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Heart|Natural|GIA

1.20ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 1509270809

Certificate GIA 1509270809

Diamond specifications and retailer prices

From €3,372 EUR
$3,782 USD
As of November 1, 2026
Save €3,997 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,369 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €3,372 to €7,369, a €3,997 spread on the same certified stone. NZ Jewellers lists it at €7,369. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €7,369 EUR|Low: €3,483 EUR|High: €7,369 EUR|Avg: €4,693 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€3,483 EUR
Retailer 5€3,832 EUR
Retailer 6€3,832 EUR
Retailer 7€3,832 EUR
Retailer 2€4,182 EUR
Retailer 4€4,206 EUR
Retailer 8€4,421 EUR
Retailer 3€6,737 EUR
NZ Jewellers€7,369 EUR

32 data points across 9 retailers

14 retailers€3,372 EUR to €7,369 EUR

B+
Cheapest Retailer
-
€3,372 EUR
$3,782 USD
B
Retailer 2
-
€3,483 EUR
$3,906 USD
View
B
Retailer 3
-
€3,599 EUR
$4,037 USD
View
B
Retailer 4
-
€3,813 EUR
$4,277 USD
View
B
Retailer 5
-
€3,832 EUR
$4,298 USD
View
B
Retailer 6
-
€3,832 EUR
$4,298 USD
View
B
Retailer 7
-
€3,832 EUR
$4,298 USD
View
B
Retailer 8
-
€4,182 EUR
£3,693 GBP
View
B
Retailer 9
-
€4,206 EUR
£3,715 GBP
View
B
Retailer 10
-
€4,421 EUR
$4,959 USD
View
Retailer 11
-
€4,421 EUR
$4,959 USD
View
Price last confirmed 24 days ago
Retailer 12
-
€4,671 EUR
$5,239 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€6,737 EUR
£5,950 GBP
View
Most Expensive
B
NZ Jewellers
d2b239d0-0fa3-4bef-996c-5b7bf191d0b4 · Oct 30
€7,369 EUR
$8,265 USD
View
13 more retailers have this diamond
Prices start from €3,372 EURSave up to €3,997 EUR

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
€3,372 EUR