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1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2506134651

Shape and cutting style on the report: Round brilliant

Certificate GIA 2506134651

Diamond specifications and retailer prices

From ₹1,73,371 INR
As of November 6, 2026
Save ₹3,28,790 INR (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹5,02,161 INR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506134651. Listed at 21 retailers as of November 5, 2026, with prices from ₹1,73,371 to ₹5,02,161, a ₹3,28,790 spread on the same certified stone. NZ Jewellers lists it at ₹5,02,161. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2506134651
Dimensions6.39 × 6.35 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.39 mm6.35 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2506134651
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹1,73,371 INR|Low: ₹1,73,371 INR|High: ₹4,25,821 INR|Avg: ₹2,56,803 INR|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1₹1,73,371 INR
Retailer 7₹1,76,489 INR
Retailer 8₹2,17,021 INR
Retailer 9₹2,21,650 INR
Retailer 2₹2,26,658 INR
Retailer 3₹2,52,640 INR
Retailer 6₹2,71,536 INR
Retailer 4₹2,93,171 INR
Retailer 5₹4,19,680 INR

29 data points across 9 retailers

21 retailers₹1,73,371 INR to ₹5,02,161 INR

A
Cheapest Retailer
-
₹1,73,371 INR
B+
Retailer 2
-
₹1,76,489 INR
View
B+
Retailer 3
-
₹2,10,218 INR
View
B+
Retailer 4
-
₹2,10,596 INR
View
B+
Retailer 5
-
₹2,17,021 INR
View
Retailer 6
-
₹2,18,910 INR
View
Price last confirmed 82 days ago
B
Retailer 7
-
₹2,21,650 INR
View
Final sale: no returns
B+
Retailer 8
-
₹2,26,658 INR
View
B+
Retailer 9
-
₹2,38,090 INR
View
B+
Retailer 10
-
₹2,40,168 INR
View
B
Retailer 11
-
₹2,44,703 INR
View
B
Retailer 12
-
₹2,51,317 INR
View
B+
Retailer 13
-
₹2,52,640 INR
View
B
Retailer 14
-
₹2,53,395 INR
View
Retailer 15
-
₹2,69,079 INR
View
Price last confirmed 30 days ago
B
Retailer 16
-
₹2,71,536 INR
View
B
Retailer 17
-
₹2,77,110 INR
View
B
Retailer 18
-
₹2,93,171 INR
View
B
Retailer 19
-
₹3,29,074 INR
View
B
Retailer 20
-
₹4,19,680 INR
View
Most Expensive
B
NZ Jewellers
8b7bb6df-972d-41c2-b5d1-2a135753b617 · Nov 5
₹5,02,161 INR
$5,315 USD
View
20 more retailers have this diamond
Prices start from ₹1,73,371 INRSave up to ₹3,28,790 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
1.00ct Round
₹1,73,371 INR