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Heart|Natural|IGI

1.20ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 743513531

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743513531

Diamond specifications and retailer prices

From €1,619 EUR
As of November 6, 2026
Save €2,755 EUR (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,374 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743513531. Listed at 14 retailers as of November 5, 2026, with prices from €1,619 to €4,374, a €2,755 spread on the same certified stone. NZ Jewellers lists it at €4,374. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 743513531
Dimensions6.81 × 7.47 × 4.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.81 mm7.47 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743513531
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 55.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,374 EUR|Low: €1,619 EUR|High: €4,374 EUR|Avg: €2,181 EUR
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
November 7, 2026
Retailer 4€1,619 EUR
Retailer 5€1,655 EUR
Retailer 7€1,739 EUR
Retailer 6€1,781 EUR
Retailer 11€1,793 EUR
Retailer 13€1,793 EUR
Retailer 3€1,827 EUR
Retailer 12€1,876 EUR
Retailer 2€1,975 EUR
Retailer 14€2,069 EUR
Retailer 9€2,188 EUR
Retailer 8€2,436 EUR
Retailer 10€3,133 EUR
NZ Jewellers€4,374 EUR

31 data points across 14 retailers

14 retailers€1,619 EUR to €4,374 EUR

A
Cheapest Retailer
-
€1,619 EUR
B+
Retailer 2
-
€1,655 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,739 EUR
View
A
Retailer 4
-
€1,781 EUR
View
B+
Retailer 5
-
€1,793 EUR
View
Retailer 6
-
€1,793 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€1,827 EUR
View
B+
Retailer 8
-
€1,876 EUR
View
B+
Retailer 9
-
€1,975 EUR
View
B+
Retailer 10
-
€2,069 EUR
View
B+
Retailer 11
-
€2,188 EUR
View
B
Retailer 12
-
€2,436 EUR
View
B
Retailer 13
-
€3,133 EUR
View
Most Expensive
C
NZ Jewellers
045ecf2b-a6fe-4461-baf6-c2eeecaa63b2 · Nov 5
€4,374 EUR
$4,884 USD
View
13 more retailers have this diamond
Prices start from €1,619 EURSave up to €2,755 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.

A
1.20ct Heart
€1,619 EUR