Heart|Natural|GIA

2.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6452427510

Certificate GIA 6452427510

Diamond specifications and retailer prices

From $35,844 CAD
$25,483 USD
As of November 5, 2026
2 retailers carry this diamond
Most expensive: $35,844 CAD at Blue Nile
View at Blue Nile

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452427510. Listed at 2 retailers as of November 5, 2026. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6452427510
Dimensions8.33 × 9.37 × 5.49 mm
L/W Ratio1.12
Top View
8.33 mm9.37 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452427510
Side View
Table 55.0%CrownGirdlePavilionCuletDepth 58.6%

Caratlytics Score

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Price History

Last verified: Nov 5
Current: $35,844 CAD|Low: $35,085 CAD|High: $35,844 CAD|Avg: $35,183 CAD
Blue Nile
Retailer 2
September 3, 2026
Retailer 2$35,207 CAD
Blue Nile$35,844 CAD

67 data points across 2 retailers

2 retailers

Retailer 1
-
$28,935 CAD
Price last confirmed 179 days ago
Most Expensive
B
Blue Nile
17222743 · Nov 5
$35,844 CAD
$25,483 USD
View
1 more retailer has this diamond

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 Heart
$35,844 CAD