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Round|Natural|GIA

1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2507471981

Certificate GIA 2507471981

Diamond specifications and retailer prices

From ₹2,68,048 INR
As of November 6, 2026
Save ₹4,65,275 INR (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: ₹7,33,323 INR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 2507471981. Listed at 24 retailers as of November 5, 2026, with prices from ₹2,68,048 to ₹7,33,323, a ₹4,65,275 spread on the same certified stone. Diamond Quarter lists it at ₹7,33,323. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507471981
Dimensions6.77 × 6.74 × 4.23 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.77 mm6.74 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2507471981
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 6
Current: ₹3,42,808 INR|Low: ₹2,68,048 INR|High: ₹6,24,286 INR|Avg: ₹4,26,867 INR|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10₹2,68,048 INR
Retailer 11₹3,30,692 INR
Retailer 4₹3,37,267 INR
Retailer 1₹3,42,808 INR
Retailer 5₹3,58,493 INR
Retailer 2₹3,83,757 INR
Retailer 8₹4,12,027 INR
Retailer 6₹4,16,253 INR
Retailer 7₹4,37,292 INR
Retailer 9₹5,99,210 INR
Retailer 3₹6,24,286 INR

36 data points across 11 retailers

24 retailers₹2,68,048 INR to ₹7,33,323 INR

A
Cheapest Retailer
-
₹2,68,048 INR
B+
Retailer 2
-
₹3,18,107 INR
View
B+
Retailer 3
-
₹3,23,273 INR
View
B+
Retailer 4
-
₹3,30,692 INR
View
Final sale: no returns
B+
Retailer 5
-
₹3,37,267 INR
View
B+
Retailer 6
-
₹3,39,239 INR
View
Retailer 7
-
₹3,39,896 INR
View
Price last confirmed 117 days ago
B+
Retailer 8
-
₹3,42,808 INR
View
B+
Retailer 9
-
₹3,42,808 INR
View
Retailer 10
-
₹3,58,305 INR
View
Price last confirmed 39 days ago
B
Retailer 11
-
₹3,58,305 INR
View
Retailer 12
-
₹3,58,305 INR
View
Price last confirmed 12 days ago
B+
Retailer 13
-
₹3,58,493 INR
View
B+
Retailer 14
-
₹3,72,017 INR
View
B+
Retailer 15
-
₹3,72,111 INR
View
Retailer 16
-
₹3,83,757 INR
View
Price last confirmed 29 days ago
B+
Retailer 17
-
₹4,12,027 INR
View
Retailer 18
-
₹4,13,436 INR
View
Price last confirmed 39 days ago
B+
Retailer 19
-
₹4,16,253 INR
View
B
Retailer 20
-
₹4,37,292 INR
View
B
Retailer 21
-
₹5,99,210 INR
View
Retailer 22
-
₹6,24,286 INR
View
Price last confirmed 41 days ago
B
Retailer 23
-
₹6,24,286 INR
View
Most Expensive
B
Diamond Quarter
1.21SI1H25811F54N · Nov 5
₹7,33,323 INR
£6,148 GBP
View
23 more retailers have this diamond
Prices start from ₹2,68,048 INRSave up to ₹4,65,275 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
₹2,68,048 INR