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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6555439015

Certificate GIA 6555439015

Diamond specifications and retailer prices

From $16,710 CAD
As of November 6, 2026
Save $9,486 CAD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $26,196 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 6555439015. Listed at 11 retailers as of November 5, 2026, with prices from $16,710 to $26,196, a $9,486 spread on the same certified stone. NZ Jewellers lists it at $26,196. 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
OriginNatural
Grading LabGIA
CertificateGIA 6555439015
Dimensions8.65 × 8.71 × 5.36 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.65 mm8.71 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555439015
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.8%

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 6
Current: $26,196 CAD|Low: $16,710 CAD|High: $26,196 CAD|Avg: $19,960 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$16,710 CAD
Retailer 9$17,350 CAD
Retailer 8$17,353 CAD
Retailer 2$17,985 CAD
Retailer 3$18,506 CAD
Retailer 11$18,795 CAD
Retailer 10$19,517 CAD
Retailer 6$19,652 CAD
Retailer 4$21,582 CAD
Retailer 7$24,481 CAD
NZ Jewellers$26,196 CAD

29 data points across 11 retailers

11 retailers$16,710 CAD to $26,196 CAD

A
Cheapest Retailer
-
$16,710 CAD
Retailer 2
-
$17,350 CAD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$17,353 CAD
View
A
Retailer 4
-
$17,985 CAD
View
B+
Retailer 5
-
$18,506 CAD
View
B+
Retailer 6
-
$18,795 CAD
View
B+
Retailer 7
-
$19,517 CAD
View
B+
Retailer 8
-
$19,652 CAD
View
B+
Retailer 9
-
$21,582 CAD
View
B
Retailer 10
-
$24,481 CAD
View
Most Expensive
B
NZ Jewellers
cc57180c-0f92-4f30-aad4-34c218e72643 · Nov 5
$26,196 CAD
$18,757 USD
View
10 more retailers have this diamond
Prices start from $16,710 CADSave up to $9,486 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
$16,710 CAD