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Oval|Lab Grown|IGI

2.51ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG831685212

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG831685212

Diamond specifications and retailer prices

From €387 EUR
$432 USD
As of October 31, 2026
Save €1,230 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,616 EUR at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831685212 or 831685212. Listed at 12 retailers as of October 31, 2026, with prices from €387 to €1,616, a €1,230 spread on the same certified stone. MOH London lists it at €1,616. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831685212
Dimensions9.96 × 7.94 × 4.81 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm7.94 mm2.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831685212
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 37°Culet: NoneDepth 60.6%

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: Oct 31
Current: €1,616 EUR|Low: €387 EUR|High: €1,616 EUR|Avg: €883 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€387 EUR
Retailer 7€414 EUR
Retailer 2€523 EUR
Retailer 6€546 EUR
Retailer 8€654 EUR
Retailer 3€660 EUR
Retailer 12€743 EUR
Retailer 11€746 EUR
Retailer 5€748 EUR
Retailer 9€1,330 EUR
Retailer 4€1,580 EUR
MOH London€1,616 EUR

5 data points across 12 retailers

12 retailers€387 EUR to €1,616 EUR

A
Cheapest Retailer
-
€387 EUR
$432 USD
A
Retailer 2
-
€414 EUR
$462 USD
View
A
Retailer 3
-
€523 EUR
£460 GBP
View
A
Retailer 4
-
€546 EUR
$610 USD
View
B+
Retailer 5
-
€654 EUR
View
B+
Retailer 6
-
€660 EUR
$737 USD
View
B+
Retailer 7
-
€743 EUR
$830 USD
View
B+
Retailer 8
-
€746 EUR
$833 USD
View
B+
Retailer 9
-
€748 EUR
£658 GBP
View
B
Retailer 10
-
€1,330 EUR
$1,486 USD
View
B
Retailer 11
-
€1,580 EUR
$1,765 USD
View
Most Expensive
B
MOH London
LG831685212 · Nov 1
€1,616 EUR
£1,422 GBP
View
11 more retailers have this diamond
Prices start from €387 EURSave up to €1,230 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
2.51ct Oval
€387 EUR