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Heart|Natural|GIA

1.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6421196620

Certificate GIA 6421196620

Diamond specifications and retailer prices

From $1,602 CAD
As of November 6, 2026
Save $3,906 CAD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,508 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6421196620. Listed at 16 retailers as of November 5, 2026, with prices from $1,602 to $5,508, a $3,906 spread on the same certified stone. NZ Jewellers lists it at $5,508. 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

1.00
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6421196620
Dimensions6.38 × 6.73 × 3.62 mm
L/W Ratio1.05
Top View
6.38 mm6.73 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6421196620
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 53.7%

Caratlytics Score

How it works →
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 6
Current: $1,602 CAD|Low: $1,537 CAD|High: $4,003 CAD|Avg: $2,448 CAD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$1,602 CAD
Retailer 5$1,637 CAD
Retailer 6$2,083 CAD
Retailer 7$2,362 CAD
Retailer 3$2,504 CAD
Retailer 2$3,066 CAD
Retailer 4$3,946 CAD

43 data points across 7 retailers

16 retailers$1,602 CAD to $5,508 CAD

A
Cheapest Retailer
-
$1,602 CAD
A
Retailer 2
-
$1,637 CAD
View
B+
Retailer 3
-
$2,083 CAD
View
Final sale: no returns
B+
Retailer 4
-
$2,169 CAD
View
Retailer 5
-
$2,258 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,258 CAD
View
B+
Retailer 7
-
$2,274 CAD
View
B+
Retailer 8
-
$2,274 CAD
View
B+
Retailer 9
-
$2,362 CAD
View
B+
Retailer 10
-
$2,474 CAD
View
B+
Retailer 11
-
$2,504 CAD
View
B
Retailer 12
-
$2,605 CAD
View
B
Retailer 13
-
$3,066 CAD
View
B
Retailer 14
-
$3,946 CAD
View
B
Retailer 15
-
$4,747 CAD
View
Most Expensive
C
NZ Jewellers
228d1c5b-7ff2-4645-a657-2199bf30e83c · Nov 5
$5,508 CAD
$3,916 USD
View
15 more retailers have this diamond
Prices start from $1,602 CADSave up to $3,906 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
1.00ct Heart
$1,602 CAD