Heart|Natural|GIA

1.20ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 1509270809

Certificate GIA 1509270809

Diamond specifications and retailer prices

From $3,782 USD
As of November 6, 2026
Save $4,483 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,265 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1509270809. Listed at 14 retailers as of November 5, 2026, with prices from $3,782 to $8,265, a $4,483 spread on the same certified stone. NZ Jewellers lists it at $8,265. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1509270809
Dimensions6.26 × 7.39 × 4.56 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
6.26 mm7.39 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509270809
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,265 USD|Low: $3,906 USD|High: $8,265 USD|Avg: $5,269 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$3,906 USD
Retailer 4$4,298 USD
Retailer 6$4,298 USD
Retailer 8$4,298 USD
Retailer 2$4,665 USD
Retailer 3$4,671 USD
Retailer 5$4,959 USD
Retailer 7$7,556 USD
NZ Jewellers$8,265 USD

34 data points across 9 retailers

14 retailers$3,782 USD to $8,265 USD

B+
Cheapest Retailer
-
$3,782 USD
B
Retailer 2
-
$3,906 USD
View
B
Retailer 3
-
$4,037 USD
View
B
Retailer 4
-
$4,276 USD
View
B
Retailer 5
-
$4,298 USD
View
B
Retailer 6
-
$4,298 USD
View
Retailer 7
-
$4,298 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$4,665 USD
View
B
Retailer 9
-
$4,671 USD
View
B
Retailer 10
-
$4,959 USD
View
Retailer 11
-
$4,959 USD
View
Price last confirmed 28 days ago
Retailer 12
-
$5,239 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$7,556 USD
View
Most Expensive
B
NZ Jewellers
3b720932-fd33-4e95-af39-8e3c3886d0cb · Nov 5
$8,265 USD
View
13 more retailers have this diamond
Prices start from $3,782 USDSave up to $4,483 USD

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
$3,782 USD