Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

EX • D/I1 • GIA 7506022576

Shape and cutting style on the report: Round

Certificate GIA 7506022576

Diamond specifications and retailer prices

From €4,376 EUR
$4,889 USD
As of October 30, 2026
Save €4,016 EUR (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €8,392 EUR 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7506022576. Listed at 9 retailers as of October 30, 2026, with a 92% 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

1.51
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7506022576
Dimensions7.31 × 7.35 × 4.53 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.31 mm7.35 mm1.51 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7506022576
Side View
Table 60.0%Crown 34°GirdlePavilion 41.8°Culet: NoneDepth 61.8%

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 30
Current: €5,653 EUR|Low: €3,691 EUR|High: €5,971 EUR|Avg: €4,837 EUR|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€3,691 EUR
Retailer 4€4,376 EUR
Retailer 3€4,420 EUR
Retailer 2€5,018 EUR
Retailer 1€5,653 EUR
Retailer 5€5,971 EUR

17 data points across 6 retailers

9 retailers€4,376 EUR to €8,392 EUR

A
Cheapest Retailer
-
€4,376 EUR
$4,889 USD
A
Retailer 2
-
€4,420 EUR
$4,938 USD
View
Retailer 3
-
€5,018 EUR
$5,606 USD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
€5,018 EUR
$5,606 USD
View
Retailer 5
-
€5,018 EUR
$5,606 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
€5,653 EUR
View
Retailer 7
-
€5,790 EUR
$6,469 USD
View
Price last confirmed 33 days ago
B
Retailer 8
-
€8,392 EUR
$9,376 USD
View
Most Expensive
NZ Jewellers
4d78864c-9dd5-4cae-a22f-1f6ef20f7649 · Sep 28
€8,392 EUR
$9,376 USD
View
Price last confirmed 34 days ago
8 more retailers have this diamond
Prices start from €4,376 EURSave up to €4,016 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
€4,376 EUR