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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 7558451105

Certificate GIA 7558451105

Diamond specifications and retailer prices

From €3,072 EUR
As of November 7, 2026
Save €2,492 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,564 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558451105. Listed at 11 retailers as of November 5, 2026, with prices from €3,072 to €5,564, a €2,492 spread on the same certified stone. NZ Jewellers lists it at €5,564. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558451105
Dimensions7.75 × 5.36 × 3.81 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint
Top View
7.75 mm5.36 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558451105
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.0%

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 7
Current: €5,564 EUR|Low: €3,072 EUR|High: €5,564 EUR|Avg: €3,782 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3€3,072 EUR
Retailer 4€3,098 EUR
Retailer 8€3,193 EUR
Retailer 10€3,193 EUR
Retailer 2€3,304 EUR
Retailer 11€3,316 EUR
Retailer 9€3,685 EUR
Retailer 5€3,717 EUR
Retailer 6€3,898 EUR
Retailer 7€5,326 EUR
NZ Jewellers€5,564 EUR

33 data points across 11 retailers

11 retailers€3,072 EUR to €5,564 EUR

A
Cheapest Retailer
-
€3,072 EUR
A
Retailer 2
-
€3,098 EUR
View
Retailer 3
-
€3,193 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€3,193 EUR
View
A
Retailer 5
-
€3,304 EUR
View
B+
Retailer 6
-
€3,316 EUR
View
B+
Retailer 7
-
€3,685 EUR
View
B+
Retailer 8
-
€3,717 EUR
View
B+
Retailer 9
-
€3,898 EUR
View
B
Retailer 10
-
€5,326 EUR
View
Most Expensive
B
NZ Jewellers
1930ef7e-aff1-4fa7-af8f-e59a4e7b45cd · Nov 5
€5,564 EUR
$6,212 USD
View
10 more retailers have this diamond
Prices start from €3,072 EURSave up to €2,492 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 Radiant
€3,072 EUR