Heart|Natural|IGI

1.51ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 440097543

Shape and cutting style on the report: Heart brilliant

Certificate IGI 440097543

Diamond specifications and retailer prices

From €3,044 EUR
As of November 5, 2026
Save €2,983 EUR (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €6,028 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 440097543. Listed at 14 retailers as of November 5, 2026, with prices from €3,044 to €6,028, a €2,983 spread on the same certified stone. NZ Jewellers lists it at €6,028. 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

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 440097543
Dimensions7.04 × 8.01 × 4.73 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
7.04 mm8.01 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 440097543
Side View
Table 58.0%Crown 35.4°Girdle: THN-THKPavilion 40.3°Culet: NoneDepth 59.1%

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: €6,028 EUR|Low: €2,927 EUR|High: €6,028 EUR|Avg: €3,890 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 3€3,129 EUR
Retailer 12€3,193 EUR
Retailer 4€3,309 EUR
Retailer 5€3,310 EUR
Retailer 9€3,460 EUR
Retailer 11€3,460 EUR
Retailer 2€3,569 EUR
Retailer 10€3,592 EUR
Retailer 8€3,992 EUR
Retailer 6€4,223 EUR
Retailer 7€5,786 EUR
NZ Jewellers€6,028 EUR

34 data points across 12 retailers

14 retailers€3,044 EUR to €6,028 EUR

B+
Cheapest Retailer
-
€3,044 EUR
B+
Retailer 2
-
€3,129 EUR
View
B+
Retailer 3
-
€3,193 EUR
View
Final sale: no returns
B+
Retailer 4
-
€3,309 EUR
View
B+
Retailer 5
-
€3,310 EUR
View
Retailer 6
-
€3,460 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€3,460 EUR
View
B+
Retailer 8
-
€3,569 EUR
View
B
Retailer 9
-
€3,591 EUR
View
B
Retailer 10
-
€3,592 EUR
View
B
Retailer 11
-
€3,992 EUR
View
B
Retailer 12
-
€4,223 EUR
View
C
Retailer 13
-
€5,786 EUR
View
Most Expensive
C
NZ Jewellers
c893162e-1be4-4059-bbee-f28f78242cca · Nov 5
€6,028 EUR
$6,730 USD
View
13 more retailers have this diamond
Prices start from €3,044 EURSave up to €2,983 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+
1.51ct Heart
€3,044 EUR