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Round|Lab Grown|IGI

2.51ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG476186119

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186119

Diamond specifications and retailer prices

From $3,054 CAD
As of November 5, 2026
Save $6,534 CAD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,589 CAD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476186119 or 476186119. Listed at 9 retailers as of November 5, 2026, with prices from $3,054 to $9,589, a $6,534 spread on the same certified stone. MOH London lists it at $9,589. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186119
Dimensions8.78 × 8.80 × 5.23 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 mm8.80 mm2.51 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186119
Side View
Table 61.5%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,589 CAD|Low: $3,054 CAD|High: $12,681 CAD|Avg: $6,324 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$3,054 CAD
Retailer 5$3,543 CAD
Retailer 3$3,771 CAD
Retailer 7$4,528 CAD
Retailer 6$5,536 CAD
Retailer 2$5,554 CAD
MOH London$9,589 CAD
Retailer 8$12,681 CAD

16 data points across 8 retailers

9 retailers$3,054 CAD to $9,589 CAD

A
Cheapest Retailer
-
$3,054 CAD
A
Retailer 2
-
$3,324 CAD
View
A
Retailer 3
-
$3,543 CAD
View
Retailer 4
-
$3,543 CAD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$3,771 CAD
View
B
Retailer 6
-
$4,871 CAD
View
B
Retailer 7
-
$5,536 CAD
View
B
Retailer 8
-
$5,554 CAD
View
Most Expensive
B
MOH London
LG476186119 · Nov 5
$9,589 CAD
£5,406 GBP
View
8 more retailers have this diamond
Prices start from $3,054 CADSave up to $6,534 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
$3,054 CAD