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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541799178

Certificate GIA 6541799178

Diamond specifications and retailer prices

From $14,007 CAD
As of November 6, 2026
Save $7,690 CAD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,696 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 6541799178. Listed at 11 retailers as of November 5, 2026, with prices from $14,007 to $21,696, a $7,690 spread on the same certified stone. NZ Jewellers lists it at $21,696. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6541799178
Dimensions8.68 × 8.64 × 5.42 mm
L/W Ratio1.00
Star length55%
Top View
8.68 mm8.64 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541799178
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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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: $21,696 CAD|Low: $14,007 CAD|High: $21,696 CAD|Avg: $16,735 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 4$14,007 CAD
Retailer 9$14,370 CAD
Retailer 8$14,371 CAD
Retailer 2$14,896 CAD
Retailer 11$15,567 CAD
Retailer 3$15,807 CAD
Retailer 7$16,347 CAD
Retailer 5$17,875 CAD
Retailer 10$17,962 CAD
Retailer 6$20,276 CAD
NZ Jewellers$21,696 CAD

29 data points across 11 retailers

11 retailers$14,007 CAD to $21,696 CAD

A
Cheapest Retailer
-
$14,007 CAD
Retailer 2
-
$14,370 CAD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$14,371 CAD
View
A
Retailer 4
-
$14,896 CAD
View
A
Retailer 5
-
$15,567 CAD
View
A
Retailer 6
-
$15,807 CAD
View
A
Retailer 7
-
$16,347 CAD
View
B+
Retailer 8
-
$17,875 CAD
View
B+
Retailer 9
-
$17,962 CAD
View
B+
Retailer 10
-
$20,276 CAD
View
Most Expensive
B+
NZ Jewellers
55130f87-974a-47b4-9126-a31325fafd30 · Nov 5
$21,696 CAD
$15,535 USD
View
10 more retailers have this diamond
Prices start from $14,007 CADSave up to $7,690 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
$14,007 CAD