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1.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566495423

Certificate GIA 2566495423

Diamond specifications and retailer prices

From ₹4,36,130 INR
HK$35,900 HKD
As of November 1, 2026
Save ₹5,36,887 INR (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹9,73,017 INR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566495423. Listed at 18 retailers as of October 30, 2026, with prices from ₹4,36,130 to ₹9,73,017, a ₹5,36,887 spread on the same certified stone. NZ Jewellers lists it at ₹9,73,017. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566495423
Dimensions7.33 × 7.37 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint, Indented Natural
Top View
7.33 mm7.37 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566495423
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

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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 1
Current: ₹9,73,017 INR|Low: ₹4,32,486 INR|High: ₹9,73,017 INR|Avg: ₹6,09,218 INR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 17₹4,36,130 INR
Retailer 13₹4,62,572 INR
Retailer 9₹4,97,533 INR
Retailer 8₹5,10,046 INR
Retailer 14₹5,10,141 INR
Retailer 11₹5,54,397 INR
Retailer 5₹5,81,703 INR
Retailer 6₹5,81,703 INR
Retailer 10₹5,81,703 INR
Retailer 3₹5,90,815 INR
Retailer 7₹5,96,617 INR
Retailer 2₹5,98,305 INR
Retailer 18₹6,08,563 INR
Retailer 12₹6,32,912 INR
Retailer 4₹6,71,204 INR
Retailer 16₹7,14,750 INR
Retailer 15₹8,57,009 INR
NZ Jewellers₹9,73,017 INR

11 data points across 18 retailers

18 retailers₹4,36,130 INR to ₹9,73,017 INR

A
Cheapest Retailer
-
₹4,36,130 INR
HK$35,900 HKD
A
Retailer 2
-
₹4,62,572 INR
View
A
Retailer 3
-
₹4,97,533 INR
SGD 7,084 SGD
View
A
Retailer 4
-
₹5,10,046 INR
$5,374 USD
View
A
Retailer 5
-
₹5,10,141 INR
$5,375 USD
View
B+
Retailer 6
-
₹5,54,397 INR
£4,599 GBP
View
B+
Retailer 7
-
₹5,81,703 INR
$6,129 USD
View
B+
Retailer 8
-
₹5,81,703 INR
$6,129 USD
View
B+
Retailer 9
-
₹5,81,703 INR
$6,129 USD
View
B+
Retailer 10
-
₹5,90,815 INR
$6,225 USD
View
B+
Retailer 11
-
₹5,96,617 INR
$6,286 USD
View
B+
Retailer 12
-
₹5,98,305 INR
£4,964 GBP
View
B+
Retailer 13
-
₹6,08,563 INR
$6,412 USD
View
B+
Retailer 14
-
₹6,32,912 INR
€6,351 EUR
View
B+
Retailer 15
-
₹6,71,204 INR
$7,072 USD
View
B
Retailer 16
-
₹7,14,750 INR
ZAR 121,661 ZAR
View
B
Retailer 17
-
₹8,57,009 INR
£7,110 GBP
View
Most Expensive
B
NZ Jewellers
ff341407-2ec3-4de4-9297-4dde2b7d59ee · Oct 30
₹9,73,017 INR
$10,252 USD
View
17 more retailers have this diamond
Prices start from ₹4,36,130 INRSave up to ₹5,36,887 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 Round
₹4,36,130 INR