Heart|Natural|GIA

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6565046861

Certificate GIA 6565046861

Diamond specifications and retailer prices

From $4,151 CAD
As of November 6, 2026
Save $1,525 CAD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,676 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 J 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 6565046861. Listed at 7 retailers as of November 6, 2026, with prices from $4,151 to $5,676, a $1,525 spread on the same certified stone. GemTrove lists it at $5,676. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565046861
Dimensions7.14 × 7.80 × 4.62 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather, Natural
Top View
7.14 mm7.80 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565046861
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.2%

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: $4,151 CAD|Low: $4,151 CAD|High: $5,657 CAD|Avg: $4,772 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$4,151 CAD
Retailer 3$4,218 CAD
Retailer 2$4,510 CAD
Retailer 5$4,940 CAD
Retailer 4$5,030 CAD

46 data points across 5 retailers

7 retailers$4,151 CAD to $5,676 CAD

A
Cheapest Retailer
-
$4,151 CAD
A
Retailer 2
-
$4,218 CAD
View
A
Retailer 3
-
$4,510 CAD
View
B+
Retailer 4
-
$4,940 CAD
View
B+
Retailer 5
-
$5,030 CAD
View
B+
Retailer 6
-
$5,292 CAD
View
Most Expensive
B+
GemTrove
GT-N-01269524-98 · Nov 6
$5,676 CAD
A$6,208 AUD
View
6 more retailers have this diamond
Prices start from $4,151 CADSave up to $1,525 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
$4,151 CAD