Heart|Natural|GIA

1.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6511530906

Certificate GIA 6511530906

Diamond specifications and retailer prices

From ₹5,05,773 INR
£4,194 GBP
As of October 31, 2026
Save ₹4,33,852 INR (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: ₹9,39,625 INR at NZ Jewellers · As of October 30, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6511530906. Listed at 9 retailers as of October 30, 2026, with prices from ₹5,05,773 to ₹9,39,625, a ₹4,33,852 spread on the same certified stone. NZ Jewellers lists it at ₹9,39,625. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.52°
Pavilion angle41.99°
OriginNatural
Grading LabGIA
CertificateGIA 6511530906
Dimensions6.98 × 8.02 × 4.83 mm
L/W Ratio1.15
Top View
6.98 mm8.02 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6511530906
Side View
Table 61.0%Crown 36.52°Girdle: Slightly Thick to ThickPavilion 41.99°Culet: NDepth 60.2%

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: Oct 31
Current: ₹9,39,625 INR|Low: ₹5,04,201 INR|High: ₹9,60,704 INR|Avg: ₹6,44,528 INR|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2₹5,05,773 INR
Retailer 3₹5,27,248 INR
Retailer 8₹5,47,387 INR
Retailer 4₹5,61,819 INR
Retailer 5₹5,61,819 INR
Retailer 9₹5,67,853 INR
Retailer 6₹5,71,884 INR
Retailer 7₹8,32,167 INR
NZ Jewellers₹9,39,625 INR

45 data points across 9 retailers

9 retailers₹5,05,773 INR to ₹9,39,625 INR

A
Cheapest Retailer
-
₹5,05,773 INR
£4,194 GBP
A
Retailer 2
-
₹5,27,248 INR
£4,372 GBP
View
B+
Retailer 3
-
₹5,47,387 INR
$5,765 USD
View
A
Retailer 4
-
₹5,61,819 INR
$5,917 USD
View
A
Retailer 5
-
₹5,61,819 INR
$5,917 USD
View
Retailer 6
-
₹5,67,853 INR
A$9,201 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
₹5,71,884 INR
$6,023 USD
View
B+
Retailer 8
-
₹8,32,167 INR
£6,901 GBP
View
Most Expensive
B
NZ Jewellers
8134b5e0-c12e-4565-9ea7-62757ff29826 · Oct 30
₹9,39,625 INR
$9,896 USD
View
8 more retailers have this diamond
Prices start from ₹5,05,773 INRSave up to ₹4,33,852 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
₹5,05,773 INR