£5,651 GBP
Adiamor£6,931 GBP

41 data points across 13 retailers

13 retailers£1,447 GBP to £6,931 GBP

A
Cheapest Retailer
-
£1,447 GBP
$1,927 USD
A
Retailer 2
-
£1,575 GBP
$2,097 USD
View
A
Retailer 3
-
£1,678 GBP
$2,235 USD
View
Retailer 4
-
£1,798 GBP
$2,394 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,806 GBP
$2,405 USD
View
A
Retailer 6
-
£1,951 GBP
HK$20,300 HKD
View
A
Retailer 7
-
£2,024 GBP
$2,695 USD
View
A
Retailer 8
-
£2,299 GBP
View
A
Retailer 9
-
£2,630 GBP
$3,502 USD
View
A
Retailer 10
-
£2,756 GBP
$3,670 USD
View
B+
Retailer 11
-
£3,146 GBP
$4,190 USD
View
B
Retailer 12
-
£5,651 GBP
SGD 10,170 SGD
View
Most Expensive
B
Adiamor
D-71775446 · Oct 30
£6,931 GBP
$9,230 USD
View
12 more retailers have this diamond
Prices start from £1,447 GBPSave up to £5,484 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
11.03ct Round
£1,447 GBP