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Oval|Natural|GIA

2.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2546456911

Certificate GIA 2546456911

Diamond specifications and retailer prices

From $16,308 CAD
As of November 4, 2026
Save $12,702 CAD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $29,010 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546456911. Listed at 9 retailers as of November 4, 2026, with prices from $16,308 to $29,010, a $12,702 spread on the same certified stone. NZ Jewellers lists it at $29,010. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.85°
Pavilion angle39.63°
OriginNatural
Grading LabGIA
CertificateGIA 2546456911
Dimensions11.99 × 7.17 × 4.42 mm
L/W Ratio1.67
Top View
11.99 mm7.17 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546456911
Side View
Table 59.0%Crown 37.85°GirdlePavilion 39.63°Culet: NoneDepth 61.6%

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: $29,010 CAD|Low: $13,110 CAD|High: $29,010 CAD|Avg: $20,976 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$13,110 CAD
Retailer 9$16,308 CAD
Retailer 8$18,567 CAD
Retailer 5$18,573 CAD
Retailer 10$18,857 CAD
Retailer 11$19,581 CAD
Retailer 2$20,467 CAD
Retailer 7$21,925 CAD
Retailer 12$22,344 CAD
Retailer 3$24,822 CAD
Retailer 6$27,111 CAD
NZ Jewellers$29,010 CAD

31 data points across 12 retailers

9 retailers$16,308 CAD to $29,010 CAD

A
Cheapest Retailer
-
$16,308 CAD
B+
Retailer 2
-
$18,567 CAD
View
B+
Retailer 3
-
$18,573 CAD
View
B+
Retailer 4
-
$18,857 CAD
View
B+
Retailer 5
-
$19,581 CAD
View
B+
Retailer 6
-
$20,467 CAD
View
B
Retailer 7
-
$21,925 CAD
View
B
Retailer 8
-
$27,111 CAD
View
Most Expensive
B
NZ Jewellers
4ec45a73-6ca0-4e56-a7e0-2fded4eaf716 · Nov 5
$29,010 CAD
$20,624 USD
View
8 more retailers have this diamond
Prices start from $16,308 CADSave up to $12,702 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 Oval
$16,308 CAD