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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6422643720

Certificate GIA 6422643720

Diamond specifications and retailer prices

From €1,538 EUR
As of November 5, 2026
Save €2,680 EUR (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,218 EUR at NZ Jewellers · As of November 5, 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 6422643720. Listed at 7 retailers as of November 5, 2026, with prices from €1,538 to €4,218, a €2,680 spread on the same certified stone. NZ Jewellers lists it at €4,218. 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
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422643720
Dimensions7.28 × 7.31 × 4.56 mm
L/W Ratio1.00
Top View
7.28 mm7.31 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422643720
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 5
Current: €4,218 EUR|Low: €1,538 EUR|High: €4,218 EUR|Avg: €2,201 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2€1,538 EUR
Retailer 6€1,822 EUR
Retailer 4€2,017 EUR
Retailer 5€2,017 EUR
Retailer 8€2,019 EUR
Retailer 3€2,111 EUR
Retailer 7€2,328 EUR
NZ Jewellers€4,218 EUR

41 data points across 8 retailers

7 retailers€1,538 EUR to €4,218 EUR

A
Cheapest Retailer
-
€1,538 EUR
B+
Retailer 2
-
€1,822 EUR
View
Retailer 3
-
€2,017 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€2,017 EUR
View
B+
Retailer 5
-
€2,111 EUR
View
B+
Retailer 6
-
€2,328 EUR
View
Most Expensive
B
NZ Jewellers
884c886c-b087-48e7-9b7a-18db6065c35b · Nov 5
€4,218 EUR
$4,734 USD
View
6 more retailers have this diamond
Prices start from €1,538 EURSave up to €2,680 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
€1,538 EUR