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Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 2556719376

Certificate GIA 2556719376

Diamond specifications and retailer prices

From $3,609 CAD
As of November 6, 2026
Save $4,581 CAD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,191 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-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 2556719376. Listed at 23 retailers as of November 5, 2026, with prices from $3,609 to $8,191, a $4,581 spread on the same certified stone. NZ Jewellers lists it at $8,191. 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

1.20
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.38°
Pavilion angle38.46°
OriginNatural
Grading LabGIA
CertificateGIA 2556719376
Dimensions6.34 × 7.24 × 4.30 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.34 mm7.24 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556719376
Side View
Table 61.0%Crown 39.38°Girdle: STK-VTKPavilion 38.46°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,609 CAD|Low: $3,609 CAD|High: $7,944 CAD|Avg: $5,007 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$3,609 CAD
Retailer 9$3,618 CAD
Retailer 7$4,135 CAD
Retailer 10$4,488 CAD
Retailer 3$4,560 CAD
Retailer 5$4,864 CAD
Retailer 4$5,031 CAD
Retailer 2$5,418 CAD
Retailer 6$5,738 CAD
Retailer 8$7,840 CAD

25 data points across 10 retailers

23 retailers$3,609 CAD to $8,191 CAD

B+
Cheapest Retailer
-
$3,609 CAD
B+
Retailer 2
-
$3,618 CAD
View
B
Retailer 3
-
$4,033 CAD
View
B+
Retailer 4
-
$4,135 CAD
View
B
Retailer 5
-
$4,173 CAD
View
B
Retailer 6
-
$4,338 CAD
View
Final sale: no returns
B
Retailer 7
-
$4,488 CAD
View
B
Retailer 8
-
$4,543 CAD
View
B
Retailer 9
-
$4,560 CAD
View
B
Retailer 10
-
$4,701 CAD
View
Retailer 11
-
$4,701 CAD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$4,864 CAD
View
B
Retailer 13
-
$4,882 CAD
View
B
Retailer 14
-
$4,903 CAD
View
Retailer 15
-
$5,022 CAD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$5,030 CAD
View
B
Retailer 17
-
$5,031 CAD
View
B
Retailer 18
-
$5,196 CAD
View
B
Retailer 19
-
$5,424 CAD
View
B
Retailer 20
-
$5,738 CAD
View
B
Retailer 21
-
$6,999 CAD
View
B
Retailer 22
-
$7,840 CAD
View
Most Expensive
B
NZ Jewellers
64a0fccb-8343-41c4-9706-32672873e768 · Nov 5
$8,191 CAD
$5,823 USD
View
22 more retailers have this diamond
Prices start from $3,609 CADSave up to $4,581 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.

B+
1.20ct Heart
$3,609 CAD