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Oval|Lab Grown|IGI

11.17ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG576327872

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG576327872

Diamond specifications and retailer prices

From £1,192 GBP
As of November 1, 2026
Save £5,196 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,388 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 11.17ct lab-grown oval diamond

This 11.17ct 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 LG576327872 or 576327872. Listed at 10 retailers as of November 1, 2026, with prices from £1,192 to £6,388, a £5,196 spread on the same certified stone. Adiamor lists it at £6,388. 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

11.17
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576327872
Dimensions18.56 × 12.48 × 7.84 mm
L/W Ratio1.49
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
18.56 mm12.48 mm11.17 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576327872
Side View
Table 61.5%Crown 35.3°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Nov 1
Current: £6,388 GBP|Low: £1,191 GBP|High: £6,388 GBP|Avg: £3,224 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2£1,192 GBP
Retailer 11£1,433 GBP
Retailer 7£1,608 GBP
Retailer 3£1,710 GBP
Retailer 9£2,330 GBP
Retailer 12£2,526 GBP
Retailer 6£2,558 GBP
Retailer 4£3,236 GBP
Retailer 5£4,191 GBP
Retailer 10£4,957 GBP
Retailer 8£6,180 GBP
Adiamor£6,388 GBP

37 data points across 12 retailers

10 retailers£1,192 GBP to £6,388 GBP

A
Cheapest Retailer
-
£1,192 GBP
A
Retailer 2
-
£1,433 GBP
$1,920 USD
View
Final sale: no returns
A
Retailer 3
-
£1,608 GBP
$2,155 USD
View
A
Retailer 4
-
£1,710 GBP
HK$17,900 HKD
View
B+
Retailer 5
-
£2,330 GBP
$3,122 USD
View
B+
Retailer 6
-
£2,558 GBP
$3,428 USD
View
B
Retailer 7
-
£4,191 GBP
$5,615 USD
View
B
Retailer 8
-
£4,957 GBP
SGD 8,976 SGD
View
B
Retailer 9
-
£6,180 GBP
$8,280 USD
View
Most Expensive
B
Adiamor
D-61179007 · Nov 2
£6,388 GBP
$8,559 USD
View
9 more retailers have this diamond
Prices start from £1,192 GBPSave up to £5,196 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
11.17ct Oval
£1,192 GBP