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Radiant|Natural|IGI

1.51ct K SI1 Radiant Natural Diamond

VG • K/SI1 • IGI 805628261

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 805628261

Diamond specifications and retailer prices

From ₹2,54,148 INR
As of November 6, 2026
Save ₹2,74,810 INR (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹5,28,957 INR at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 805628261. Listed at 12 retailers as of November 5, 2026, with prices from ₹2,54,148 to ₹5,28,957, a ₹2,74,810 spread on the same certified stone. NZ Jewellers lists it at ₹5,28,957. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle30.1°
OriginNatural
Grading LabIGI
CertificateIGI 805628261
Dimensions7.88 × 5.52 × 3.83 mm
L/W Ratio1.43
Top View
7.88 mm5.52 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 805628261
Side View
Table 69.0%Crown 37.2°Girdle: STK-THKPavilion 30.1°CuletDepth 69.4%

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: Nov 6
Current: ₹5,28,957 INR|Low: ₹2,54,148 INR|High: ₹5,28,957 INR|Avg: ₹3,49,334 INR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3₹2,54,148 INR
Retailer 2₹2,92,091 INR
Retailer 4₹2,94,533 INR
Retailer 8₹3,03,643 INR
Retailer 10₹3,15,289 INR
Retailer 6₹3,50,322 INR
Retailer 5₹3,69,951 INR
Retailer 7₹3,70,608 INR
Retailer 9₹5,06,417 INR
NZ Jewellers₹5,28,957 INR

40 data points across 10 retailers

12 retailers₹2,54,148 INR to ₹5,28,957 INR

A
Cheapest Retailer
-
₹2,54,148 INR
B+
Retailer 2
-
₹2,92,091 INR
View
B+
Retailer 3
-
₹2,94,533 INR
View
B+
Retailer 4
-
₹3,02,892 INR
View
B+
Retailer 5
-
₹3,03,643 INR
View
B+
Retailer 6
-
₹3,15,289 INR
View
B+
Retailer 7
-
₹3,17,074 INR
View
B+
Retailer 8
-
₹3,50,322 INR
View
B+
Retailer 9
-
₹3,69,951 INR
View
B+
Retailer 10
-
₹3,70,608 INR
View
B
Retailer 11
-
₹5,06,417 INR
View
Most Expensive
B
NZ Jewellers
d03f0501-cf4a-4061-9fb1-4c34e4e16201 · Nov 5
₹5,28,957 INR
$5,632 USD
View
11 more retailers have this diamond
Prices start from ₹2,54,148 INRSave up to ₹2,74,810 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
₹2,54,148 INR