Heart|Natural|IGI

1.51ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 801638972

Shape and cutting style on the report: Heart brilliant

Certificate IGI 801638972

Diamond specifications and retailer prices

From €2,396 EUR
As of November 5, 2026
Save €3,197 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,593 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 801638972. Listed at 14 retailers as of November 5, 2026, with prices from €2,396 to €5,593, a €3,197 spread on the same certified stone. NZ Jewellers lists it at €5,593. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 801638972
Dimensions6.37 × 8.03 × 4.75 mm
L/W Ratio1.26
Girdle conditionFaceted
Top View
6.37 mm8.03 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638972
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 42°Culet: NoneDepth 59.2%

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 5
Current: €5,593 EUR|Low: €2,396 EUR|High: €5,593 EUR|Avg: €3,067 EUR|+15.8%
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 7€2,396 EUR
Retailer 12€2,396 EUR
Retailer 13€2,468 EUR
Retailer 6€2,554 EUR
Retailer 8€2,560 EUR
Retailer 11€2,674 EUR
Retailer 5€2,773 EUR
Retailer 3€2,777 EUR
Retailer 9€2,803 EUR
Retailer 2€2,882 EUR
Retailer 4€3,086 EUR
Retailer 10€3,265 EUR
Retailer 14€4,460 EUR
NZ Jewellers€5,593 EUR

16 data points across 14 retailers

14 retailers€2,396 EUR to €5,593 EUR

A
Cheapest Retailer
-
€2,396 EUR
A
Retailer 2
-
€2,396 EUR
View
A
Retailer 3
-
€2,468 EUR
View
Final sale: no returns
B+
Retailer 4
-
€2,554 EUR
View
A
Retailer 5
-
€2,560 EUR
View
B+
Retailer 6
-
€2,674 EUR
View
Retailer 7
-
€2,773 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,777 EUR
View
B+
Retailer 9
-
€2,803 EUR
View
B+
Retailer 10
-
€2,882 EUR
View
B+
Retailer 11
-
€3,086 EUR
View
B+
Retailer 12
-
€3,265 EUR
View
B
Retailer 13
-
€4,460 EUR
View
Most Expensive
C
NZ Jewellers
dbf0c786-3f3a-41e0-88f3-4c80d0f0fa6c · Nov 5
€5,593 EUR
$6,244 USD
View
13 more retailers have this diamond
Prices start from €2,396 EURSave up to €3,197 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
1.51ct Heart
€2,396 EUR