Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6382112830

Certificate GIA 6382112830

Diamond specifications and retailer prices

From $3,304 CAD
As of November 6, 2026
Save $4,500 CAD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,804 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 6382112830. Listed at 20 retailers as of November 5, 2026, with prices from $3,304 to $7,804, a $4,500 spread on the same certified stone. NZ Jewellers lists it at $7,804. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6382112830
Dimensions6.70 × 7.12 × 4.18 mm
L/W Ratio1.06
Culet sizeNone
Top View
6.70 mm7.12 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6382112830
Side View
Table 56.0%CrownGirdle: VTN-ETKPavilionCulet: NoneDepth 58.7%

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: $4,241 CAD|Low: $3,605 CAD|High: $7,399 CAD|Avg: $4,885 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$3,675 CAD
Retailer 7$4,012 CAD
Retailer 1$4,241 CAD
Retailer 8$4,652 CAD
Retailer 6$4,802 CAD
Retailer 2$5,214 CAD
Retailer 4$5,467 CAD
Retailer 5$7,292 CAD

38 data points across 8 retailers

20 retailers$3,304 CAD to $7,804 CAD

B+
Cheapest Retailer
-
$3,304 CAD
B+
Retailer 2
-
$3,675 CAD
View
B+
Retailer 3
-
$3,692 CAD
View
B
Retailer 4
-
$3,825 CAD
View
B
Retailer 5
-
$3,896 CAD
View
B
Retailer 6
-
$3,896 CAD
View
B
Retailer 7
-
$4,012 CAD
View
B
Retailer 8
-
$4,023 CAD
View
B
Retailer 9
-
$4,241 CAD
View
B
Retailer 10
-
$4,346 CAD
View
B
Retailer 11
-
$4,480 CAD
View
Retailer 12
-
$4,480 CAD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$4,652 CAD
View
B
Retailer 14
-
$4,680 CAD
View
Retailer 15
-
$4,802 CAD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$5,168 CAD
View
B
Retailer 17
-
$5,214 CAD
View
B
Retailer 18
-
$5,467 CAD
View
B
Retailer 19
-
$7,292 CAD
View
Most Expensive
B
NZ Jewellers
08aad0d8-8048-47ea-b6a4-44e956ae65b9 · Nov 5
$7,804 CAD
$5,548 USD
View
19 more retailers have this diamond
Prices start from $3,304 CADSave up to $4,500 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
$3,304 CAD