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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 €1,675 EUR
£1,473 GBP
As of October 27, 2026
Save €11,752 EUR (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €13,426 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 €1,675 to €13,426, a €11,752 spread on the same certified stone. Brilliant Earth lists it at €13,426. 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
Color
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

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: Oct 27
Current: €14,572 EUR|Low: €1,675 EUR|High: €14,572 EUR|Avg: €6,220 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€1,675 EUR
Retailer 10€2,123 EUR
Retailer 15€2,675 EUR
Retailer 7€2,738 EUR
Retailer 6€3,151 EUR
Retailer 9€3,199 EUR
Retailer 11€3,221 EUR
Retailer 5€3,614 EUR
Retailer 4€4,700 EUR
Retailer 2€4,981 EUR
Retailer 16€5,226 EUR
Retailer 12€8,187 EUR
Retailer 3€9,011 EUR
Retailer 13€10,052 EUR
Retailer 8€13,273 EUR
Brilliant Earth€14,572 EUR

11 data points across 16 retailers

12 retailers€1,675 EUR to €13,426 EUR

A
Cheapest Retailer
-
€1,675 EUR
£1,473 GBP
A
Retailer 2
-
€2,123 EUR
$2,372 USD
View
B+
Retailer 3
-
€2,675 EUR
$2,988 USD
View
B
Retailer 4
-
€3,199 EUR
£2,815 GBP
View
B+
Retailer 5
-
€3,221 EUR
$3,599 USD
View
B
Retailer 6
-
€4,700 EUR
$5,251 USD
View
B
Retailer 7
-
€4,981 EUR
$5,565 USD
View
B
Retailer 8
-
€5,226 EUR
$5,839 USD
View
B
Retailer 9
-
€8,187 EUR
$9,147 USD
View
B
Retailer 10
-
€9,011 EUR
$10,067 USD
View
B
Retailer 11
-
€10,052 EUR
$11,230 USD
View
Most Expensive
B
Brilliant Earth
22300764A · Oct 31
€13,426 EUR
$15,000 USD
View
11 more retailers have this diamond
Prices start from €1,675 EURSave up to €11,752 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
€1,675 EUR