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Oval|Lab Grown|IGI

11.65ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG575382214

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG575382214

Diamond specifications and retailer prices

From €1,490 EUR
£1,310 GBP
As of November 2, 2026
Save €6,816 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €8,306 EUR at Adiamor · As of November 2, 2026
View at Adiamor

About this 11.65ct lab-grown oval diamond

This 11.65ct 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 LG575382214 or 575382214. Listed at 10 retailers as of November 2, 2026, with prices from €1,490 to €8,306, a €6,816 spread on the same certified stone. Adiamor lists it at €8,306. 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

11.65
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575382214
Dimensions18.28 × 12.84 × 8.07 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
18.28 mm12.84 mm11.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575382214
Side View
Table 61.5%Crown 36.1°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.9%

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: Nov 2
Current: €8,306 EUR|Low: €1,489 EUR|High: €8,306 EUR|Avg: €4,018 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2€1,490 EUR
Retailer 11€1,790 EUR
Retailer 7€2,005 EUR
Retailer 3€2,142 EUR
Retailer 9€2,910 EUR
Retailer 6€3,119 EUR
Retailer 12€3,141 EUR
Retailer 4€4,049 EUR
Retailer 5€5,021 EUR
Retailer 10€6,195 EUR
Retailer 8€7,725 EUR
Adiamor€8,306 EUR

40 data points across 12 retailers

10 retailers€1,490 EUR to €8,306 EUR

A
Cheapest Retailer
-
€1,490 EUR
£1,310 GBP
A
Retailer 2
-
€1,790 EUR
$2,000 USD
View
Final sale: no returns
A
Retailer 3
-
€2,005 EUR
$2,240 USD
View
A
Retailer 4
-
€2,142 EUR
HK$18,700 HKD
View
B+
Retailer 5
-
€2,910 EUR
$3,251 USD
View
B+
Retailer 6
-
€3,119 EUR
$3,485 USD
View
B
Retailer 7
-
€5,021 EUR
$5,610 USD
View
B
Retailer 8
-
€6,195 EUR
SGD 9,353 SGD
View
B
Retailer 9
-
€7,725 EUR
$8,630 USD
View
Most Expensive
B
Adiamor
D-61178980 · Nov 2
€8,306 EUR
$9,279 USD
View
9 more retailers have this diamond
Prices start from €1,490 EURSave up to €6,816 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
11.65ct Oval
€1,490 EUR