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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561216159

Certificate GIA 6561216159

Diamond specifications and retailer prices

From $11,993 CAD
As of November 4, 2026
Save $10,931 CAD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,924 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561216159. Listed at 17 retailers as of November 4, 2026, with prices from $11,993 to $22,924, a $10,931 spread on the same certified stone. NZ Jewellers lists it at $22,924. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561216159
Dimensions8.61 × 8.66 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Crystal, Needle
Top View
8.61 mm8.66 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561216159
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.6%

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 4
Current: $15,740 CAD|Low: $11,976 CAD|High: $21,739 CAD|Avg: $16,498 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$11,993 CAD
Retailer 4$14,810 CAD
Retailer 7$15,677 CAD
Retailer 1$15,740 CAD
Retailer 3$16,456 CAD
Retailer 2$18,886 CAD
Retailer 5$21,424 CAD

29 data points across 7 retailers

17 retailers$11,993 CAD to $22,924 CAD

A
Cheapest Retailer
-
$11,993 CAD
A
Retailer 2
-
$14,086 CAD
View
A
Retailer 3
-
$14,442 CAD
View
A
Retailer 4
-
$14,810 CAD
View
A
Retailer 5
-
$14,986 CAD
View
Retailer 6
-
$15,182 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$15,370 CAD
View
A
Retailer 8
-
$15,677 CAD
View
A
Retailer 9
-
$15,740 CAD
View
A
Retailer 10
-
$16,448 CAD
View
A
Retailer 11
-
$16,456 CAD
View
A
Retailer 12
-
$16,701 CAD
View
A
Retailer 13
-
$16,836 CAD
View
B+
Retailer 14
-
$18,886 CAD
View
B+
Retailer 15
-
$18,978 CAD
View
B+
Retailer 16
-
$21,424 CAD
View
Most Expensive
B
NZ Jewellers
d27d4636-6f5d-43e4-a4e7-2bc26c05caff · Nov 5
$22,924 CAD
$16,414 USD
View
16 more retailers have this diamond
Prices start from $11,993 CADSave up to $10,931 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
$11,993 CAD