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Heart|Natural|IGI

1.51ct E SI1 Heart Natural Diamond

VG • E/SI1 • IGI 802615393

Shape and cutting style on the report: Heart brilliant

Certificate IGI 802615393

Diamond specifications and retailer prices

From €4,135 EUR
₹439,956 INR
As of October 31, 2026
Save €5,351 EUR (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €9,486 EUR at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 802615393. Listed at 15 retailers as of October 30, 2026, with prices from €4,135 to €9,486, a €5,351 spread on the same certified stone. NZ Jewellers lists it at €9,486. 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
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.1°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 802615393
Dimensions7.22 × 8.00 × 4.51 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
7.22 mm8.00 mm1.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 802615393
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 56.4%

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: Oct 31
Current: €9,486 EUR|Low: €4,124 EUR|High: €9,486 EUR|Avg: €6,054 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
Retailer 15
October 31, 2026
Retailer 8€4,135 EUR
Retailer 6€4,946 EUR
Retailer 4€4,965 EUR
Retailer 5€5,235 EUR
Retailer 7€5,277 EUR
Retailer 12€5,323 EUR
Retailer 11€5,550 EUR
Retailer 13€5,672 EUR
Retailer 14€5,672 EUR
Retailer 15€5,672 EUR
Retailer 9€6,197 EUR
Retailer 10€6,544 EUR
Retailer 2€6,969 EUR
Retailer 3€8,401 EUR
NZ Jewellers€9,486 EUR

23 data points across 15 retailers

15 retailers€4,135 EUR to €9,486 EUR

A
Cheapest Retailer
-
€4,135 EUR
₹439,956 INR
B+
Retailer 2
-
€4,946 EUR
$5,526 USD
View
B+
Retailer 3
-
€4,965 EUR
$5,547 USD
View
B+
Retailer 4
-
€5,235 EUR
$5,849 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,277 EUR
$5,895 USD
View
B+
Retailer 6
-
€5,323 EUR
£4,682 GBP
View
B+
Retailer 7
-
€5,550 EUR
£4,882 GBP
View
B+
Retailer 8
-
€5,672 EUR
$6,337 USD
View
B+
Retailer 9
-
€5,672 EUR
$6,337 USD
View
B+
Retailer 10
-
€5,813 EUR
$6,494 USD
View
B+
Retailer 11
-
€6,197 EUR
View
B
Retailer 12
-
€6,544 EUR
$7,311 USD
View
B
Retailer 13
-
€6,969 EUR
ZAR 125,774 ZAR
View
B
Retailer 14
-
€8,401 EUR
£7,390 GBP
View
Most Expensive
B
NZ Jewellers
cfe0ad0c-2fb3-4676-af13-72a7da7112f9 · Oct 30
€9,486 EUR
$10,598 USD
View
14 more retailers have this diamond
Prices start from €4,135 EURSave up to €5,351 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
€4,135 EUR