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1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 639424846

Shape and cutting style on the report: Round brilliant

Certificate IGI 639424846

Diamond specifications and retailer prices

From ₹2,63,821 INR
As of November 4, 2026
Save ₹2,49,639 INR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹5,13,461 INR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 639424846. Listed at 15 retailers as of November 4, 2026, with prices from ₹2,63,821 to ₹5,13,461, a ₹2,49,639 spread on the same certified stone. NZ Jewellers lists it at ₹5,13,461. 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

1.21
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 639424846
Dimensions6.87 × 6.83 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.87 mm6.83 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 639424846
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.1%

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: ₹2,75,186 INR|Low: ₹2,63,821 INR|High: ₹4,86,881 INR|Avg: ₹3,26,231 INR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7₹2,63,821 INR
Retailer 6₹2,65,324 INR
Retailer 8₹2,72,086 INR
Retailer 1₹2,75,186 INR
Retailer 9₹3,05,991 INR
Retailer 2₹3,08,621 INR
Retailer 3₹3,22,803 INR
Retailer 4₹3,59,620 INR
Retailer 5₹4,79,649 INR

39 data points across 9 retailers

15 retailers₹2,63,821 INR to ₹5,13,461 INR

A
Cheapest Retailer
-
₹2,63,821 INR
A
Retailer 2
-
₹2,63,915 INR
View
A
Retailer 3
-
₹2,65,324 INR
View
B+
Retailer 4
-
₹2,72,086 INR
View
Final sale: no returns
A
Retailer 5
-
₹2,75,186 INR
View
Retailer 6
-
₹2,94,721 INR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
₹2,94,721 INR
View
B+
Retailer 8
-
₹3,05,991 INR
View
B+
Retailer 9
-
₹3,08,058 INR
View
B+
Retailer 10
-
₹3,08,621 INR
View
B+
Retailer 11
-
₹3,22,803 INR
View
B
Retailer 12
-
₹3,39,990 INR
View
B
Retailer 13
-
₹3,59,620 INR
View
B
Retailer 14
-
₹4,79,649 INR
View
Most Expensive
B
NZ Jewellers
a8a486c7-4ee6-4846-b6b0-a328558e00b8 · Nov 5
₹5,13,461 INR
$5,467 USD
View
14 more retailers have this diamond
Prices start from ₹2,63,821 INRSave up to ₹2,49,639 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
1.21ct Round
₹2,63,821 INR