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Oval|Lab Grown|IGI

2.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG811626429

Shape and cutting style on the report: Oval polygon step cut

Certificate IGI LG811626429

Diamond specifications and retailer prices

From €913 EUR
$1,020 USD
As of October 31, 2026
Save €1,040 EUR (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,953 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811626429 or 811626429. Listed at 2 retailers as of October 26, 2026, with prices from €913 to €1,953, a €1,040 spread on the same certified stone. MOH London lists it at €1,953. 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

2.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle44.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811626429
Dimensions10.72 × 7.15 × 4.38 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm7.15 mm2.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811626429
Side View
Table 65.0%Crown 34.7°Girdle: Slightly ThickPavilion 44.5°Culet: NoneDepth 61.3%

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: €1,953 EUR|Low: €846 EUR|High: €1,975 EUR|Avg: €1,126 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
October 26, 2026
Retailer 3€883 EUR
Retailer 2€913 EUR
MOH London€1,953 EUR

10 data points across 3 retailers

2 retailers€913 EUR to €1,953 EUR

B+
Cheapest Retailer
-
€913 EUR
$1,020 USD
Most Expensive
B
MOH London
LG811626429 · Oct 26
€1,953 EUR
£1,718 GBP
View
1 more retailer has this diamond
Prices start from €913 EURSave up to €1,040 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+
2.51ct Oval
€913 EUR