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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5242069331

Certificate GIA 5242069331

Diamond specifications and retailer prices

From $15,259 CAD
As of November 3, 2026
Save $7,690 CAD (34%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,949 CAD at Diamonds Direct · As of November 1, 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 5242069331. Listed at 13 retailers as of November 1, 2026, with prices from $15,259 to $22,949, a $7,690 spread on the same certified stone. Diamonds Direct lists it at $22,949. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242069331
Dimensions8.63 × 8.67 × 5.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.63 mm8.67 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242069331
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $22,949 CAD|Low: $15,259 CAD|High: $24,199 CAD|Avg: $18,880 CAD|-5.2%
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 5, 2026
Retailer 6$15,259 CAD
Retailer 8$16,473 CAD
Retailer 7$16,639 CAD
Retailer 10$16,808 CAD
Retailer 11$16,897 CAD
Retailer 2$16,946 CAD
Retailer 13$17,210 CAD
Retailer 12$17,388 CAD
Retailer 3$19,717 CAD
Retailer 9$19,826 CAD
Retailer 4$19,847 CAD
Retailer 5$20,506 CAD
Diamonds Direct$22,949 CAD

30 data points across 13 retailers

13 retailers$15,259 CAD to $22,949 CAD

A
Cheapest Retailer
-
$15,259 CAD
A
Retailer 2
-
$16,473 CAD
View
A
Retailer 3
-
$16,639 CAD
View
A
Retailer 4
-
$16,808 CAD
View
A
Retailer 5
-
$16,897 CAD
View
A
Retailer 6
-
$16,946 CAD
View
A
Retailer 7
-
$17,210 CAD
View
A
Retailer 8
-
$17,388 CAD
View
B+
Retailer 9
-
$19,717 CAD
View
B+
Retailer 10
-
$19,826 CAD
View
B+
Retailer 11
-
$19,847 CAD
View
Retailer 12
-
$20,506 CAD
View
Price last confirmed 11 days ago
Most Expensive
B+
Diamonds Direct
1120578 · Nov 1
$22,949 CAD
$16,432 USD
View
12 more retailers have this diamond
Prices start from $15,259 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
2.51ct Round
$15,259 CAD