Heart|Natural|IGI

1.21ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 732579315

Shape and cutting style on the report: Heart brilliant

Certificate IGI 732579315

Diamond specifications and retailer prices

From €1,755 EUR
As of November 5, 2026
Save €2,871 EUR (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,625 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct 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 732579315. Listed at 8 retailers as of November 5, 2026, with prices from €1,755 to €4,625, a €2,871 spread on the same certified stone. NZ Jewellers lists it at €4,625. 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

1.21
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 732579315
Dimensions6.32 × 7.09 × 4.41 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Top View
6.32 mm7.09 mm1.21 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 732579315
Side View
Table 60.0%Crown 41.5°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 62.2%

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: €4,625 EUR|Low: €1,618 EUR|High: €4,625 EUR|Avg: €2,523 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
November 7, 2026
Retailer 6€1,755 EUR
Retailer 4€1,813 EUR
Retailer 10€2,042 EUR
Retailer 3€2,158 EUR
Retailer 8€2,212 EUR
Retailer 9€2,227 EUR
Retailer 12€2,313 EUR
Retailer 7€2,314 EUR
Retailer 2€2,359 EUR
Retailer 11€2,459 EUR
Retailer 5€3,855 EUR
NZ Jewellers€4,625 EUR

31 data points across 12 retailers

8 retailers€1,755 EUR to €4,625 EUR

B+
Cheapest Retailer
-
€1,755 EUR
B+
Retailer 2
-
€2,042 EUR
View
Final sale: no returns
B
Retailer 3
-
€2,212 EUR
View
B+
Retailer 4
-
€2,227 EUR
View
B
Retailer 5
-
€2,314 EUR
View
Retailer 6
-
€2,359 EUR
View
C
Retailer 7
-
€3,855 EUR
View
Most Expensive
C
NZ Jewellers
f2383d6c-82f1-461d-b5a2-aad7d4d6f7d5 · Nov 5
€4,625 EUR
$5,164 USD
View
7 more retailers have this diamond
Prices start from €1,755 EURSave up to €2,871 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+
1.21ct Heart
€1,755 EUR