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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 €3,387 EUR
As of November 6, 2026
Save €4,015 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,403 EUR 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 €3,387 to €7,403, a €4,015 spread on the same certified stone. NZ Jewellers lists it at €7,403. 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
Colour
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 6
Current: €7,403 EUR|Low: €3,498 EUR|High: €7,403 EUR|Avg: €4,719 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9€3,498 EUR
Retailer 4€3,850 EUR
Retailer 6€3,850 EUR
Retailer 8€3,850 EUR
Retailer 2€4,178 EUR
Retailer 3€4,184 EUR
Retailer 5€4,442 EUR
Retailer 7€6,768 EUR
NZ Jewellers€7,403 EUR

34 data points across 9 retailers

14 retailers€3,387 EUR to €7,403 EUR

B+
Cheapest Retailer
-
€3,387 EUR
B
Retailer 2
-
€3,498 EUR
View
B
Retailer 3
-
€3,616 EUR
View
B
Retailer 4
-
€3,830 EUR
View
B
Retailer 5
-
€3,850 EUR
View
B
Retailer 6
-
€3,850 EUR
View
Retailer 7
-
€3,850 EUR
View
Price last confirmed 9 days ago
B
Retailer 8
-
€4,178 EUR
View
B
Retailer 9
-
€4,184 EUR
View
B
Retailer 10
-
€4,442 EUR
View
Retailer 11
-
€4,442 EUR
View
Price last confirmed 29 days ago
Retailer 12
-
€4,692 EUR
View
Price last confirmed 15 days ago
B
Retailer 13
-
€6,768 EUR
View
Most Expensive
B
NZ Jewellers
3b720932-fd33-4e95-af39-8e3c3886d0cb · Nov 5
€7,403 EUR
$8,265 USD
View
13 more retailers have this diamond
Prices start from €3,387 EURSave up to €4,015 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
€3,387 EUR