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11.15ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG547258997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG547258997

Diamond specifications and retailer prices

From £1,736 GBP
$2,312 USD
As of October 29, 2026
Save £10,211 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,947 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 11.15ct lab-grown round diamond

This 11.15ct 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 LG547258997 or 547258997. Listed at 13 retailers as of October 29, 2026, with prices from £1,736 to £11,947, a £10,211 spread on the same certified stone. Do Amore Diamonds lists it at £11,947. 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

11.15
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547258997
Dimensions14.44 × 14.49 × 8.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.44 mm14.49 mm11.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547258997
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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: £11,947 GBP|Low: £1,667 GBP|High: £11,947 GBP|Avg: £4,396 GBP
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 12£1,736 GBP
Retailer 2£1,791 GBP
Retailer 16£1,889 GBP
Retailer 3£1,945 GBP
Retailer 5£2,307 GBP
Retailer 7£2,624 GBP
Retailer 17£3,056 GBP
Retailer 11£3,087 GBP
Retailer 10£3,090 GBP
Retailer 14£3,143 GBP
Retailer 4£3,631 GBP
Retailer 8£4,089 GBP
Retailer 6£5,636 GBP
Retailer 13£6,856 GBP
Retailer 15£7,604 GBP
Retailer 9£9,852 GBP
Do Amore Diamonds£11,947 GBP

38 data points across 17 retailers

13 retailers£1,736 GBP to £11,947 GBP

A
Cheapest Retailer
-
£1,736 GBP
$2,312 USD
A
Retailer 2
-
£1,791 GBP
View
A
Retailer 3
-
£1,889 GBP
$2,516 USD
View
A
Retailer 4
-
£1,945 GBP
$2,590 USD
View
Final sale: no returns
A
Retailer 5
-
£2,624 GBP
HK$27,300 HKD
View
B+
Retailer 6
-
£3,056 GBP
$4,069 USD
View
B+
Retailer 7
-
£3,087 GBP
$4,111 USD
View
B+
Retailer 8
-
£3,090 GBP
$4,115 USD
View
B+
Retailer 9
-
£3,143 GBP
$4,186 USD
View
B
Retailer 10
-
£5,636 GBP
$7,506 USD
View
B
Retailer 11
-
£6,856 GBP
$9,130 USD
View
B
Retailer 12
-
£7,604 GBP
SGD 13,684 SGD
View
Most Expensive
B
Do Amore Diamonds
27-BA437329E · Oct 29
£11,947 GBP
$15,910 USD
View
12 more retailers have this diamond
Prices start from £1,736 GBPSave up to £10,211 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
11.15ct Round
£1,736 GBP