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Oval|Lab Grown|IGI

6.31ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG635421503

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG635421503

Diamond specifications and retailer prices

From €2,026 EUR
$2,264 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: €3,476 EUR at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 6.31ct lab-grown oval diamond

This 6.31ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635421503 or 635421503. Listed at 2 retailers as of October 31, 2026. 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

6.31
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635421503
Dimensions14.89 × 10.49 × 6.42 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.89 mm10.49 mm6.31 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635421503
Side View
Table 63.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €3,476 EUR|Low: €654 EUR|High: €7,286 EUR|Avg: €2,794 EUR|-18.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 5, 2026
Retailer 6€654 EUR
Retailer 8€1,122 EUR
Retailer 3€1,536 EUR
Retailer 2€1,656 EUR
Retailer 5€2,026 EUR
Retailer 4€2,881 EUR
Rare Carat€3,476 EUR
Retailer 7€7,286 EUR

59 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
€2,026 EUR
$2,264 USD
Most Expensive
Rare Carat
LVA26-048 · Sep 9
€3,476 EUR
$3,883 USD
View
Price last confirmed 53 days ago
1 more retailer has this diamond
Prices start from €2,026 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.

B+
6.31ct Oval
€2,026 EUR