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Round|Lab Grown|IGI

2.51ct J SI2 Round Lab Grown Diamond

VG • J/SI2 • IGI LG476186869

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186869

Diamond specifications and retailer prices

From €1,226 EUR
$1,370 USD
As of October 30, 2026
Save €6,189 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,415 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG476186869 or 476186869. Listed at 10 retailers as of October 29, 2026, with prices from €1,226 to €7,415, a €6,189 spread on the same certified stone. MOH London lists it at €7,415. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186869
Dimensions9.02 × 8.97 × 5.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.02 mm8.97 mm2.51 ctJ / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186869
Side View
Table 63.0%Crown 31.1°Girdle: MediumPavilion 39.9°Culet: NoneDepth 56.3%

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: €7,415 EUR|Low: €1,226 EUR|High: €7,474 EUR|Avg: €3,811 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€1,226 EUR
Retailer 4€2,375 EUR
Retailer 7€2,660 EUR
Retailer 5€2,755 EUR
Retailer 8€2,755 EUR
Retailer 9€3,356 EUR
Retailer 3€4,042 EUR
Retailer 6€4,290 EUR
Retailer 10€6,167 EUR
MOH London€7,415 EUR

16 data points across 10 retailers

10 retailers€1,226 EUR to €7,415 EUR

A
Cheapest Retailer
-
€1,226 EUR
$1,370 USD
B+
Retailer 2
-
€2,375 EUR
$2,653 USD
View
B+
Retailer 3
-
€2,584 EUR
$2,887 USD
View
B+
Retailer 4
-
€2,660 EUR
$2,972 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,755 EUR
$3,078 USD
View
Retailer 6
-
€2,755 EUR
$3,078 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€3,786 EUR
$4,230 USD
View
B
Retailer 8
-
€4,042 EUR
$4,516 USD
View
B
Retailer 9
-
€4,290 EUR
$4,793 USD
View
Most Expensive
C
MOH London
LG476186869 · Oct 29
€7,415 EUR
£6,523 GBP
View
9 more retailers have this diamond
Prices start from €1,226 EURSave up to €6,189 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 Round
€1,226 EUR