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Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6491354443

Certificate GIA 6491354443

Diamond specifications and retailer prices

From ₹2,15,225 INR
As of November 6, 2026
Save ₹2,67,567 INR (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹5,04,334 INR at NZ Jewellers · As of September 19, 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 6491354443. Listed at 16 retailers as of November 4, 2026, with a 124% 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6491354443
Dimensions7.37 × 7.32 × 4.50 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.37 mm7.32 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491354443
Side View
Table 60.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: ₹3,00,068 INR|Low: ₹2,07,950 INR|High: ₹4,89,879 INR|Avg: ₹3,03,078 INR
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
November 6, 2026
Retailer 11₹2,15,225 INR
Retailer 2₹2,59,253 INR
Retailer 3₹2,59,348 INR
Retailer 10₹2,61,237 INR
Retailer 13₹2,66,906 INR
Retailer 12₹2,84,574 INR
Retailer 4₹2,89,487 INR
Retailer 6₹2,97,329 INR
Retailer 1₹3,00,068 INR
Retailer 5₹3,02,997 INR
Retailer 7₹3,36,254 INR
Retailer 8₹3,53,355 INR
Retailer 9₹4,82,793 INR

43 data points across 13 retailers

16 retailers₹2,15,225 INR to ₹4,82,793 INR

A
Cheapest Retailer
-
₹2,15,225 INR
A
Retailer 2
-
₹2,59,253 INR
View
A
Retailer 3
-
₹2,59,348 INR
View
A
Retailer 4
-
₹2,61,237 INR
View
A
Retailer 5
-
₹2,66,906 INR
View
A
Retailer 6
-
₹2,84,574 INR
View
Retailer 7
-
₹2,89,487 INR
View
Price last confirmed 49 days ago
Retailer 8
-
₹2,89,487 INR
View
Price last confirmed 25 days ago
A
Retailer 9
-
₹2,97,329 INR
View
A
Retailer 10
-
₹3,00,068 INR
View
A
Retailer 11
-
₹3,02,997 INR
View
Retailer 12
-
₹3,33,987 INR
View
Price last confirmed 48 days ago
A
Retailer 13
-
₹3,36,254 INR
View
B+
Retailer 14
-
₹3,53,355 INR
View
B
Retailer 15
-
₹4,82,793 INR
View
Most Expensive
NZ Jewellers
665bc02b-f100-4dc7-8719-186e063fbfef · Sep 19
₹5,04,334 INR
$5,338 USD
View
Price last confirmed 48 days ago
15 more retailers have this diamond
Prices start from ₹2,15,225 INRSave up to ₹2,67,567 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
₹2,15,225 INR