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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2241088670

Certificate GIA 2241088670

Diamond specifications and retailer prices

From $15,307 CAD
As of November 5, 2026
Save $7,257 CAD (32%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,563 CAD at Diamonds Direct · As of November 5, 2026
View at Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2241088670. Listed at 13 retailers as of November 5, 2026, with prices from $15,307 to $22,563, a $7,257 spread on the same certified stone. Diamonds Direct lists it at $22,563. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2241088670
Dimensions8.77 × 8.81 × 5.33 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.77 mm8.81 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2241088670
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

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 5
Current: $22,563 CAD|Low: $15,307 CAD|High: $22,563 CAD|Avg: $18,060 CAD
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5$15,307 CAD
Retailer 2$16,431 CAD
Retailer 12$16,519 CAD
Retailer 8$16,536 CAD
Retailer 9$16,614 CAD
Retailer 11$16,923 CAD
Retailer 3$17,122 CAD
Retailer 7$17,914 CAD
Retailer 6$19,389 CAD
Retailer 4$19,396 CAD
Retailer 10$19,537 CAD
Retailer 13$20,168 CAD
Diamonds Direct$22,563 CAD

29 data points across 13 retailers

13 retailers$15,307 CAD to $22,563 CAD

A
Cheapest Retailer
-
$15,307 CAD
A
Retailer 2
-
$16,431 CAD
View
A
Retailer 3
-
$16,519 CAD
View
A
Retailer 4
-
$16,536 CAD
View
A
Retailer 5
-
$16,614 CAD
View
A
Retailer 6
-
$16,923 CAD
View
A
Retailer 7
-
$17,122 CAD
View
A
Retailer 8
-
$17,914 CAD
View
B+
Retailer 9
-
$19,389 CAD
View
B+
Retailer 10
-
$19,396 CAD
View
B+
Retailer 11
-
$19,537 CAD
View
B+
Retailer 12
-
$20,168 CAD
View
Most Expensive
B+
Diamonds Direct
1133708 · Nov 5
$22,563 CAD
$16,156 USD
View
12 more retailers have this diamond
Prices start from $15,307 CADSave up to $7,257 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
$15,307 CAD