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Round|Lab Grown|IGI

2.55ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG478112341

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478112341

Diamond specifications and retailer prices

From €1,235 EUR
$1,380 USD
As of October 30, 2026
Save €6,297 EUR (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,532 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478112341 or 478112341. Listed at 10 retailers as of October 29, 2026, with prices from €1,235 to €7,532, a €6,297 spread on the same certified stone. MOH London lists it at €7,532. 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

2.55
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478112341
Dimensions8.78 × 8.85 × 5.26 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.78 mm8.85 mm2.55 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478112341
Side View
Table 61.5%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.7%

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: €7,532 EUR|Low: €1,235 EUR|High: €7,582 EUR|Avg: €3,744 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€1,235 EUR
Retailer 5€2,412 EUR
Retailer 8€2,624 EUR
Retailer 10€2,701 EUR
Retailer 6€2,798 EUR
Retailer 11€3,406 EUR
Retailer 9€3,846 EUR
Retailer 4€4,106 EUR
Retailer 7€4,356 EUR
Retailer 3€6,263 EUR
MOH London€7,532 EUR

17 data points across 11 retailers

10 retailers€1,235 EUR to €7,532 EUR

A
Cheapest Retailer
-
€1,235 EUR
$1,380 USD
B+
Retailer 2
-
€2,412 EUR
$2,695 USD
View
B+
Retailer 3
-
€2,624 EUR
$2,932 USD
View
B+
Retailer 4
-
€2,701 EUR
$3,018 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,798 EUR
$3,126 USD
View
Retailer 6
-
€2,798 EUR
$3,126 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€3,846 EUR
$4,297 USD
View
B
Retailer 8
-
€4,106 EUR
$4,587 USD
View
B
Retailer 9
-
€4,356 EUR
$4,866 USD
View
Most Expensive
B
MOH London
LG478112341 · Oct 29
€7,532 EUR
£6,626 GBP
View
9 more retailers have this diamond
Prices start from €1,235 EURSave up to €6,297 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
2.55ct Round
€1,235 EUR