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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552667733

Certificate GIA 6552667733

Diamond specifications and retailer prices

From €4,329 EUR
As of November 7, 2026
Save €3,806 EUR (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €8,134 EUR at NZ Jewellers · As of November 3, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552667733. Listed at 10 retailers as of November 3, 2026, with prices from €4,329 to €8,134, a €3,806 spread on the same certified stone. NZ Jewellers lists it at €8,134. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.8°
Pavilion angle36.44°
OriginNatural
Grading LabGIA
CertificateGIA 6552667733
Dimensions7.40 × 5.66 × 3.95 mm
L/W Ratio1.31
Girdle conditionVery Thick
Key to symbols
Crystal, Needle, Natural
Top View
7.40 mm5.66 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552667733
Side View
Table 73.0%Crown 54.8°GirdlePavilion 36.44°Culet: NoneDepth 69.8%

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: Nov 7
Current: €8,134 EUR|Low: €4,329 EUR|High: €8,335 EUR|Avg: €5,500 EUR|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3€4,329 EUR
Retailer 9€4,366 EUR
Retailer 6€4,582 EUR
Retailer 5€4,698 EUR
Retailer 4€4,702 EUR
Retailer 2€4,805 EUR
Retailer 8€4,863 EUR
Retailer 10€4,903 EUR
Retailer 7€7,746 EUR
NZ Jewellers€8,134 EUR

43 data points across 10 retailers

10 retailers€4,329 EUR to €8,134 EUR

A
Cheapest Retailer
-
€4,329 EUR
A
Retailer 2
-
€4,366 EUR
View
A
Retailer 3
-
€4,582 EUR
View
A
Retailer 4
-
€4,698 EUR
View
A
Retailer 5
-
€4,702 EUR
View
A
Retailer 6
-
€4,805 EUR
View
B+
Retailer 7
-
€4,863 EUR
View
Retailer 8
-
€4,903 EUR
View
Price last confirmed 29 days ago
B
Retailer 9
-
€7,746 EUR
View
Most Expensive
B
NZ Jewellers
a58e4b94-a83f-44b1-b18e-47b3b3ff79dd · Nov 3
€8,134 EUR
$9,082 USD
View
9 more retailers have this diamond
Prices start from €4,329 EURSave up to €3,806 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
€4,329 EUR