Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1538258148

Certificate GIA 1538258148

Diamond specifications and retailer prices

From ₹4,30,056 INR
HK$35,400 HKD
As of November 1, 2026
Save ₹4,78,783 INR (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹9,38,660 INR at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1538258148. Listed at 21 retailers as of October 28, 2026, with a 111% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1538258148
Dimensions7.35 × 7.29 × 4.59 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.35 mm7.29 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1538258148
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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 1
Current: ₹4,57,031 INR|Low: ₹4,26,412 INR|High: ₹9,12,455 INR|Avg: ₹6,03,096 INR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10₹4,30,056 INR
Retailer 1₹4,57,031 INR
Retailer 13₹4,90,018 INR
Retailer 2₹4,92,963 INR
Retailer 11₹5,03,498 INR
Retailer 5₹5,18,019 INR
Retailer 7₹5,43,843 INR
Retailer 3₹5,53,325 INR
Retailer 4₹5,75,982 INR
Retailer 6₹5,95,798 INR
Retailer 8₹6,10,490 INR
Retailer 9₹8,26,754 INR
Retailer 12₹9,08,839 INR

30 data points across 13 retailers

21 retailers₹4,30,056 INR to ₹9,08,839 INR

A
Cheapest Retailer
-
₹4,30,056 INR
HK$35,400 HKD
A
Retailer 2
-
₹4,57,031 INR
View
A
Retailer 3
-
₹4,90,018 INR
SGD 6,977 SGD
View
A
Retailer 4
-
₹4,92,963 INR
$5,194 USD
View
A
Retailer 5
-
₹5,03,498 INR
$5,305 USD
View
Retailer 6
-
₹5,08,433 INR
$5,357 USD
View
Price last confirmed 17 days ago
Retailer 7
-
₹5,08,433 INR
$5,357 USD
View
Price last confirmed 34 days ago
Retailer 8
-
₹5,08,433 INR
$5,357 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
₹5,18,019 INR
$5,458 USD
View
Final sale: no returns
A
Retailer 10
-
₹5,22,859 INR
$5,509 USD
View
A
Retailer 11
-
₹5,43,843 INR
£4,512 GBP
View
A
Retailer 12
-
₹5,53,325 INR
$5,830 USD
View
A
Retailer 13
-
₹5,75,982 INR
$6,069 USD
View
Retailer 14
-
₹5,86,639 INR
$6,181 USD
View
Price last confirmed 33 days ago
A
Retailer 15
-
₹5,95,798 INR
£4,943 GBP
View
A
Retailer 16
-
₹6,10,490 INR
€6,126 EUR
View
Retailer 17
-
₹6,18,908 INR
$6,521 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
₹8,26,754 INR
£6,859 GBP
View
B+
Retailer 19
-
₹9,08,839 INR
£7,540 GBP
View
Retailer 20
-
₹9,38,660 INR
$9,890 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
f4f1a7a0-c163-4cbe-a534-8e0fa0e569e3 · Oct 17
₹9,38,660 INR
$9,890 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from ₹4,30,056 INRSave up to ₹4,78,783 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
1.51ct Round
₹4,30,056 INR