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Oval|Lab Grown|IGI

10.66ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG579385493

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG579385493

Diamond specifications and retailer prices

From €1,417 EUR
$1,589 USD
As of November 1, 2026
Save €5,513 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €6,929 EUR at Adiamor · As of November 2, 2026
View at Adiamor

About this 10.66ct lab-grown oval diamond

This 10.66ct 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 LG579385493 or 579385493. Listed at 13 retailers as of November 1, 2026, with prices from €1,417 to €6,929, a €5,513 spread on the same certified stone. Adiamor lists it at €6,929. 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

10.66
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579385493
Dimensions18.34 × 12.24 × 7.63 mm
L/W Ratio1.50
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
18.34 mm12.24 mm10.66 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579385493
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 1
Current: €6,929 EUR|Low: €1,417 EUR|High: €14,925 EUR|Avg: €4,403 EUR
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 13€1,417 EUR
Retailer 2€1,466 EUR
Retailer 5€1,542 EUR
Retailer 15€1,643 EUR
Retailer 14€1,797 EUR
Retailer 3€1,940 EUR
Retailer 16€2,108 EUR
Retailer 9€2,328 EUR
Retailer 11€2,585 EUR
Retailer 12€2,906 EUR
Retailer 4€3,080 EUR
Retailer 6€3,755 EUR
Retailer 10€5,020 EUR
Adiamor€6,929 EUR
Retailer 7€13,552 EUR
Retailer 8€14,925 EUR

6 data points across 16 retailers

13 retailers€1,417 EUR to €6,929 EUR

A
Cheapest Retailer
-
€1,417 EUR
$1,589 USD
A
Retailer 2
-
€1,466 EUR
£1,295 GBP
View
A
Retailer 3
-
€1,542 EUR
$1,729 USD
View
A
Retailer 4
-
€1,643 EUR
$1,843 USD
View
A
Retailer 5
-
€1,797 EUR
$2,015 USD
View
A
Retailer 6
-
€1,940 EUR
HK$17,000 HKD
View
A
Retailer 7
-
€2,108 EUR
$2,364 USD
View
A
Retailer 8
-
€2,328 EUR
£2,056 GBP
View
B+
Retailer 9
-
€2,585 EUR
$2,899 USD
View
B+
Retailer 10
-
€2,906 EUR
$3,259 USD
View
B+
Retailer 11
-
€3,080 EUR
$3,455 USD
View
B
Retailer 12
-
€5,020 EUR
$5,630 USD
View
Most Expensive
B
Adiamor
D-82828870 · Nov 2
€6,929 EUR
$7,772 USD
View
12 more retailers have this diamond
Prices start from €1,417 EURSave up to €5,513 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
10.66ct Oval
€1,417 EUR