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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555665977

Certificate GIA 1555665977

Diamond specifications and retailer prices

From ₹4,40,853 INR
$4,643 USD
As of November 1, 2026
Save ₹4,30,598 INR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹8,71,451 INR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555665977. Listed at 15 retailers as of October 30, 2026, with prices from ₹4,40,853 to ₹8,71,451, a ₹4,30,598 spread on the same certified stone. NZ Jewellers lists it at ₹8,71,451. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.22°
OriginNatural
Grading LabGIA
CertificateGIA 1555665977
Dimensions7.78 × 5.83 × 3.99 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.78 mm5.83 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555665977
Side View
Table 68.0%Crown 43.22°Girdle: Slightly ThickPavilionCulet: NoneDepth 68.4%

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 1
Current: ₹8,71,451 INR|Low: ₹4,27,085 INR|High: ₹9,27,946 INR|Avg: ₹5,87,717 INR|-6.1%
NZ Jewellers
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
November 2, 2026
Retailer 4₹4,40,853 INR
Retailer 14₹4,54,431 INR
Retailer 3₹4,80,922 INR
Retailer 2₹5,04,757 INR
Retailer 8₹5,08,365 INR
Retailer 5₹5,20,991 INR
Retailer 6₹5,20,991 INR
Retailer 12₹5,20,991 INR
Retailer 13₹5,35,640 INR
Retailer 11₹5,45,108 INR
Retailer 7₹5,89,511 INR
Retailer 10₹6,01,223 INR
Retailer 9₹8,29,876 INR
NZ Jewellers₹8,71,451 INR

26 data points across 14 retailers

15 retailers₹4,40,853 INR to ₹8,71,451 INR

A
Cheapest Retailer
-
₹4,40,853 INR
$4,643 USD
A
Retailer 2
-
₹4,54,431 INR
$4,786 USD
View
A
Retailer 3
-
₹4,80,922 INR
$5,065 USD
View
Final sale: no returns
A
Retailer 4
-
₹5,04,757 INR
£4,186 GBP
View
A
Retailer 5
-
₹5,08,365 INR
£4,216 GBP
View
A
Retailer 6
-
₹5,20,991 INR
$5,487 USD
View
A
Retailer 7
-
₹5,20,991 INR
$5,487 USD
View
A
Retailer 8
-
₹5,20,991 INR
$5,487 USD
View
A
Retailer 9
-
₹5,35,640 INR
$5,641 USD
View
B+
Retailer 10
-
₹5,45,108 INR
$5,741 USD
View
B+
Retailer 11
-
₹5,89,511 INR
€5,913 EUR
View
B+
Retailer 12
-
₹6,01,223 INR
$6,332 USD
View
Retailer 13
-
₹6,07,680 INR
$6,400 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
₹8,29,876 INR
£6,882 GBP
View
Most Expensive
B
NZ Jewellers
4550dc16-0292-4ea4-b8e9-ba98c68b4e06 · Oct 30
₹8,71,451 INR
$9,178 USD
View
14 more retailers have this diamond
Prices start from ₹4,40,853 INRSave up to ₹4,30,598 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 Radiant
₹4,40,853 INR