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Round|Natural|GIA

1.02ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1428908142

Certificate GIA 1428908142

Diamond specifications and retailer prices

From ₹2,39,120 INR
As of November 6, 2026
Save ₹4,00,190 INR (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹6,39,311 INR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct 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 1428908142. Listed at 19 retailers as of November 5, 2026, with prices from ₹2,39,120 to ₹6,39,311, a ₹4,00,190 spread on the same certified stone. Diamond Quarter lists it at ₹6,39,311. 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

1.02
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1428908142
Dimensions6.44 × 6.40 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Knot
Top View
6.44 mm6.40 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428908142
Side View
Table 58.0%Crown 34.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: ₹2,39,120 INR|Low: ₹2,39,120 INR|High: ₹5,59,857 INR|Avg: ₹3,53,698 INR|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1₹2,39,120 INR
Retailer 8₹2,42,783 INR
Retailer 9₹3,05,334 INR
Retailer 2₹3,16,510 INR
Retailer 3₹3,38,112 INR
Retailer 4₹3,40,178 INR
Retailer 7₹3,52,106 INR
Retailer 5₹4,03,762 INR
Retailer 6₹5,51,780 INR

29 data points across 9 retailers

19 retailers₹2,39,120 INR to ₹6,39,311 INR

A
Cheapest Retailer
-
₹2,39,120 INR
B+
Retailer 2
-
₹2,42,783 INR
View
B+
Retailer 3
-
₹2,88,147 INR
View
B
Retailer 4
-
₹3,05,334 INR
View
Final sale: no returns
Retailer 5
-
₹3,09,279 INR
View
Price last confirmed 109 days ago
B+
Retailer 6
-
₹3,16,510 INR
View
B+
Retailer 7
-
₹3,18,389 INR
View
B+
Retailer 8
-
₹3,30,786 INR
View
B
Retailer 9
-
₹3,38,112 INR
View
B+
Retailer 10
-
₹3,40,178 INR
View
B
Retailer 11
-
₹3,44,405 INR
View
B+
Retailer 12
-
₹3,52,106 INR
View
Retailer 13
-
₹3,53,327 INR
View
Price last confirmed 29 days ago
B
Retailer 14
-
₹3,81,691 INR
View
B
Retailer 15
-
₹4,03,762 INR
View
B
Retailer 16
-
₹4,29,120 INR
View
B
Retailer 17
-
₹5,51,780 INR
View
B
Retailer 18
-
₹5,76,293 INR
View
Most Expensive
B
Diamond Quarter
1.02SI1H1442F009N · Nov 5
₹6,39,311 INR
£5,360 GBP
View
18 more retailers have this diamond
Prices start from ₹2,39,120 INRSave up to ₹4,00,190 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
1.02ct Round
₹2,39,120 INR