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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 1533868510

Certificate GIA 1533868510

Diamond specifications and retailer prices

From $3,981 CAD
As of November 5, 2026
Save $3,764 CAD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,745 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533868510. Listed at 19 retailers as of November 5, 2026, with prices from $3,981 to $7,745, a $3,764 spread on the same certified stone. NZ Jewellers lists it at $7,745. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.42°
Pavilion angle43.11°
OriginNatural
Grading LabGIA
CertificateGIA 1533868510
Dimensions7.31 × 6.60 × 4.33 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.31 mm6.60 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1533868510
Side View
Table 58.0%Crown 36.42°Girdle: Slightly ThickPavilion 43.11°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 5
Current: $7,745 CAD|Low: $3,981 CAD|High: $7,984 CAD|Avg: $5,126 CAD|-3.0%
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
November 6, 2026
Retailer 6$3,981 CAD
Retailer 16$3,981 CAD
Retailer 9$4,103 CAD
Retailer 5$4,231 CAD
Retailer 11$4,313 CAD
Retailer 17$4,446 CAD
Retailer 10$4,583 CAD
Retailer 13$4,600 CAD
Retailer 3$4,616 CAD
Retailer 4$4,646 CAD
Retailer 2$4,683 CAD
Retailer 15$4,716 CAD
Retailer 7$4,970 CAD
Retailer 8$5,130 CAD
Retailer 12$5,176 CAD
Retailer 14$5,425 CAD
Retailer 18$7,434 CAD
NZ Jewellers$7,745 CAD

28 data points across 18 retailers

19 retailers$3,981 CAD to $7,745 CAD

B+
Cheapest Retailer
-
$3,981 CAD
B+
Retailer 2
-
$3,981 CAD
View
B+
Retailer 3
-
$4,103 CAD
View
Final sale: no returns
B+
Retailer 4
-
$4,231 CAD
View
B+
Retailer 5
-
$4,313 CAD
View
B+
Retailer 6
-
$4,446 CAD
View
Retailer 7
-
$4,583 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,600 CAD
View
B+
Retailer 9
-
$4,616 CAD
View
B+
Retailer 10
-
$4,646 CAD
View
B+
Retailer 11
-
$4,683 CAD
View
B+
Retailer 12
-
$4,716 CAD
View
Retailer 13
-
$4,895 CAD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$4,970 CAD
View
B+
Retailer 15
-
$5,130 CAD
View
B+
Retailer 16
-
$5,176 CAD
View
B
Retailer 17
-
$5,425 CAD
View
B
Retailer 18
-
$7,434 CAD
View
Most Expensive
B
NZ Jewellers
4e7c2b87-0a6b-470c-b50c-3fab8bf0dc01 · Nov 5
$7,745 CAD
$5,506 USD
View
18 more retailers have this diamond
Prices start from $3,981 CADSave up to $3,764 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
$3,981 CAD