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Oval|Lab Grown|IGI

2.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451057758

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057758

Diamond specifications and retailer prices

From €1,262 EUR
$1,410 USD
As of October 30, 2026
Save €6,228 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,490 EUR at MOH London · As of October 29, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057758 or 451057758. Listed at 11 retailers as of October 29, 2026, with prices from €1,262 to €7,490, a €6,228 spread on the same certified stone. MOH London lists it at €7,490. 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
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057758
Dimensions10.41 × 7.79 × 4.82 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.41 mm7.79 mm2.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057758
Side View
Table 54.5%Crown 34°Girdle: STK-VTKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €7,490 EUR|Low: €1,262 EUR|High: €9,957 EUR|Avg: €4,261 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2€1,262 EUR
Retailer 4€2,399 EUR
Retailer 7€2,685 EUR
Retailer 5€2,783 EUR
Retailer 8€2,927 EUR
Retailer 9€3,386 EUR
Retailer 3€4,083 EUR
Retailer 6€4,331 EUR
MOH London€7,490 EUR
Retailer 10€9,957 EUR

15 data points across 10 retailers

11 retailers€1,262 EUR to €7,490 EUR

A
Cheapest Retailer
-
€1,262 EUR
$1,410 USD
B+
Retailer 2
-
€2,399 EUR
$2,680 USD
View
B+
Retailer 3
-
€2,610 EUR
$2,916 USD
View
B+
Retailer 4
-
€2,685 EUR
$3,000 USD
View
Final sale: no returns
Retailer 5
-
€2,783 EUR
$3,109 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€2,783 EUR
$3,109 USD
View
B+
Retailer 7
-
€2,927 EUR
$3,270 USD
View
B
Retailer 8
-
€3,825 EUR
$4,273 USD
View
B
Retailer 9
-
€4,083 EUR
$4,561 USD
View
B
Retailer 10
-
€4,331 EUR
$4,839 USD
View
Most Expensive
B
MOH London
LG451057758 · Oct 29
€7,490 EUR
£6,589 GBP
View
10 more retailers have this diamond
Prices start from €1,262 EURSave up to €6,228 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
€1,262 EUR