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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 $1,928 CAD
$1,380 USD
As of October 29, 2026
Save $10,390 CAD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,317 CAD 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 $1,928 to $12,317, a $10,390 spread on the same certified stone. MOH London lists it at $12,317. 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: $12,317 CAD|Low: $1,928 CAD|High: $12,415 CAD|Avg: $6,531 CAD|+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$1,928 CAD
Retailer 5$4,167 CAD
Retailer 9$4,533 CAD
Retailer 11$4,666 CAD
Retailer 7$4,833 CAD
Retailer 12$5,831 CAD
Retailer 10$6,040 CAD
Retailer 2$6,944 CAD
Retailer 8$7,511 CAD
Retailer 3$9,006 CAD
Retailer 4$10,818 CAD
MOH London$12,317 CAD

17 data points across 12 retailers

10 retailers$1,928 CAD to $12,317 CAD

A
Cheapest Retailer
-
$1,928 CAD
$1,380 USD
B+
Retailer 2
-
$4,167 CAD
$2,983 USD
View
B+
Retailer 3
-
$4,533 CAD
$3,245 USD
View
B+
Retailer 4
-
$4,666 CAD
$3,340 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,833 CAD
$3,460 USD
View
Retailer 6
-
$4,833 CAD
$3,460 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$6,040 CAD
$4,324 USD
View
B
Retailer 8
-
$6,944 CAD
$4,971 USD
View
B
Retailer 9
-
$7,511 CAD
$5,377 USD
View
Most Expensive
B
MOH London
LG499106402 · Oct 29
$12,317 CAD
£6,943 GBP
View
9 more retailers have this diamond
Prices start from $1,928 CADSave up to $10,390 CAD

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
$1,928 CAD