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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6421142723

Certificate GIA 6421142723

Diamond specifications and retailer prices

From ₹8,74,412 INR
As of November 4, 2026
Save ₹7,75,964 INR (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹16,50,377 INR at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6421142723. Listed at 18 retailers as of November 4, 2026, with prices from ₹8,74,412 to ₹16,50,377, a ₹7,75,964 spread on the same certified stone. NZ Jewellers lists it at ₹16,50,377. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421142723
Dimensions7.45 × 7.43 × 4.49 mm
L/W Ratio1.00
Top View
7.45 mm7.43 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421142723
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: ₹16,50,377 INR|Low: ₹8,25,188 INR|High: ₹16,50,377 INR|Avg: ₹12,01,305 INR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7₹8,74,412 INR
Retailer 8₹9,90,245 INR
Retailer 10₹9,90,245 INR
Retailer 2₹10,51,940 INR
Retailer 12₹10,72,726 INR
Retailer 9₹10,89,260 INR
Retailer 5₹11,86,574 INR
Retailer 11₹12,37,782 INR
Retailer 3₹13,02,690 INR
Retailer 4₹14,11,626 INR
Retailer 6₹15,42,292 INR
NZ Jewellers₹16,50,377 INR

41 data points across 12 retailers

18 retailers₹8,74,412 INR to ₹16,50,377 INR

B+
Cheapest Retailer
-
₹8,74,412 INR
B
Retailer 2
-
₹9,01,717 INR
View
B
Retailer 3
-
₹9,18,724 INR
View
B
Retailer 4
-
₹9,46,312 INR
View
Retailer 5
-
₹9,90,245 INR
View
Price last confirmed 8 days ago
B
Retailer 6
-
₹9,90,245 INR
View
Final sale: no returns
B
Retailer 7
-
₹10,51,940 INR
View
B
Retailer 8
-
₹10,72,726 INR
View
B
Retailer 9
-
₹10,89,260 INR
View
B
Retailer 10
-
₹11,43,964 INR
View
B
Retailer 11
-
₹11,57,380 INR
View
B
Retailer 12
-
₹11,57,380 INR
View
B
Retailer 13
-
₹11,86,574 INR
View
B
Retailer 14
-
₹11,96,117 INR
View
B
Retailer 15
-
₹12,37,782 INR
View
Retailer 16
-
₹13,02,690 INR
View
Price last confirmed 14 days ago
B
Retailer 17
-
₹15,42,292 INR
View
Most Expensive
B
NZ Jewellers
647ee53a-c6df-43c7-89e3-127918a6fd9a · Nov 5
₹16,50,377 INR
$17,468 USD
View
17 more retailers have this diamond
Prices start from ₹8,74,412 INRSave up to ₹7,75,964 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+
1.51ct Round
₹8,74,412 INR