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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6555455676

Certificate GIA 6555455676

Diamond specifications and retailer prices

From $3,078 CAD
As of November 6, 2026
Save $5,480 CAD (64%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,558 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 H 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 6555455676. Listed at 25 retailers as of November 5, 2026, with prices from $3,078 to $8,558, a $5,480 spread on the same certified stone. NZ Jewellers lists it at $8,558. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555455676
Dimensions6.73 × 7.43 × 4.26 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.73 mm7.43 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555455676
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.3%

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: $8,558 CAD|Low: $3,078 CAD|High: $8,606 CAD|Avg: $5,047 CAD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 7$3,078 CAD
Retailer 2$3,213 CAD
Retailer 17$3,633 CAD
Retailer 18$3,674 CAD
Retailer 9$3,778 CAD
Retailer 12$3,971 CAD
Retailer 3$4,093 CAD
Retailer 11$4,116 CAD
Retailer 5$4,251 CAD
Retailer 14$4,286 CAD
Retailer 8$4,293 CAD
Retailer 15$4,332 CAD
Retailer 4$4,428 CAD
Retailer 6$4,723 CAD
Retailer 13$4,764 CAD
Retailer 16$4,996 CAD
Retailer 19$6,826 CAD
Retailer 10$8,253 CAD
NZ Jewellers$8,558 CAD

22 data points across 19 retailers

25 retailers$3,078 CAD to $8,558 CAD

A
Cheapest Retailer
-
$3,078 CAD
A
Retailer 2
-
$3,213 CAD
View
B+
Retailer 3
-
$3,633 CAD
View
B+
Retailer 4
-
$3,674 CAD
View
B+
Retailer 5
-
$3,778 CAD
View
Final sale: no returns
B+
Retailer 6
-
$3,795 CAD
View
B+
Retailer 7
-
$3,858 CAD
View
B+
Retailer 8
-
$3,861 CAD
View
B+
Retailer 9
-
$3,971 CAD
View
B+
Retailer 10
-
$4,093 CAD
View
Retailer 11
-
$4,116 CAD
View
Price last confirmed 8 days ago
Retailer 12
-
$4,116 CAD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
$4,251 CAD
View
B+
Retailer 14
-
$4,286 CAD
View
B+
Retailer 15
-
$4,293 CAD
View
B+
Retailer 16
-
$4,304 CAD
View
B+
Retailer 17
-
$4,332 CAD
View
B+
Retailer 18
-
$4,428 CAD
View
Retailer 19
-
$4,636 CAD
View
Price last confirmed 30 days ago
B+
Retailer 20
-
$4,723 CAD
View
B
Retailer 21
-
$4,764 CAD
View
B
Retailer 22
-
$4,996 CAD
View
B
Retailer 23
-
$6,826 CAD
View
Retailer 24
-
$8,253 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
6391fe8e-3615-4d57-b729-822588072907 · Nov 5
$8,558 CAD
$6,084 USD
View
24 more retailers have this diamond
Prices start from $3,078 CADSave up to $5,480 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
1.20ct Heart
$3,078 CAD