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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6421510450

Certificate GIA 6421510450

Diamond specifications and retailer prices

From ₹2,15,225 INR
As of November 6, 2026
Save ₹1,21,312 INR (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: ₹5,04,807 INR at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6421510450. Listed at 8 retailers as of November 5, 2026, with a 56% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6421510450
Dimensions7.36 × 7.42 × 4.50 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.36 mm7.42 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6421510450
Side View
Table 57.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.9%

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: ₹5,04,807 INR|Low: ₹2,12,769 INR|High: ₹5,17,278 INR|Avg: ₹3,19,773 INR|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4₹2,15,225 INR
Retailer 5₹2,59,442 INR
Retailer 10₹2,70,685 INR
Retailer 6₹2,89,770 INR
Retailer 7₹2,89,770 INR
Retailer 9₹3,00,919 INR
Retailer 8₹3,34,270 INR
Retailer 2₹3,36,538 INR
Retailer 3₹3,41,451 INR
Retailer 11₹3,55,056 INR
NZ Jewellers₹5,04,807 INR

31 data points across 11 retailers

8 retailers₹2,15,225 INR to ₹3,36,538 INR

A
Cheapest Retailer
-
₹2,15,225 INR
B+
Retailer 2
-
₹2,59,442 INR
View
Retailer 3
-
₹2,89,770 INR
View
Price last confirmed 11 days ago
Retailer 4
-
₹2,89,770 INR
View
Price last confirmed 12 days ago
Retailer 5
-
₹3,00,919 INR
View
Price last confirmed 12 days ago
Retailer 6
-
₹3,34,270 INR
View
Price last confirmed 14 days ago
B+
Retailer 7
-
₹3,36,538 INR
View
Most Expensive
NZ Jewellers
d8bdc495-5cf7-45e5-8e69-a2c0a60250f1 · Oct 23
₹5,04,807 INR
$5,343 USD
View
Price last confirmed 13 days ago
7 more retailers have this diamond
Prices start from ₹2,15,225 INRSave up to ₹1,21,312 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
1.50ct Round
₹2,15,225 INR