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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG814637983

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG814637983

Diamond specifications and retailer prices

From €84 EUR
As of November 5, 2026
Save €679 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €763 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814637983 or 814637983. Listed at 14 retailers as of November 2, 2026, with prices from €84 to €763, a €679 spread on the same certified stone. MOH London lists it at €763. 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

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryFair
FluorescenceNone
Crown angle33.3°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814637983
Dimensions6.26 × 4.57 × 2.86 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.26 mm4.57 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryFair
FluorescenceNone
CertificateIGI LG814637983
Side View
Table 66.0%Crown 33.3°Girdle: THN-STKPavilion 43.1°Culet: NoneDepth 62.6%

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 5
Current: €763 EUR|Low: €84 EUR|High: €772 EUR|Avg: €261 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3€84 EUR
Retailer 9€97 EUR
Retailer 10€110 EUR
Retailer 11€110 EUR
Retailer 5€142 EUR
Retailer 7€157 EUR
Retailer 2€193 EUR
Retailer 8€199 EUR
Retailer 6€238 EUR
Retailer 13€298 EUR
Retailer 12€334 EUR
Retailer 4€379 EUR
MOH London€763 EUR

43 data points across 13 retailers

14 retailers€84 EUR to €763 EUR

A
Cheapest Retailer
-
€84 EUR
A
Retailer 2
-
€97 EUR
View
Retailer 3
-
€110 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€110 EUR
View
A
Retailer 5
-
€142 EUR
View
A
Retailer 6
-
€157 EUR
View
B+
Retailer 7
-
€193 EUR
View
A
Retailer 8
-
€199 EUR
View
B+
Retailer 9
-
€238 EUR
View
B+
Retailer 10
-
€298 EUR
View
B
Retailer 11
-
€334 EUR
View
B
Retailer 12
-
€349 EUR
View
B
Retailer 13
-
€379 EUR
View
Most Expensive
B
MOH London
LG814637983 · Nov 2
€763 EUR
£671 GBP
View
13 more retailers have this diamond
Prices start from €84 EURSave up to €679 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
0.51ct Oval
€84 EUR