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Heart|Natural|IGI

1.51ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 790611321

Shape and cutting style on the report: Heart brilliant

Certificate IGI 790611321

Diamond specifications and retailer prices

From ₹2,27,568 INR
As of November 6, 2026
Save ₹2,99,229 INR (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹5,26,797 INR at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 790611321. Listed at 16 retailers as of November 3, 2026, with prices from ₹2,27,568 to ₹5,26,797, a ₹2,99,229 spread on the same certified stone. NZ Jewellers lists it at ₹5,26,797. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle40.6°
Pavilion angle36.7°
OriginNatural
Grading LabIGI
CertificateIGI 790611321
Dimensions8.01 × 7.17 × 4.45 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
8.01 mm7.17 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 790611321
Side View
Table 60.0%Crown 40.6°Girdle: THN-STKPavilion 36.7°Culet: NoneDepth 55.6%

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 6
Current: ₹5,26,797 INR|Low: ₹2,27,568 INR|High: ₹5,34,593 INR|Avg: ₹3,41,998 INR|-1.5%
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 6, 2026
Retailer 8₹2,27,568 INR
Retailer 11₹2,61,379 INR
Retailer 2₹2,76,031 INR
Retailer 5₹2,79,882 INR
Retailer 12₹2,86,644 INR
Retailer 14₹2,91,622 INR
Retailer 9₹2,92,655 INR
Retailer 3₹3,02,328 INR
Retailer 6₹3,03,643 INR
Retailer 4₹3,14,162 INR
Retailer 10₹3,68,542 INR
Retailer 7₹4,43,584 INR
Retailer 13₹5,03,505 INR
NZ Jewellers₹5,26,797 INR

21 data points across 14 retailers

16 retailers₹2,27,568 INR to ₹5,26,797 INR

A
Cheapest Retailer
-
₹2,27,568 INR
A
Retailer 2
-
₹2,61,379 INR
View
B+
Retailer 3
-
₹2,76,031 INR
View
B+
Retailer 4
-
₹2,79,882 INR
View
A
Retailer 5
-
₹2,86,644 INR
View
B+
Retailer 6
-
₹2,91,622 INR
View
A
Retailer 7
-
₹2,92,655 INR
View
B+
Retailer 8
-
₹3,00,732 INR
View
Final sale: no returns
A
Retailer 9
-
₹3,02,328 INR
View
Retailer 10
-
₹3,03,643 INR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
₹3,08,152 INR
View
B+
Retailer 12
-
₹3,14,162 INR
View
B+
Retailer 13
-
₹3,68,542 INR
View
B+
Retailer 14
-
₹4,43,584 INR
View
B
Retailer 15
-
₹5,03,505 INR
View
Most Expensive
B
NZ Jewellers
bd3e929c-69a8-4605-b02c-91a5173c0542 · Nov 3
₹5,26,797 INR
$5,609 USD
View
15 more retailers have this diamond
Prices start from ₹2,27,568 INRSave up to ₹2,99,229 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
₹2,27,568 INR