CaratHunter
Plans
Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6515182503

Certificate GIA 6515182503

Diamond specifications and retailer prices

From €3,174 EUR
HK$27,700 HKD
As of October 31, 2026
Save €3,903 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,077 EUR 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 €3,174 to €7,077, a €3,903 spread on the same certified stone. NZ Jewellers lists it at €7,077. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,077 EUR|Low: €3,139 EUR|High: €7,447 EUR|Avg: €4,729 EUR|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€3,174 EUR
Retailer 4€3,235 EUR
Retailer 5€3,543 EUR
Retailer 3€4,062 EUR
Retailer 7€4,242 EUR
Retailer 9€4,274 EUR
Retailer 2€4,578 EUR
Retailer 8€4,687 EUR
Retailer 10€6,494 EUR
NZ Jewellers€7,077 EUR

45 data points across 10 retailers

11 retailers€3,174 EUR to €7,077 EUR

A
Cheapest Retailer
-
€3,174 EUR
HK$27,700 HKD
A
Retailer 2
-
€3,235 EUR
₹344,215 INR
View
A
Retailer 3
-
€3,543 EUR
$3,958 USD
View
A
Retailer 4
-
€4,062 EUR
$4,538 USD
View
A
Retailer 5
-
€4,242 EUR
$4,740 USD
View
A
Retailer 6
-
€4,274 EUR
$4,775 USD
View
A
Retailer 7
-
€4,274 EUR
$4,775 USD
View
A
Retailer 8
-
€4,578 EUR
View
B+
Retailer 9
-
€4,687 EUR
$5,236 USD
View
B
Retailer 10
-
€6,494 EUR
$7,255 USD
View
Most Expensive
B
NZ Jewellers
6860eb66-dc8a-4cd3-9ed8-2e23e42255fc · Oct 30
€7,077 EUR
$7,906 USD
View
10 more retailers have this diamond
Prices start from €3,174 EURSave up to €3,903 EUR

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
€3,174 EUR