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1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563314290

Certificate GIA 1563314290

Diamond specifications and retailer prices

From ₹2,83,357 INR
As of October 31, 2026
Save ₹2,55,650 INR (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹5,39,007 INR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 GIA 1563314290. Listed at 15 retailers as of October 31, 2026, with prices from ₹2,83,357 to ₹5,39,007, a ₹2,55,650 spread on the same certified stone. Helzberg Diamonds lists it at ₹5,39,007. 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 angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1563314290
Dimensions6.85 × 6.89 × 4.20 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.85 mm6.89 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563314290
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.2%

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: Oct 31
Current: ₹5,39,007 INR|Low: ₹2,83,357 INR|High: ₹5,59,481 INR|Avg: ₹3,83,033 INR|-3.7%
Helzberg Diamonds
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
November 2, 2026
Retailer 12₹2,83,357 INR
Retailer 8₹2,99,605 INR
Retailer 14₹3,01,671 INR
Retailer 4₹3,05,428 INR
Retailer 11₹3,08,997 INR
Retailer 2₹3,31,725 INR
Retailer 3₹3,40,930 INR
Retailer 6₹3,41,305 INR
Retailer 13₹3,62,625 INR
Retailer 5₹3,69,200 INR
Retailer 9₹3,77,277 INR
Retailer 16₹3,89,956 INR
Retailer 10₹3,93,149 INR
Retailer 15₹4,77,959 INR
Retailer 7₹5,18,438 INR
Helzberg Diamonds₹5,39,007 INR

35 data points across 16 retailers

15 retailers₹2,83,357 INR to ₹5,39,007 INR

A
Cheapest Retailer
-
₹2,83,357 INR
B+
Retailer 2
-
₹3,01,671 INR
View
B+
Retailer 3
-
₹3,05,428 INR
View
B+
Retailer 4
-
₹3,08,997 INR
View
B+
Retailer 5
-
₹3,31,725 INR
View
B+
Retailer 6
-
₹3,40,930 INR
View
B+
Retailer 7
-
₹3,41,305 INR
View
B+
Retailer 8
-
₹3,62,625 INR
View
B+
Retailer 9
-
₹3,69,200 INR
View
B+
Retailer 10
-
₹3,77,277 INR
View
B+
Retailer 11
-
₹3,89,956 INR
View
B+
Retailer 12
-
₹3,93,149 INR
View
B
Retailer 13
-
₹4,77,959 INR
View
Retailer 14
-
₹5,18,438 INR
View
Price last confirmed 16 days ago
Most Expensive
B
Helzberg Diamonds
XZRHLMJJHKIPG · Nov 1
₹5,39,007 INR
$5,739 USD
View
14 more retailers have this diamond
Prices start from ₹2,83,357 INRSave up to ₹2,55,650 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
₹2,83,357 INR