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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 7518553388

Certificate GIA 7518553388

Diamond specifications and retailer prices

From €2,805 EUR
As of November 6, 2026
Save €1,285 EUR (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,346 EUR at NZ Jewellers · As of September 28, 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 7518553388. Listed at 10 retailers as of November 5, 2026, with a 46% 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
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7518553388
Dimensions7.25 × 7.31 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle
Top View
7.25 mm7.31 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7518553388
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,089 EUR|Low: €2,782 EUR|High: €4,334 EUR|Avg: €3,513 EUR|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3€2,805 EUR
Retailer 2€2,940 EUR
Retailer 7€3,229 EUR
Retailer 5€3,416 EUR
Retailer 4€3,642 EUR
Retailer 6€3,642 EUR
Retailer 1€4,089 EUR
Retailer 8€4,334 EUR

38 data points across 8 retailers

10 retailers€2,805 EUR to €4,089 EUR

B+
Cheapest Retailer
-
€2,805 EUR
B+
Retailer 2
-
€2,940 EUR
View
B+
Retailer 3
-
€3,416 EUR
View
Retailer 4
-
€3,642 EUR
View
Price last confirmed 39 days ago
Retailer 5
-
€3,642 EUR
View
Price last confirmed 17 days ago
Retailer 6
-
€3,642 EUR
View
Price last confirmed 38 days ago
Retailer 7
-
€3,642 EUR
View
Price last confirmed 21 days ago
B
Retailer 8
-
€4,089 EUR
View
Retailer 9
-
€4,203 EUR
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
f1ecd3f5-fbce-43c2-9bfc-8d72cadcc38f · Sep 28
€6,346 EUR
$7,123 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from €2,805 EURSave up to €1,285 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.

B+
1.50ct Round
€2,805 EUR