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Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6562053638

Certificate GIA 6562053638

Diamond specifications and retailer prices

From $3,481 CAD
As of November 6, 2026
Save $1,289 CAD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,771 CAD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 6562053638. Listed at 5 retailers as of November 6, 2026, with prices from $3,481 to $4,771, a $1,289 spread on the same certified stone. GemTrove lists it at $4,771. 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

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562053638
Dimensions7.22 × 7.82 × 4.59 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
7.22 mm7.82 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562053638
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.7%

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 6
Current: $3,481 CAD|Low: $3,481 CAD|High: $4,661 CAD|Avg: $3,929 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$3,481 CAD
Retailer 3$3,578 CAD
Retailer 2$3,843 CAD
Retailer 4$4,144 CAD

46 data points across 4 retailers

5 retailers$3,481 CAD to $4,771 CAD

A
Cheapest Retailer
-
$3,481 CAD
A
Retailer 2
-
$3,578 CAD
View
A
Retailer 3
-
$3,843 CAD
View
A
Retailer 4
-
$4,144 CAD
View
Most Expensive
B+
GemTrove
GT-N-01269523-98 · Nov 6
$4,771 CAD
A$5,218 AUD
View
4 more retailers have this diamond
Prices start from $3,481 CADSave up to $1,289 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
1.51ct Heart
$3,481 CAD