Round|Lab Grown|IGI

2.51ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG496134893

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496134893

Diamond specifications and retailer prices

From €1,244 EUR
$1,390 USD
As of October 31, 2026
Save €6,648 EUR (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,893 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496134893 or 496134893. Listed at 10 retailers as of October 29, 2026, with prices from €1,244 to €7,893, a €6,648 spread on the same certified stone. MOH London lists it at €7,893. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134893
Dimensions8.78 × 8.81 × 5.26 mm
L/W Ratio1.00
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
8.78 mm8.81 mm2.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134893
Side View
Table 59.0%Crown 34.2°GirdlePavilion 40.2°Culet: NoneDepth 59.8%

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 31
Current: €7,893 EUR|Low: €1,244 EUR|High: €7,955 EUR|Avg: €4,514 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2€1,244 EUR
Retailer 4€2,670 EUR
Retailer 6€2,990 EUR
Retailer 7€3,736 EUR
Retailer 3€4,449 EUR
Retailer 5€4,813 EUR
Retailer 8€6,932 EUR
MOH London€7,893 EUR

15 data points across 8 retailers

10 retailers€1,244 EUR to €7,893 EUR

A
Cheapest Retailer
-
€1,244 EUR
$1,390 USD
B+
Retailer 2
-
€2,670 EUR
$2,983 USD
View
B+
Retailer 3
-
€2,905 EUR
$3,245 USD
View
B+
Retailer 4
-
€2,990 EUR
$3,340 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,097 EUR
$3,460 USD
View
Retailer 6
-
€3,097 EUR
$3,460 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€3,870 EUR
$4,324 USD
View
B
Retailer 8
-
€4,449 EUR
$4,971 USD
View
B
Retailer 9
-
€4,813 EUR
$5,377 USD
View
Most Expensive
B
MOH London
LG496134893 · Oct 29
€7,893 EUR
£6,943 GBP
View
9 more retailers have this diamond
Prices start from €1,244 EURSave up to €6,648 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
€1,244 EUR