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Oval|Lab Grown|IGI

11.20ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG546230806

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG546230806

Diamond specifications and retailer prices

From €1,621 EUR
£1,426 GBP
As of October 27, 2026
Save €12,843 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €14,465 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.2ct lab-grown oval diamond

This 11.2ct 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 LG546230806 or 546230806. Listed at 11 retailers as of October 27, 2026, with prices from €1,621 to €14,465, a €12,843 spread on the same certified stone. Brilliant Earth lists it at €14,465. 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

11.20
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546230806
Dimensions17.99 × 12.66 × 7.87 mm
L/W Ratio1.42
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
17.99 mm12.66 mm11.20 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546230806
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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 27
Current: €15,691 EUR|Low: €1,621 EUR|High: €15,691 EUR|Avg: €6,632 EUR
Brilliant Earth
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 1, 2026
Retailer 14€1,621 EUR
Retailer 10€2,284 EUR
Retailer 15€2,878 EUR
Retailer 7€2,944 EUR
Retailer 6€3,289 EUR
Retailer 9€3,444 EUR
Retailer 11€3,466 EUR
Retailer 5€3,892 EUR
Retailer 4€5,040 EUR
Retailer 2€5,044 EUR
Retailer 16€6,032 EUR
Retailer 12€8,801 EUR
Retailer 3€9,705 EUR
Retailer 13€10,813 EUR
Retailer 8€14,294 EUR
Brilliant Earth€15,691 EUR

11 data points across 16 retailers

11 retailers€1,621 EUR to €14,465 EUR

A
Cheapest Retailer
-
€1,621 EUR
£1,426 GBP
A
Retailer 2
-
€2,284 EUR
$2,552 USD
View
B+
Retailer 3
-
€2,878 EUR
$3,215 USD
View
B
Retailer 4
-
€3,444 EUR
£3,030 GBP
View
B+
Retailer 5
-
€3,466 EUR
$3,872 USD
View
B
Retailer 6
-
€5,040 EUR
$5,631 USD
View
B
Retailer 7
-
€6,032 EUR
$6,739 USD
View
B
Retailer 8
-
€8,801 EUR
$9,832 USD
View
B
Retailer 9
-
€9,705 EUR
$10,842 USD
View
B
Retailer 10
-
€10,813 EUR
$12,080 USD
View
Most Expensive
B
Brilliant Earth
22301497A · Oct 31
€14,465 EUR
$16,160 USD
View
10 more retailers have this diamond
Prices start from €1,621 EURSave up to €12,843 EUR

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
11.20ct Oval
€1,621 EUR