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Heart|Natural|GIA

1.51ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 1535629313

Certificate GIA 1535629313

Diamond specifications and retailer prices

From ₹3,26,936 INR
As of November 6, 2026
Save ₹3,52,106 INR (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹7,57,465 INR at NZ Jewellers · As of October 18, 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 1535629313. Listed at 19 retailers as of November 4, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1535629313
Dimensions7.99 × 7.02 × 4.65 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.99 mm7.02 mm1.51 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535629313
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 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: ₹3,47,222 INR|Low: ₹3,25,715 INR|High: ₹7,00,831 INR|Avg: ₹4,39,459 INR|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10₹3,26,936 INR
Retailer 1₹3,47,222 INR
Retailer 7₹3,89,674 INR
Retailer 2₹3,94,558 INR
Retailer 4₹4,15,596 INR
Retailer 5₹4,32,971 INR
Retailer 9₹4,38,606 INR
Retailer 3₹4,41,142 INR
Retailer 11₹4,41,518 INR
Retailer 6₹5,21,538 INR
Retailer 8₹6,79,042 INR

33 data points across 11 retailers

19 retailers₹3,26,936 INR to ₹6,79,042 INR

A
Cheapest Retailer
-
₹3,26,936 INR
A
Retailer 2
-
₹3,47,222 INR
View
A
Retailer 3
-
₹3,89,674 INR
View
A
Retailer 4
-
₹3,94,558 INR
View
Final sale: no returns
B+
Retailer 5
-
₹4,03,011 INR
View
B+
Retailer 6
-
₹4,03,386 INR
View
B+
Retailer 7
-
₹4,15,596 INR
View
B+
Retailer 8
-
₹4,26,585 INR
View
B+
Retailer 9
-
₹4,32,971 INR
View
Retailer 10
-
₹4,34,756 INR
View
Price last confirmed 21 days ago
Retailer 11
-
₹4,34,756 INR
View
Price last confirmed 21 days ago
Retailer 12
-
₹4,34,756 INR
View
Price last confirmed 19 days ago
B+
Retailer 13
-
₹4,38,606 INR
View
Retailer 14
-
₹4,41,142 INR
View
Price last confirmed 28 days ago
B+
Retailer 15
-
₹4,41,518 INR
View
Retailer 16
-
₹5,01,721 INR
View
Price last confirmed 18 days ago
B+
Retailer 17
-
₹5,21,538 INR
View
B
Retailer 18
-
₹6,79,042 INR
View
Most Expensive
NZ Jewellers
a8878e84-ef46-4992-b67a-8eceeb60932b · Oct 18
₹7,57,465 INR
$8,065 USD
View
Price last confirmed 19 days ago
18 more retailers have this diamond
Prices start from ₹3,26,936 INRSave up to ₹3,52,106 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