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Oval|Lab Grown|IGI

10.40ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG549220745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG549220745

Diamond specifications and retailer prices

From €1,668 EUR
£1,473 GBP
As of October 27, 2026
Save €11,706 EUR (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €13,374 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.4ct lab-grown oval diamond

This 10.4ct 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 LG549220745 or 549220745. Listed at 12 retailers as of October 27, 2026, with prices from €1,668 to €13,374, a €11,706 spread on the same certified stone. Brilliant Earth lists it at €13,374. 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

10.40
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549220745
Dimensions17.79 × 12.25 × 7.72 mm
L/W Ratio1.45
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
17.79 mm12.25 mm10.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549220745
Side View
Table 61.5%Crown 35.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

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: €14,515 EUR|Low: €1,668 EUR|High: €14,515 EUR|Avg: €6,196 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€1,668 EUR
Retailer 10€2,115 EUR
Retailer 15€2,664 EUR
Retailer 7€2,728 EUR
Retailer 6€3,138 EUR
Retailer 9€3,187 EUR
Retailer 11€3,209 EUR
Retailer 5€3,600 EUR
Retailer 4€4,682 EUR
Retailer 2€4,962 EUR
Retailer 16€5,206 EUR
Retailer 12€8,155 EUR
Retailer 3€8,976 EUR
Retailer 13€10,012 EUR
Retailer 8€13,221 EUR
Brilliant Earth€14,515 EUR

11 data points across 16 retailers

12 retailers€1,668 EUR to €13,374 EUR

A
Cheapest Retailer
-
€1,668 EUR
£1,473 GBP
A
Retailer 2
-
€2,115 EUR
$2,372 USD
View
B+
Retailer 3
-
€2,664 EUR
$2,988 USD
View
B
Retailer 4
-
€3,187 EUR
£2,815 GBP
View
B+
Retailer 5
-
€3,209 EUR
$3,599 USD
View
B
Retailer 6
-
€4,682 EUR
$5,251 USD
View
B
Retailer 7
-
€4,962 EUR
$5,565 USD
View
B
Retailer 8
-
€5,206 EUR
$5,839 USD
View
B
Retailer 9
-
€8,155 EUR
$9,147 USD
View
B
Retailer 10
-
€8,976 EUR
$10,067 USD
View
B
Retailer 11
-
€10,012 EUR
$11,230 USD
View
Most Expensive
B
Brilliant Earth
22300764A · Oct 31
€13,374 EUR
$15,000 USD
View
11 more retailers have this diamond
Prices start from €1,668 EURSave up to €11,706 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
10.40ct Oval
€1,668 EUR