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Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5496366542

Certificate GIA 5496366542

Diamond specifications and retailer prices

From ₹3,37,010 INR
As of November 4, 2026
Save ₹3,83,116 INR (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹7,75,586 INR at NZ Jewellers · As of October 20, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5496366542. Listed at 16 retailers as of November 4, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5496366542
Dimensions7.36 × 7.39 × 4.48 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
7.36 mm7.39 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5496366542
Side View
Table 59.0%Crown 34°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 60.7%

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 4
Current: ₹4,93,658 INR|Low: ₹3,37,010 INR|High: ₹7,22,016 INR|Avg: ₹4,95,863 INR|-0.5%
Retailer 1
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
November 6, 2026
Retailer 14₹3,37,010 INR
Retailer 12₹3,61,386 INR
Retailer 4₹3,89,730 INR
Retailer 2₹4,10,705 INR
Retailer 3₹4,10,705 INR
Retailer 7₹4,43,489 INR
Retailer 5₹4,66,259 INR
Retailer 6₹4,73,912 INR
Retailer 1₹4,93,658 INR
Retailer 13₹5,00,555 INR
Retailer 9₹5,02,728 INR
Retailer 10₹5,09,625 INR
Retailer 8₹5,53,086 INR
Retailer 11₹7,20,127 INR

36 data points across 14 retailers

16 retailers₹3,37,010 INR to ₹7,20,127 INR

A
Cheapest Retailer
-
₹3,37,010 INR
A
Retailer 2
-
₹3,61,386 INR
View
B+
Retailer 3
-
₹3,89,730 INR
View
Retailer 4
-
₹4,03,241 INR
View
Price last confirmed 21 days ago
Retailer 5
-
₹4,10,705 INR
View
Price last confirmed 15 days ago
Retailer 6
-
₹4,10,705 INR
View
Price last confirmed 15 days ago
B+
Retailer 7
-
₹4,43,489 INR
View
B+
Retailer 8
-
₹4,66,259 INR
View
Retailer 9
-
₹4,73,912 INR
View
Price last confirmed 16 days ago
B+
Retailer 10
-
₹4,93,658 INR
View
Retailer 11
-
₹5,00,555 INR
View
Price last confirmed 14 days ago
B
Retailer 12
-
₹5,02,728 INR
View
B
Retailer 13
-
₹5,09,625 INR
View
B
Retailer 14
-
₹5,53,086 INR
View
B
Retailer 15
-
₹7,20,127 INR
View
Most Expensive
NZ Jewellers
9eac41b1-20e5-4cf4-ae86-a3e1d9d3065b · Oct 20
₹7,75,586 INR
$8,209 USD
View
Price last confirmed 16 days ago
15 more retailers have this diamond
Prices start from ₹3,37,010 INRSave up to ₹3,83,116 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
₹3,37,010 INR