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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6425906823

Certificate GIA 6425906823

Diamond specifications and retailer prices

From ₹4,55,568 INR
HK$37,500 HKD
As of November 1, 2026
Save ₹5,79,615 INR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹10,35,183 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6425906823. Listed at 19 retailers as of October 30, 2026, with prices from ₹4,55,568 to ₹10,35,183, a ₹5,79,615 spread on the same certified stone. NZ Jewellers lists it at ₹10,35,183. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425906823
Dimensions7.31 × 7.27 × 4.55 mm
L/W Ratio1.01
Top View
7.31 mm7.27 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425906823
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹10,35,183 INR|Low: ₹4,47,880 INR|High: ₹10,35,183 INR|Avg: ₹6,42,877 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
Retailer 19
November 2, 2026
Retailer 15₹4,55,568 INR
Retailer 18₹4,89,736 INR
Retailer 5₹5,17,544 INR
Retailer 16₹5,22,005 INR
Retailer 6₹5,60,728 INR
Retailer 8₹5,60,728 INR
Retailer 19₹5,60,728 INR
Retailer 2₹5,84,844 INR
Retailer 7₹6,25,457 INR
Retailer 9₹6,25,457 INR
Retailer 11₹6,25,651 INR
Retailer 10₹6,33,868 INR
Retailer 17₹6,46,337 INR
Retailer 3₹6,47,001 INR
Retailer 12₹6,73,273 INR
Retailer 4₹6,82,308 INR
Retailer 14₹7,60,457 INR
Retailer 13₹9,11,853 INR
NZ Jewellers₹10,35,183 INR

43 data points across 19 retailers

19 retailers₹4,55,568 INR to ₹10,35,183 INR

B+
Cheapest Retailer
-
₹4,55,568 INR
HK$37,500 HKD
B+
Retailer 2
-
₹4,89,736 INR
$5,160 USD
View
B
Retailer 3
-
₹5,17,544 INR
$5,453 USD
View
Final sale: no returns
B
Retailer 4
-
₹5,22,005 INR
$5,500 USD
View
B
Retailer 5
-
₹5,60,728 INR
$5,908 USD
View
B
Retailer 6
-
₹5,60,728 INR
$5,908 USD
View
B
Retailer 7
-
₹5,60,728 INR
$5,908 USD
View
B+
Retailer 8
-
₹5,84,844 INR
£4,852 GBP
View
B
Retailer 9
-
₹6,25,457 INR
$6,590 USD
View
B
Retailer 10
-
₹6,25,457 INR
$6,590 USD
View
Retailer 11
-
₹6,25,651 INR
A$10,142 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
₹6,33,868 INR
$6,679 USD
View
B
Retailer 13
-
₹6,46,337 INR
$6,810 USD
View
B
Retailer 14
-
₹6,47,001 INR
$6,817 USD
View
B
Retailer 15
-
₹6,73,273 INR
€6,756 EUR
View
Retailer 16
-
₹6,82,308 INR
$7,189 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
₹7,60,457 INR
ZAR 129,441 ZAR
View
B
Retailer 18
-
₹9,11,853 INR
£7,565 GBP
View
Most Expensive
B
NZ Jewellers
69390dd0-34a5-44b5-99bc-6831c853a27d · Oct 30
₹10,35,183 INR
$10,907 USD
View
18 more retailers have this diamond
Prices start from ₹4,55,568 INRSave up to ₹5,79,615 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.

B+
1.51ct Round
₹4,55,568 INR