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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6551278496

Certificate GIA 6551278496

Diamond specifications and retailer prices

From ₹3,59,996 INR
£2,985 GBP
As of November 2, 2026
Save ₹2,87,373 INR (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹6,47,369 INR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551278496. Listed at 6 retailers as of October 30, 2026, with prices from ₹3,59,996 to ₹6,47,369, a ₹2,87,373 spread on the same certified stone. NZ Jewellers lists it at ₹6,47,369. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.5°
Pavilion angle35.96°
OriginNatural
Grading LabGIA
CertificateGIA 6551278496
Dimensions7.63 × 5.69 × 3.93 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud
Top View
7.63 mm5.69 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551278496
Side View
Table 69.0%Crown 50.5°Girdle: ThickPavilion 35.96°Culet: NoneDepth 69.0%

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 2
Current: ₹6,47,369 INR|Low: ₹3,44,289 INR|High: ₹6,54,016 INR|Avg: ₹4,46,602 INR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7₹3,44,289 INR
Retailer 2₹3,59,996 INR
Retailer 4₹3,71,634 INR
Retailer 6₹3,71,634 INR
Retailer 5₹3,85,402 INR
Retailer 8₹4,10,548 INR
Retailer 3₹6,24,759 INR
NZ Jewellers₹6,47,369 INR

33 data points across 8 retailers

6 retailers₹3,59,996 INR to ₹6,47,369 INR

A
Cheapest Retailer
-
₹3,59,996 INR
£2,985 GBP
A
Retailer 2
-
₹3,71,634 INR
$3,914 USD
View
A
Retailer 3
-
₹3,71,634 INR
$3,914 USD
View
A
Retailer 4
-
₹3,85,402 INR
$4,059 USD
View
B+
Retailer 5
-
₹6,24,759 INR
£5,181 GBP
View
Most Expensive
B+
NZ Jewellers
cc57a906-508e-483f-9f0b-71230cce7ed2 · Oct 30
₹6,47,369 INR
$6,818 USD
View
5 more retailers have this diamond
Prices start from ₹3,59,996 INRSave up to ₹2,87,373 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 Radiant
₹3,59,996 INR