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1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6512424390

Certificate GIA 6512424390

Diamond specifications and retailer prices

From ₹3,62,156 INR
As of November 5, 2026
Save ₹3,54,736 INR (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: ₹7,16,891 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 GIA 6512424390. Listed at 17 retailers as of November 5, 2026, with prices from ₹3,62,156 to ₹7,16,891, a ₹3,54,736 spread on the same certified stone. NZ Jewellers lists it at ₹7,16,891. 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6512424390
Dimensions6.86 × 6.81 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Twinning Wisp, Feather, Needle, Indented Natural
Top View
6.86 mm6.81 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512424390
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: ₹4,14,187 INR|Low: ₹3,16,510 INR|High: ₹6,79,699 INR|Avg: ₹4,36,868 INR|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5₹3,64,879 INR
Retailer 2₹3,73,520 INR
Retailer 7₹3,79,812 INR
Retailer 9₹3,91,083 INR
Retailer 10₹4,11,464 INR
Retailer 1₹4,14,187 INR
Retailer 8₹4,38,888 INR
Retailer 4₹4,62,556 INR
Retailer 3₹5,02,002 INR
Retailer 6₹6,71,622 INR

45 data points across 10 retailers

17 retailers₹3,62,156 INR to ₹7,16,891 INR

B+
Cheapest Retailer
-
₹3,62,156 INR
B+
Retailer 2
-
₹3,64,879 INR
View
B+
Retailer 3
-
₹3,73,520 INR
View
B+
Retailer 4
-
₹3,79,812 INR
View
Final sale: no returns
B+
Retailer 5
-
₹3,90,238 INR
View
Retailer 6
-
₹4,11,464 INR
View
Price last confirmed 8 days ago
B
Retailer 7
-
₹4,11,464 INR
View
B
Retailer 8
-
₹4,11,464 INR
View
B+
Retailer 9
-
₹4,14,187 INR
View
B
Retailer 10
-
₹4,25,364 INR
View
Retailer 11
-
₹4,38,888 INR
View
Price last confirmed 28 days ago
B
Retailer 12
-
₹4,62,556 INR
View
B
Retailer 13
-
₹4,74,766 INR
View
B
Retailer 14
-
₹5,02,002 INR
View
B
Retailer 15
-
₹6,53,777 INR
View
B
Retailer 16
-
₹6,71,622 INR
View
Most Expensive
B
NZ Jewellers
26c924ad-4a91-43a5-8d77-a32aea1d223a · Nov 5
₹7,16,891 INR
$7,633 USD
View
16 more retailers have this diamond
Prices start from ₹3,62,156 INRSave up to ₹3,54,736 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+
1.21ct Round
₹3,62,156 INR