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Oval|Lab Grown|IGI

11.54ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG569325826

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG569325826

Diamond specifications and retailer prices

From £1,372 GBP
As of November 1, 2026
Save £5,450 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,823 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.54ct lab-grown oval diamond

This 11.54ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG569325826 or 569325826. Listed at 12 retailers as of October 31, 2026, with prices from £1,372 to £6,823, a £5,450 spread on the same certified stone. Adiamor lists it at £6,823. 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

11.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569325826
Dimensions18.59 × 12.85 × 8.00 mm
L/W Ratio1.45
Girdle conditionFaceted
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
18.59 mm12.85 mm11.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569325826
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

Caratlytics Score

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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: Nov 1
Current: £6,823 GBP|Low: £1,372 GBP|High: £13,523 GBP|Avg: £4,185 GBP
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 11£1,372 GBP
Retailer 13£1,473 GBP
Retailer 5£1,603 GBP
Retailer 15£1,709 GBP
Retailer 14£1,832 GBP
Retailer 3£2,016 GBP
Retailer 16£2,088 GBP
Retailer 4£2,349 GBP
Retailer 2£2,351 GBP
Retailer 10£2,675 GBP
Retailer 12£2,806 GBP
Retailer 6£3,402 GBP
Retailer 9£4,373 GBP
Adiamor£6,823 GBP
Retailer 7£12,280 GBP
Retailer 8£13,523 GBP

6 data points across 16 retailers

12 retailers£1,372 GBP to £6,823 GBP

A
Cheapest Retailer
-
£1,372 GBP
A
Retailer 2
-
£1,473 GBP
$1,974 USD
View
A
Retailer 3
-
£1,603 GBP
$2,148 USD
View
A
Retailer 4
-
£1,709 GBP
$2,290 USD
View
A
Retailer 5
-
£1,832 GBP
$2,455 USD
View
A
Retailer 6
-
£2,016 GBP
HK$21,100 HKD
View
A
Retailer 7
-
£2,088 GBP
$2,798 USD
View
B+
Retailer 8
-
£2,349 GBP
$3,147 USD
View
B+
Retailer 9
-
£2,351 GBP
View
B+
Retailer 10
-
£2,675 GBP
$3,584 USD
View
B+
Retailer 11
-
£2,806 GBP
$3,760 USD
View
Most Expensive
B
Adiamor
D-82828531 · Oct 31
£6,823 GBP
$9,142 USD
View
11 more retailers have this diamond
Prices start from £1,372 GBPSave up to £5,450 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
11.54ct Oval
£1,372 GBP