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Round|Natural|IGI

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 717555550

Shape and cutting style on the report: Round brilliant

Certificate IGI 717555550

Diamond specifications and retailer prices

From ₹1,00,527 INR
As of November 6, 2026
Save ₹1,24,997 INR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹3,01,202 INR at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 717555550. Listed at 11 retailers as of November 4, 2026, with a 124% 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 717555550
Dimensions7.27 × 7.22 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.27 mm7.22 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 717555550
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: ₹1,00,527 INR|Low: ₹1,00,527 INR|High: ₹2,28,925 INR|Avg: ₹1,45,244 INR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1₹1,00,527 INR
Retailer 4₹1,14,415 INR
Retailer 6₹1,23,485 INR
Retailer 5₹1,36,240 INR
Retailer 2₹1,62,978 INR
Retailer 3₹2,25,524 INR

42 data points across 6 retailers

11 retailers₹1,00,527 INR to ₹2,25,524 INR

A
Cheapest Retailer
-
₹1,00,527 INR
A
Retailer 2
-
₹1,14,415 INR
View
Retailer 3
-
₹1,23,485 INR
View
Price last confirmed 39 days ago
Retailer 4
-
₹1,23,485 INR
View
Price last confirmed 25 days ago
Retailer 5
-
₹1,23,485 INR
View
Price last confirmed 29 days ago
Retailer 6
-
₹1,29,154 INR
View
Price last confirmed 38 days ago
A
Retailer 7
-
₹1,36,240 INR
View
Retailer 8
-
₹1,42,476 INR
View
Price last confirmed 38 days ago
A
Retailer 9
-
₹1,62,978 INR
View
A
Retailer 10
-
₹2,25,524 INR
View
Most Expensive
NZ Jewellers
593dcbd2-02db-43f1-9a03-0e5bf40204e8 · Sep 28
₹3,01,202 INR
$3,188 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from ₹1,00,527 INRSave up to ₹1,24,997 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
₹1,00,527 INR