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Round|Lab Grown|IGI

2.51ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499106402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499106402

Diamond specifications and retailer prices

From €1,235 EUR
$1,380 USD
As of October 29, 2026
Save €6,657 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 LG499106402 or 499106402. Listed at 10 retailers as of October 29, 2026, with prices from €1,235 to €7,893, a €6,657 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499106402
Dimensions8.76 × 8.72 × 5.24 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
8.76 mm8.72 mm2.51 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499106402
Side View
Table 61.0%Crown 35.5°GirdlePavilion 40.2°Culet: NoneDepth 60.0%

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 29
Current: €7,893 EUR|Low: €1,235 EUR|High: €7,955 EUR|Avg: €4,185 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
Retailer 12
October 29, 2026
Retailer 6€1,235 EUR
Retailer 5€2,670 EUR
Retailer 9€2,905 EUR
Retailer 11€2,990 EUR
Retailer 7€3,097 EUR
Retailer 12€3,736 EUR
Retailer 10€3,870 EUR
Retailer 2€4,449 EUR
Retailer 8€4,813 EUR
Retailer 3€5,771 EUR
Retailer 4€6,932 EUR
MOH London€7,893 EUR

17 data points across 12 retailers

10 retailers€1,235 EUR to €7,893 EUR

A
Cheapest Retailer
-
€1,235 EUR
$1,380 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
LG499106402 · Oct 29
€7,893 EUR
£6,943 GBP
View
9 more retailers have this diamond
Prices start from €1,235 EURSave up to €6,657 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
€1,235 EUR