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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 11239679

Certificate GIA 11239679

Diamond specifications and retailer prices

From $5,878 CAD
As of November 4, 2026
Save $3,197 CAD (35%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,441 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 11239679. Listed at 14 retailers as of November 4, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 11239679
Dimensions6.62 × 7.63 × 4.38 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeVery Small
Top View
6.62 mm7.63 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 11239679
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: Very SmallDepth 57.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,441 CAD|Low: $5,183 CAD|High: $12,441 CAD|Avg: $8,052 CAD
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
November 6, 2026
Retailer 8$6,220 CAD
Retailer 12$6,358 CAD
Retailer 10$6,739 CAD
Retailer 11$6,739 CAD
Retailer 13$6,739 CAD
Retailer 2$7,307 CAD
Retailer 9$7,499 CAD
Retailer 4$7,698 CAD
Retailer 3$7,776 CAD
Retailer 5$8,209 CAD
Retailer 6$9,075 CAD
Retailer 7$11,817 CAD
NZ Jewellers$12,441 CAD

46 data points across 13 retailers

14 retailers$5,878 CAD to $9,075 CAD

B
Cheapest Retailer
-
$5,878 CAD
B
Retailer 2
-
$6,220 CAD
View
Final sale: no returns
B
Retailer 3
-
$6,358 CAD
View
B
Retailer 4
-
$6,739 CAD
View
B
Retailer 5
-
$6,739 CAD
View
Retailer 6
-
$6,739 CAD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$7,307 CAD
View
Retailer 8
-
$7,499 CAD
View
Price last confirmed 28 days ago
B
Retailer 9
-
$7,698 CAD
View
B
Retailer 10
-
$7,776 CAD
View
Retailer 11
-
$8,209 CAD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$9,075 CAD
View
Retailer 13
-
$11,817 CAD
View
Price under review
Most Expensive
NZ Jewellers
c10bbc6e-0c46-450a-9884-6dd09bc51576 · Nov 5
$12,441 CAD
$8,845 USD
View
Price under review
13 more retailers have this diamond
Prices start from $5,878 CADSave up to $3,197 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
$5,878 CAD