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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1558779805

Certificate GIA 1558779805

Diamond specifications and retailer prices

From $11,106 CAD
As of November 5, 2026
Save $8,843 CAD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,949 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558779805. Listed at 14 retailers as of November 4, 2026, with prices from $11,106 to $19,949, a $8,843 spread on the same certified stone. MOH London lists it at $19,949. 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

2.50
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558779805
Dimensions8.59 × 8.65 × 5.43 mm
L/W Ratio1.01
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
8.59 mm8.65 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558779805
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.0%

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: Nov 5
Current: $19,949 CAD|Low: $11,106 CAD|High: $19,949 CAD|Avg: $14,622 CAD|+6.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$11,106 CAD
Retailer 6$13,117 CAD
Retailer 4$13,777 CAD
Retailer 8$14,924 CAD
Retailer 3$15,670 CAD
Retailer 7$15,903 CAD
Retailer 2$18,192 CAD
MOH London$19,949 CAD

32 data points across 8 retailers

14 retailers$11,106 CAD to $19,949 CAD

A
Cheapest Retailer
-
$11,106 CAD
Retailer 2
-
$12,523 CAD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$13,117 CAD
View
Retailer 4
-
$13,129 CAD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$13,777 CAD
View
Retailer 6
-
$14,223 CAD
View
Price last confirmed 29 days ago
Retailer 7
-
$14,716 CAD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$14,924 CAD
View
B+
Retailer 9
-
$15,670 CAD
View
B+
Retailer 10
-
$15,903 CAD
View
Retailer 11
-
$16,411 CAD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$18,192 CAD
View
Retailer 13
-
$19,823 CAD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
CBA3A498F · Nov 4
$19,949 CAD
£11,247 GBP
View
13 more retailers have this diamond
Prices start from $11,106 CADSave up to $8,843 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
2.50ct Round
$11,106 CAD