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Radiant|Natural|GIA

1.51ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 1509049420

Certificate GIA 1509049420

Diamond specifications and retailer prices

From ₹2,24,720 INR
£1,864 GBP
As of November 1, 2026
Save ₹2,74,432 INR (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: ₹4,99,152 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 J 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 1509049420. Listed at 7 retailers as of October 30, 2026, with prices from ₹2,24,720 to ₹4,99,152, a ₹2,74,432 spread on the same certified stone. NZ Jewellers lists it at ₹4,99,152. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.94°
Pavilion angle30.54°
OriginNatural
Grading LabGIA
CertificateGIA 1509049420
Dimensions7.29 × 5.66 × 3.86 mm
L/W Ratio1.29
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Needle
Top View
7.29 mm5.66 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509049420
Side View
Table 68.0%Crown 46.94°Girdle: ThickPavilion 30.54°Culet: NoneDepth 68.2%

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 1
Current: ₹4,99,152 INR|Low: ₹2,17,754 INR|High: ₹5,14,154 INR|Avg: ₹3,13,043 INR|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4₹2,24,720 INR
Retailer 2₹2,36,046 INR
Retailer 6₹2,38,704 INR
Retailer 5₹2,49,719 INR
Retailer 7₹2,52,472 INR
Retailer 3₹4,18,315 INR
NZ Jewellers₹4,99,152 INR

41 data points across 7 retailers

7 retailers₹2,24,720 INR to ₹4,99,152 INR

A
Cheapest Retailer
-
₹2,24,720 INR
£1,864 GBP
A
Retailer 2
-
₹2,36,046 INR
£1,957 GBP
View
A
Retailer 3
-
₹2,38,704 INR
$2,514 USD
View
A
Retailer 4
-
₹2,49,719 INR
$2,630 USD
View
A
Retailer 5
-
₹2,52,472 INR
$2,659 USD
View
B+
Retailer 6
-
₹4,18,315 INR
£3,469 GBP
View
Most Expensive
B
NZ Jewellers
2e6e491d-5770-4b9f-a3a8-e7cd0dc121c4 · Oct 30
₹4,99,152 INR
$5,257 USD
View
6 more retailers have this diamond
Prices start from ₹2,24,720 INRSave up to ₹2,74,432 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
₹2,24,720 INR