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Round|Lab Grown|IGI

2.51ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG485161697

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161697

Diamond specifications and retailer prices

From $3,054 CAD
As of November 5, 2026
Save $6,559 CAD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,613 CAD at MOH London · As of November 3, 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 LG485161697 or 485161697. Listed at 9 retailers as of November 3, 2026, with prices from $3,054 to $9,613, a $6,559 spread on the same certified stone. MOH London lists it at $9,613. 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 angle31.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161697
Dimensions8.89 × 8.91 × 5.21 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
8.89 mm8.91 mm2.51 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161697
Side View
Table 61.5%Crown 31.9°GirdlePavilion 40.7°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
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: $9,613 CAD|Low: $3,054 CAD|High: $9,743 CAD|Avg: $5,483 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$3,054 CAD
Retailer 5$3,543 CAD
Retailer 2$3,771 CAD
Retailer 7$4,528 CAD
Retailer 6$5,536 CAD
Retailer 3$5,554 CAD
MOH London$9,613 CAD

18 data points across 7 retailers

9 retailers$3,054 CAD to $9,613 CAD

A
Cheapest Retailer
-
$3,054 CAD
B+
Retailer 2
-
$3,324 CAD
View
B+
Retailer 3
-
$3,543 CAD
View
Retailer 4
-
$3,543 CAD
View
Price last confirmed 26 days ago
B+
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
LG485161697 · Nov 3
$9,613 CAD
£5,420 GBP
View
8 more retailers have this diamond
Prices start from $3,054 CADSave up to $6,559 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