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Heart|Natural|GIA

1.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 5316818821

Certificate GIA 5316818821

Diamond specifications and retailer prices

From $1,367 CAD
As of November 6, 2026
Save $3,085 CAD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,452 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 5316818821. Listed at 12 retailers as of November 5, 2026, with prices from $1,367 to $4,452, a $3,085 spread on the same certified stone. NZ Jewellers lists it at $4,452. 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
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5316818821
Dimensions5.75 × 6.77 × 4.21 mm
L/W Ratio1.18
Top View
5.75 mm6.77 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5316818821
Side View
Table 59.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 62.1%

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: $4,452 CAD|Low: $1,367 CAD|High: $4,452 CAD|Avg: $2,308 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$1,367 CAD
Retailer 2$1,490 CAD
Retailer 10$1,685 CAD
Retailer 8$1,826 CAD
Retailer 9$1,895 CAD
Retailer 3$1,903 CAD
Retailer 4$2,083 CAD
Retailer 7$2,106 CAD
Retailer 5$3,332 CAD
NZ Jewellers$4,452 CAD

37 data points across 10 retailers

12 retailers$1,367 CAD to $4,452 CAD

A
Cheapest Retailer
-
$1,367 CAD
A
Retailer 2
-
$1,490 CAD
View
B+
Retailer 3
-
$1,685 CAD
View
Final sale: no returns
B+
Retailer 4
-
$1,708 CAD
View
B+
Retailer 5
-
$1,826 CAD
View
B+
Retailer 6
-
$1,895 CAD
View
B+
Retailer 7
-
$1,903 CAD
View
B+
Retailer 8
-
$2,051 CAD
View
B+
Retailer 9
-
$2,083 CAD
View
B+
Retailer 10
-
$2,106 CAD
View
B
Retailer 11
-
$3,332 CAD
View
Most Expensive
B
NZ Jewellers
5c2adc8f-68a6-44c7-b33f-9f01ab030d19 · Nov 5
$4,452 CAD
$3,165 USD
View
11 more retailers have this diamond
Prices start from $1,367 CADSave up to $3,085 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
$1,367 CAD