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Heart|Natural|GIA

1.20ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 5231766973

Certificate GIA 5231766973

Diamond specifications and retailer prices

From $1,927 CAD
As of November 5, 2026
Save $2,781 CAD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,708 CAD at NZ Jewellers · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231766973. Listed at 6 retailers as of November 3, 2026, with prices from $1,927 to $4,708, a $2,781 spread on the same certified stone. NZ Jewellers lists it at $4,708. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.91°
Pavilion angle41.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231766973
Dimensions6.35 × 7.26 × 4.50 mm
L/W Ratio1.14
Top View
6.35 mm7.26 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231766973
Side View
Table 59.0%Crown 38.91°GirdlePavilion 41.33°CuletDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,708 CAD|Low: $1,927 CAD|High: $4,784 CAD|Avg: $2,656 CAD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$1,927 CAD
Retailer 5$1,930 CAD
Retailer 2$1,985 CAD
Retailer 6$2,020 CAD
Retailer 7$2,356 CAD
Retailer 8$2,435 CAD
Retailer 9$2,727 CAD
Retailer 3$3,535 CAD
NZ Jewellers$4,708 CAD

27 data points across 9 retailers

6 retailers$1,927 CAD to $4,708 CAD

A
Cheapest Retailer
-
$1,927 CAD
A
Retailer 2
-
$1,930 CAD
View
A
Retailer 3
-
$1,985 CAD
View
A
Retailer 4
-
$2,020 CAD
View
B
Retailer 5
-
$3,535 CAD
View
Most Expensive
B
NZ Jewellers
6ef88574-af0f-459b-a711-ebfd9ecd2e29 · Nov 3
$4,708 CAD
$3,347 USD
View
5 more retailers have this diamond
Prices start from $1,927 CADSave up to $2,781 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
$1,927 CAD