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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 $8,196 NZD
₹439,956 INR
As of October 31, 2026
Save $10,608 NZD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,804 NZD 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 $8,196 to $18,804, a $10,608 spread on the same certified stone. NZ Jewellers lists it at $18,804. 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: $18,804 NZD|Low: $8,176 NZD|High: $18,804 NZD|Avg: $11,985 NZD
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$8,196 NZD
Retailer 6$9,805 NZD
Retailer 4$9,842 NZD
Retailer 5$10,378 NZD
Retailer 7$10,459 NZD
Retailer 12$10,551 NZD
Retailer 11$11,001 NZD
Retailer 13$11,244 NZD
Retailer 14$11,244 NZD
Retailer 15$11,244 NZD
Retailer 9$12,285 NZD
Retailer 10$12,972 NZD
Retailer 2$13,820 NZD
Retailer 3$16,652 NZD
NZ Jewellers$18,804 NZD

24 data points across 15 retailers

15 retailers$8,196 NZD to $18,804 NZD

A
Cheapest Retailer
-
$8,196 NZD
₹439,956 INR
B+
Retailer 2
-
$9,805 NZD
$5,526 USD
View
B+
Retailer 3
-
$9,842 NZD
$5,547 USD
View
B+
Retailer 4
-
$10,378 NZD
$5,849 USD
View
Final sale: no returns
B+
Retailer 5
-
$10,459 NZD
$5,895 USD
View
B+
Retailer 6
-
$10,551 NZD
£4,682 GBP
View
B+
Retailer 7
-
$11,001 NZD
£4,882 GBP
View
B+
Retailer 8
-
$11,244 NZD
$6,337 USD
View
B+
Retailer 9
-
$11,244 NZD
$6,337 USD
View
B+
Retailer 10
-
$11,523 NZD
$6,494 USD
View
B+
Retailer 11
-
$12,285 NZD
€6,594 EUR
View
B
Retailer 12
-
$12,972 NZD
$7,311 USD
View
B
Retailer 13
-
$13,820 NZD
ZAR 125,832 ZAR
View
B
Retailer 14
-
$16,652 NZD
£7,390 GBP
View
Most Expensive
B
NZ Jewellers
cfe0ad0c-2fb3-4676-af13-72a7da7112f9 · Oct 30
$18,804 NZD
$10,598 USD
View
14 more retailers have this diamond
Prices start from $8,196 NZDSave up to $10,608 NZD

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
$8,196 NZD