Heart|Natural|IGI

1.20ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 828653750

Shape and cutting style on the report: Heart brilliant

Certificate IGI 828653750

Diamond specifications and retailer prices

From €1,863 EUR
As of November 6, 2026
Save €2,535 EUR (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,398 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653750. Listed at 15 retailers as of November 5, 2026, with prices from €1,863 to €4,398, a €2,535 spread on the same certified stone. NZ Jewellers lists it at €4,398. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 828653750
Dimensions6.15 × 7.24 × 4.55 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Top View
6.15 mm7.24 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653750
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €4,398 EUR|Low: €1,863 EUR|High: €4,487 EUR|Avg: €2,437 EUR|-2.0%
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
November 7, 2026
Retailer 12€1,863 EUR
Retailer 10€1,903 EUR
Retailer 11€1,903 EUR
Retailer 13€2,000 EUR
Retailer 5€2,057 EUR
Retailer 4€2,104 EUR
Retailer 7€2,146 EUR
Retailer 8€2,158 EUR
Retailer 14€2,186 EUR
Retailer 6€2,213 EUR
Retailer 9€2,272 EUR
Retailer 15€2,380 EUR
Retailer 3€2,567 EUR
Retailer 2€3,592 EUR
NZ Jewellers€4,398 EUR

15 data points across 15 retailers

15 retailers€1,863 EUR to €4,398 EUR

A
Cheapest Retailer
-
€1,863 EUR
B+
Retailer 2
-
€1,903 EUR
View
Final sale: no returns
B+
Retailer 3
-
€1,903 EUR
View
B+
Retailer 4
-
€2,000 EUR
View
B+
Retailer 5
-
€2,057 EUR
View
B+
Retailer 6
-
€2,104 EUR
View
Retailer 7
-
€2,146 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,158 EUR
View
B+
Retailer 9
-
€2,186 EUR
View
B+
Retailer 10
-
€2,213 EUR
View
B+
Retailer 11
-
€2,272 EUR
View
B+
Retailer 12
-
€2,380 EUR
View
B
Retailer 13
-
€2,567 EUR
View
B
Retailer 14
-
€3,592 EUR
View
Most Expensive
B
NZ Jewellers
05724fd7-2c60-418b-ab97-b3717312dcc7 · Nov 5
€4,398 EUR
$4,910 USD
View
14 more retailers have this diamond
Prices start from €1,863 EURSave up to €2,535 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
€1,863 EUR