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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1246106136

Certificate GIA 1246106136

Diamond specifications and retailer prices

From $12,798 CAD
As of November 5, 2026
10 retailers carry this diamond
Most expensive: $17,332 CAD at Diamonds Direct · As of October 28, 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 very-good cut grade and certified by GIA 1246106136. Listed at 10 retailers as of November 5, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1246106136
Dimensions8.44 × 8.39 × 5.46 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.44 mm8.39 mm2.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246106136
Side View
Table 56.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $17,332 CAD|Low: $11,757 CAD|High: $17,332 CAD|Avg: $14,382 CAD
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$11,757 CAD
Retailer 2$12,798 CAD
Retailer 4$12,938 CAD
Retailer 7$12,955 CAD
Retailer 11$12,998 CAD
Retailer 10$13,462 CAD
Retailer 5$15,019 CAD
Retailer 3$15,044 CAD
Retailer 8$15,191 CAD
Retailer 9$15,624 CAD
Diamonds Direct$17,332 CAD

7 data points across 11 retailers

10 retailers

Retailer 1
-
$11,757 CAD
Price last confirmed 9 days ago
B+
Retailer 2
-
$12,798 CAD
View
Retailer 3
-
$12,938 CAD
View
Price last confirmed 9 days ago
Retailer 4
-
$12,955 CAD
View
Price last confirmed 9 days ago
Retailer 5
-
$12,998 CAD
View
Price last confirmed 10 days ago
Retailer 6
-
$13,462 CAD
View
Price last confirmed 10 days ago
Retailer 7
-
$15,019 CAD
View
Price last confirmed 9 days ago
Retailer 8
-
$15,191 CAD
View
Price last confirmed 10 days ago
Retailer 9
-
$15,624 CAD
View
Price last confirmed 11 days ago
Most Expensive
Diamonds Direct
1147873 · Oct 28
$17,332 CAD
$12,410 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $12,798 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.

B+
2.51ct Round
$12,798 CAD