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Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6515182503

Certificate GIA 6515182503

Diamond specifications and retailer prices

From $4,899 CAD
HK$27,400 HKD
As of October 30, 2026
Save $6,145 CAD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,044 CAD at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6515182503. Listed at 11 retailers as of October 30, 2026, with prices from $4,899 to $11,044, a $6,145 spread on the same certified stone. NZ Jewellers lists it at $11,044. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6515182503
Dimensions7.29 × 7.33 × 4.50 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.29 mm7.33 mm1.51 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515182503
Side View
Table 59.0%Crown 35.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 61.6%

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: Oct 30
Current: $11,044 CAD|Low: $4,899 CAD|High: $11,622 CAD|Avg: $7,354 CAD|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$4,899 CAD
Retailer 5$5,066 CAD
Retailer 10$5,818 CAD
Retailer 3$6,670 CAD
Retailer 7$6,670 CAD
Retailer 11$6,670 CAD
Retailer 8$6,951 CAD
Retailer 2$7,314 CAD
Retailer 6$7,570 CAD
Retailer 9$10,135 CAD
NZ Jewellers$11,044 CAD

45 data points across 11 retailers

11 retailers$4,899 CAD to $11,044 CAD

A
Cheapest Retailer
-
$4,899 CAD
HK$27,400 HKD
A
Retailer 2
-
$5,066 CAD
₹345,413 INR
View
A
Retailer 3
-
$5,818 CAD
$4,165 USD
View
A
Retailer 4
-
$6,670 CAD
$4,775 USD
View
A
Retailer 5
-
$6,670 CAD
$4,775 USD
View
A
Retailer 6
-
$6,670 CAD
$4,775 USD
View
A
Retailer 7
-
$6,951 CAD
$4,976 USD
View
B+
Retailer 8
-
$7,314 CAD
$5,236 USD
View
B+
Retailer 9
-
$7,570 CAD
€5,161 EUR
View
B
Retailer 10
-
$10,135 CAD
$7,255 USD
View
Most Expensive
B
NZ Jewellers
6860eb66-dc8a-4cd3-9ed8-2e23e42255fc · Oct 30
$11,044 CAD
$7,906 USD
View
10 more retailers have this diamond
Prices start from $4,899 CADSave up to $6,145 CAD

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
$4,899 CAD