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Heart|Natural|GIA

1.51ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6555506948

Certificate GIA 6555506948

Diamond specifications and retailer prices

From ₹3,26,936 INR
As of November 6, 2026
Save ₹4,38,137 INR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹7,65,072 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555506948. Listed at 18 retailers as of November 5, 2026, with prices from ₹3,26,936 to ₹7,65,072, a ₹4,38,137 spread on the same certified stone. NZ Jewellers lists it at ₹7,65,072. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555506948
Dimensions7.00 × 7.88 × 4.58 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
7.00 mm7.88 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555506948
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NDepth 58.2%

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: ₹7,65,072 INR|Low: ₹3,22,146 INR|High: ₹7,80,945 INR|Avg: ₹4,62,707 INR|-2.0%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 16₹3,26,936 INR
Retailer 4₹3,28,344 INR
Retailer 14₹3,49,101 INR
Retailer 6₹3,66,664 INR
Retailer 8₹3,67,133 INR
Retailer 3₹3,67,227 INR
Retailer 2₹3,71,548 INR
Retailer 9₹3,78,028 INR
Retailer 15₹4,06,674 INR
Retailer 11₹4,08,082 INR
Retailer 10₹4,14,375 INR
Retailer 5₹4,21,043 INR
Retailer 12₹5,35,720 INR
Retailer 17₹5,56,946 INR
Retailer 7₹6,81,390 INR
Retailer 13₹6,97,450 INR
NZ Jewellers₹7,65,072 INR

21 data points across 17 retailers

18 retailers₹3,26,936 INR to ₹7,65,072 INR

A
Cheapest Retailer
-
₹3,26,936 INR
A
Retailer 2
-
₹3,28,344 INR
View
A
Retailer 3
-
₹3,49,101 INR
View
A
Retailer 4
-
₹3,66,664 INR
View
A
Retailer 5
-
₹3,67,133 INR
View
A
Retailer 6
-
₹3,67,227 INR
View
Final sale: no returns
A
Retailer 7
-
₹3,71,548 INR
View
A
Retailer 8
-
₹3,78,028 INR
View
A
Retailer 9
-
₹4,06,674 INR
View
A
Retailer 10
-
₹4,08,082 INR
View
A
Retailer 11
-
₹4,14,375 INR
View
A
Retailer 12
-
₹4,21,043 INR
View
Retailer 13
-
₹4,73,263 INR
View
Price last confirmed 29 days ago
B+
Retailer 14
-
₹5,35,720 INR
View
B
Retailer 15
-
₹5,56,946 INR
View
B
Retailer 16
-
₹6,81,390 INR
View
B
Retailer 17
-
₹6,97,450 INR
View
Most Expensive
B
NZ Jewellers
28ec3ddb-0863-4b50-998a-7b353d1e8e5b · Nov 5
₹7,65,072 INR
$8,146 USD
View
17 more retailers have this diamond
Prices start from ₹3,26,936 INRSave up to ₹4,38,137 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
₹3,26,936 INR