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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 1533868510

Certificate GIA 1533868510

Diamond specifications and retailer prices

From €2,535 EUR
As of November 5, 2026
Save €2,397 EUR (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,932 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533868510. Listed at 19 retailers as of November 5, 2026, with prices from €2,535 to €4,932, a €2,397 spread on the same certified stone. NZ Jewellers lists it at €4,932. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.42°
Pavilion angle43.11°
OriginNatural
Grading LabGIA
CertificateGIA 1533868510
Dimensions7.31 × 6.60 × 4.33 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.31 mm6.60 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1533868510
Side View
Table 58.0%Crown 36.42°Girdle: Slightly ThickPavilion 43.11°Culet: NoneDepth 59.3%

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 5
Current: €4,932 EUR|Low: €2,535 EUR|High: €5,084 EUR|Avg: €3,264 EUR|-3.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6€2,535 EUR
Retailer 16€2,535 EUR
Retailer 9€2,613 EUR
Retailer 5€2,694 EUR
Retailer 11€2,746 EUR
Retailer 17€2,831 EUR
Retailer 10€2,918 EUR
Retailer 13€2,929 EUR
Retailer 3€2,940 EUR
Retailer 4€2,958 EUR
Retailer 2€2,982 EUR
Retailer 15€3,003 EUR
Retailer 7€3,164 EUR
Retailer 8€3,266 EUR
Retailer 12€3,296 EUR
Retailer 14€3,455 EUR
Retailer 18€4,734 EUR
NZ Jewellers€4,932 EUR

28 data points across 18 retailers

19 retailers€2,535 EUR to €4,932 EUR

B+
Cheapest Retailer
-
€2,535 EUR
B+
Retailer 2
-
€2,535 EUR
View
B+
Retailer 3
-
€2,613 EUR
View
Final sale: no returns
B+
Retailer 4
-
€2,694 EUR
View
B+
Retailer 5
-
€2,746 EUR
View
B+
Retailer 6
-
€2,831 EUR
View
Retailer 7
-
€2,918 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,929 EUR
View
B+
Retailer 9
-
€2,940 EUR
View
B+
Retailer 10
-
€2,958 EUR
View
B+
Retailer 11
-
€2,982 EUR
View
B+
Retailer 12
-
€3,003 EUR
View
Retailer 13
-
€3,117 EUR
View
Price last confirmed 31 days ago
B
Retailer 14
-
€3,164 EUR
View
B+
Retailer 15
-
€3,266 EUR
View
B+
Retailer 16
-
€3,296 EUR
View
B
Retailer 17
-
€3,455 EUR
View
B
Retailer 18
-
€4,734 EUR
View
Most Expensive
B
NZ Jewellers
4e7c2b87-0a6b-470c-b50c-3fab8bf0dc01 · Nov 5
€4,932 EUR
$5,506 USD
View
18 more retailers have this diamond
Prices start from €2,535 EURSave up to €2,397 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
€2,535 EUR