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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6551450041

Certificate GIA 6551450041

Diamond specifications and retailer prices

From ₹4,25,739 INR
As of November 7, 2026
Save ₹3,65,912 INR (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: ₹7,91,652 INR at NZ Jewellers · As of November 3, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551450041. Listed at 5 retailers as of November 3, 2026, with prices from ₹4,25,739 to ₹7,91,652, a ₹3,65,912 spread on the same certified stone. NZ Jewellers lists it at ₹7,91,652. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.99°
Pavilion angle37.17°
OriginNatural
Grading LabGIA
CertificateGIA 6551450041
Dimensions7.69 × 5.69 × 3.95 mm
L/W Ratio1.35
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.69 mm5.69 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551450041
Side View
Table 72.0%Crown 49.99°GirdlePavilion 37.17°Culet: NoneDepth 69.5%

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: Nov 7
Current: ₹7,91,652 INR|Low: ₹4,24,331 INR|High: ₹8,18,513 INR|Avg: ₹5,55,850 INR|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6₹4,24,331 INR
Retailer 2₹4,25,739 INR
Retailer 3₹4,51,380 INR
Retailer 5₹4,54,385 INR
Retailer 4₹7,23,654 INR
NZ Jewellers₹7,91,652 INR

30 data points across 6 retailers

5 retailers₹4,25,739 INR to ₹7,91,652 INR

A
Cheapest Retailer
-
₹4,25,739 INR
A
Retailer 2
-
₹4,51,380 INR
View
A
Retailer 3
-
₹4,54,385 INR
View
B+
Retailer 4
-
₹7,23,654 INR
View
Most Expensive
B
NZ Jewellers
80870a86-fca2-418a-b14a-2f2733de10a6 · Nov 3
₹7,91,652 INR
$8,429 USD
View
4 more retailers have this diamond
Prices start from ₹4,25,739 INRSave up to ₹3,65,912 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
₹4,25,739 INR