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Heart|Natural|IGI

1.51ct L SI1 Heart Natural Diamond

VG • L/SI1 • IGI 646466581

Shape and cutting style on the report: Heart brilliant

Certificate IGI 646466581

Diamond specifications and retailer prices

From ₹1,83,895 INR
As of November 6, 2026
Save ₹2,66,263 INR (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹4,50,159 INR 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 646466581. Listed at 10 retailers as of November 5, 2026, with prices from ₹1,83,895 to ₹4,50,159, a ₹2,66,263 spread on the same certified stone. NZ Jewellers lists it at ₹4,50,159. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 646466581
Dimensions6.61 × 7.59 × 4.85 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeNone
Top View
6.61 mm7.59 mm1.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 646466581
Side View
Table 60.0%Crown 37.6°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹4,50,159 INR|Low: ₹1,83,895 INR|High: ₹4,50,159 INR|Avg: ₹2,49,773 INR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2₹1,83,895 INR
Retailer 9₹2,11,226 INR
Retailer 3₹2,11,696 INR
Retailer 6₹2,15,359 INR
Retailer 8₹2,15,546 INR
Retailer 7₹2,25,314 INR
Retailer 4₹2,48,512 INR
Retailer 5₹2,62,788 INR
NZ Jewellers₹4,50,159 INR

46 data points across 9 retailers

10 retailers₹1,83,895 INR to ₹4,50,159 INR

A
Cheapest Retailer
-
₹1,83,895 INR
B+
Retailer 2
-
₹2,11,226 INR
View
B+
Retailer 3
-
₹2,11,696 INR
View
B+
Retailer 4
-
₹2,15,359 INR
View
B+
Retailer 5
-
₹2,15,546 INR
View
B+
Retailer 6
-
₹2,25,314 INR
View
B+
Retailer 7
-
₹2,28,413 INR
View
B
Retailer 8
-
₹2,48,512 INR
View
B
Retailer 9
-
₹2,62,788 INR
View
Most Expensive
C
NZ Jewellers
f696f278-9fc6-45d8-a96f-69b938fdd517 · Nov 5
₹4,50,159 INR
$4,793 USD
View
9 more retailers have this diamond
Prices start from ₹1,83,895 INRSave up to ₹2,66,263 INR

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
₹1,83,895 INR