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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2437367505

Certificate GIA 2437367505

Diamond specifications and retailer prices

From €2,316 EUR
As of November 4, 2026
Save €1,120 EUR (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,147 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 2437367505. Listed at 8 retailers as of November 4, 2026, with a 48% 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
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2437367505
Dimensions7.32 × 7.26 × 4.60 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.26 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2437367505
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 4
Current: €3,436 EUR|Low: €2,316 EUR|High: €3,515 EUR|Avg: €2,782 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2€2,316 EUR
Retailer 7€2,397 EUR
Retailer 4€2,439 EUR
Retailer 3€2,676 EUR
Retailer 6€2,689 EUR
Retailer 1€3,436 EUR
Retailer 5€3,515 EUR

24 data points across 7 retailers

8 retailers€2,316 EUR to €3,436 EUR

A
Cheapest Retailer
-
€2,316 EUR
B+
Retailer 2
-
€2,397 EUR
View
Retailer 3
-
€2,676 EUR
View
Price last confirmed 36 days ago
B+
Retailer 4
-
€2,689 EUR
View
Retailer 5
-
€2,780 EUR
View
Price last confirmed 38 days ago
Retailer 6
-
€3,088 EUR
View
Price last confirmed 38 days ago
B+
Retailer 7
-
€3,436 EUR
View
Most Expensive
NZ Jewellers
425b9c5f-2297-49ad-95fe-a37ba72adacd · Sep 28
€5,147 EUR
$5,777 USD
View
Price last confirmed 39 days ago
7 more retailers have this diamond
Prices start from €2,316 EURSave up to €1,120 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
1.50ct Round
€2,316 EUR