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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 $4,636 USD
₹441,488 INR
As of October 30, 2026
Save $5,962 USD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,598 USD at NZ Jewellers · As of October 27, 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 27, 2026, with prices from $4,636 to $10,598, a $5,962 spread on the same certified stone. NZ Jewellers lists it at $10,598. 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
Color
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 30
Current: $10,598 USD|Low: $4,608 USD|High: $10,598 USD|Avg: $6,765 USD
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 30, 2026
Retailer 2$4,636 USD
Retailer 6$5,526 USD
Retailer 4$5,547 USD
Retailer 5$5,849 USD
Retailer 7$5,895 USD
Retailer 8$5,947 USD
Retailer 14$6,172 USD
Retailer 9$6,337 USD
Retailer 10$6,337 USD
Retailer 11$6,337 USD
Retailer 13$6,913 USD
Retailer 15$7,311 USD
Retailer 3$7,716 USD
Retailer 12$9,385 USD
NZ Jewellers$10,598 USD

23 data points across 15 retailers

15 retailers$4,636 USD to $10,598 USD

A
Cheapest Retailer
-
$4,636 USD
₹441,488 INR
B+
Retailer 2
-
$5,526 USD
View
B+
Retailer 3
-
$5,547 USD
View
B+
Retailer 4
-
$5,849 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,895 USD
View
B+
Retailer 6
-
$5,947 USD
£4,682 GBP
View
B+
Retailer 7
-
$6,172 USD
£4,860 GBP
View
B+
Retailer 8
-
$6,337 USD
View
B+
Retailer 9
-
$6,337 USD
View
B+
Retailer 10
-
$6,494 USD
View
B+
Retailer 11
-
$6,913 USD
€6,584 EUR
View
B
Retailer 12
-
$7,311 USD
View
B
Retailer 13
-
$7,716 USD
ZAR 124,656 ZAR
View
B
Retailer 14
-
$9,385 USD
£7,390 GBP
View
Most Expensive
B
NZ Jewellers
7781ce45-ebc0-4d2f-9a8c-d619ba140b49 · Oct 27
$10,598 USD
View
14 more retailers have this diamond
Prices start from $4,636 USDSave up to $5,962 USD

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
$4,636 USD