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Radiant|Natural|GIA

1.51ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 1559156534

Certificate GIA 1559156534

Diamond specifications and retailer prices

From ₹5,29,701 INR
$5,560 USD
As of October 29, 2026
Save ₹4,20,331 INR (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: ₹9,50,032 INR at NZ Jewellers · As of October 27, 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 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 1559156534. Listed at 9 retailers as of October 27, 2026, with prices from ₹5,29,701 to ₹9,50,032, a ₹4,20,331 spread on the same certified stone. NZ Jewellers lists it at ₹9,50,032. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.56°
Pavilion angle35.61°
OriginNatural
Grading LabGIA
CertificateGIA 1559156534
Dimensions7.23 × 5.70 × 4.02 mm
L/W Ratio1.27
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle, Indented Natural
Top View
7.23 mm5.70 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559156534
Side View
Table 74.0%Crown 54.56°Girdle: MED-VTKPavilion 35.61°Culet: NoneDepth 70.5%

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: Oct 29
Current: ₹9,50,032 INR|Low: ₹5,09,790 INR|High: ₹9,59,941 INR|Avg: ₹6,29,507 INR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11₹5,09,790 INR
Retailer 8₹5,29,701 INR
Retailer 2₹5,34,563 INR
Retailer 10₹5,48,755 INR
Retailer 5₹5,68,000 INR
Retailer 6₹5,68,000 INR
Retailer 7₹5,68,948 INR
Retailer 9₹5,78,003 INR
Retailer 3₹6,04,452 INR
Retailer 4₹8,41,385 INR
NZ Jewellers₹9,50,032 INR

37 data points across 11 retailers

9 retailers₹5,29,701 INR to ₹9,50,032 INR

A
Cheapest Retailer
-
₹5,29,701 INR
$5,560 USD
A
Retailer 2
-
₹5,34,563 INR
£4,418 GBP
View
A
Retailer 3
-
₹5,48,755 INR
$5,760 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
₹5,68,000 INR
$5,962 USD
View
A
Retailer 5
-
₹5,68,000 INR
$5,962 USD
View
A
Retailer 6
-
₹5,68,948 INR
A$9,188 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
₹5,78,003 INR
$6,067 USD
View
B+
Retailer 8
-
₹8,41,385 INR
£6,954 GBP
View
Most Expensive
B
NZ Jewellers
4ae519c7-44c9-4346-8684-d693f49de9c5 · Oct 27
₹9,50,032 INR
$9,972 USD
View
8 more retailers have this diamond
Prices start from ₹5,29,701 INRSave up to ₹4,20,331 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
₹5,29,701 INR