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Oval|Lab Grown|IGI

10.31ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG577377877

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577377877

Diamond specifications and retailer prices

From €1,371 EUR
$1,538 USD
As of November 1, 2026
Save €5,127 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €6,499 EUR at Adiamor · As of November 2, 2026
View at Adiamor

About this 10.31ct lab-grown oval diamond

This 10.31ct 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 LG577377877 or 577377877. Listed at 12 retailers as of November 1, 2026, with prices from €1,371 to €6,499, a €5,127 spread on the same certified stone. Adiamor lists it at €6,499. 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

10.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377877
Dimensions17.46 × 12.33 × 7.75 mm
L/W Ratio1.42
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
17.46 mm12.33 mm10.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377877
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 41°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 1
Current: €6,499 EUR|Low: €1,371 EUR|High: €14,435 EUR|Avg: €4,379 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 12€1,371 EUR
Retailer 2€1,419 EUR
Retailer 4€1,492 EUR
Retailer 14€1,591 EUR
Retailer 13€1,743 EUR
Retailer 16€1,872 EUR
Retailer 15€2,046 EUR
Retailer 9€2,247 EUR
Retailer 10€2,504 EUR
Retailer 11€2,812 EUR
Retailer 3€2,981 EUR
Retailer 5€3,630 EUR
Retailer 7€6,351 EUR
Adiamor€6,499 EUR
Retailer 6€13,107 EUR
Retailer 8€14,435 EUR

6 data points across 16 retailers

12 retailers€1,371 EUR to €6,499 EUR

A
Cheapest Retailer
-
€1,371 EUR
$1,538 USD
A
Retailer 2
-
€1,419 EUR
£1,253 GBP
View
A
Retailer 3
-
€1,492 EUR
$1,673 USD
View
A
Retailer 4
-
€1,591 EUR
$1,784 USD
View
A
Retailer 5
-
€1,743 EUR
$1,955 USD
View
A
Retailer 6
-
€1,872 EUR
HK$16,400 HKD
View
A
Retailer 7
-
€2,046 EUR
$2,295 USD
View
A
Retailer 8
-
€2,247 EUR
£1,984 GBP
View
B+
Retailer 9
-
€2,504 EUR
$2,808 USD
View
B+
Retailer 10
-
€2,812 EUR
$3,154 USD
View
B+
Retailer 11
-
€2,981 EUR
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Nov 2
€6,499 EUR
$7,289 USD
View
11 more retailers have this diamond
Prices start from €1,371 EURSave up to €5,127 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
10.31ct Oval
€1,371 EUR