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Round|Natural|GIA

2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2245050886

Certificate GIA 2245050886

Diamond specifications and retailer prices

From $11,054 CAD
As of November 4, 2026
Save $10,338 CAD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,392 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245050886. Listed at 11 retailers as of November 4, 2026, with prices from $11,054 to $21,392, a $10,338 spread on the same certified stone. NZ Jewellers lists it at $21,392. 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
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2245050886
Dimensions8.63 × 8.70 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle, Natural
Top View
8.63 mm8.70 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245050886
Side View
Table 56.0%Crown 33°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 62.9%

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 4
Current: $21,392 CAD|Low: $11,054 CAD|High: $23,207 CAD|Avg: $14,463 CAD|-7.8%
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 7$11,054 CAD
Retailer 3$11,160 CAD
Retailer 9$11,805 CAD
Retailer 5$12,430 CAD
Retailer 11$12,790 CAD
Retailer 10$12,987 CAD
Retailer 8$13,071 CAD
Retailer 4$13,885 CAD
Retailer 2$13,927 CAD
Retailer 6$14,758 CAD
NZ Jewellers$21,392 CAD

39 data points across 11 retailers

11 retailers$11,054 CAD to $21,392 CAD

A
Cheapest Retailer
-
$11,054 CAD
A
Retailer 2
-
$11,160 CAD
View
Retailer 3
-
$11,805 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$12,430 CAD
View
B+
Retailer 5
-
$12,790 CAD
View
B+
Retailer 6
-
$12,987 CAD
View
B+
Retailer 7
-
$13,071 CAD
View
B+
Retailer 8
-
$13,885 CAD
View
B+
Retailer 9
-
$13,927 CAD
View
B+
Retailer 10
-
$14,758 CAD
View
Most Expensive
B
NZ Jewellers
212e4133-6e3b-4518-9414-07f823665f85 · Nov 5
$21,392 CAD
$15,317 USD
View
10 more retailers have this diamond
Prices start from $11,054 CADSave up to $10,338 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
$11,054 CAD