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11.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG743597996

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743597996

Diamond specifications and retailer prices

From £1,449 GBP
$1,930 USD
As of October 29, 2026
Save £5,507 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,956 GBP at Adiamor · As of October 30, 2026
View at Adiamor

About this 11.05ct lab-grown round diamond

This 11.05ct 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 LG743597996 or 743597996. Listed at 13 retailers as of October 29, 2026, with prices from £1,449 to £6,956, a £5,507 spread on the same certified stone. Adiamor lists it at £6,956. 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

11.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743597996
Dimensions14.38 × 14.42 × 8.67 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
14.38 mm14.42 mm11.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743597996
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.2%

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 29
Current: £6,956 GBP|Low: £1,449 GBP|High: £7,058 GBP|Avg: £3,046 GBP|-1.4%
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£1,449 GBP
Retailer 3£1,577 GBP
Retailer 10£1,681 GBP
Retailer 5£1,801 GBP
Retailer 6£1,806 GBP
Retailer 13£1,951 GBP
Retailer 11£2,027 GBP
Retailer 2£2,304 GBP
Retailer 7£2,633 GBP
Retailer 9£2,761 GBP
Retailer 12£3,152 GBP
Retailer 4£5,660 GBP
Adiamor£6,956 GBP

41 data points across 13 retailers

13 retailers£1,449 GBP to £6,956 GBP

A
Cheapest Retailer
-
£1,449 GBP
$1,930 USD
A
Retailer 2
-
£1,577 GBP
$2,100 USD
View
A
Retailer 3
-
£1,681 GBP
$2,239 USD
View
Retailer 4
-
£1,801 GBP
$2,398 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
-
£2,027 GBP
$2,699 USD
View
A
Retailer 8
-
£2,304 GBP
View
A
Retailer 9
-
£2,633 GBP
$3,506 USD
View
A
Retailer 10
-
£2,761 GBP
$3,677 USD
View
B+
Retailer 11
-
£3,152 GBP
$4,197 USD
View
B
Retailer 12
-
£5,660 GBP
SGD 10,186 SGD
View
Most Expensive
B
Adiamor
D-71800959 · Oct 30
£6,956 GBP
$9,263 USD
View
12 more retailers have this diamond
Prices start from £1,449 GBPSave up to £5,507 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
11.05ct Round
£1,449 GBP