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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 6555386165

Certificate GIA 6555386165

Diamond specifications and retailer prices

From €5,141 EUR
$5,766 USD
As of November 2, 2026
Save €4,528 EUR (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,669 EUR at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555386165. Listed at 9 retailers as of October 30, 2026, with prices from €5,141 to €9,669, a €4,528 spread on the same certified stone. NZ Jewellers lists it at €9,669. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle52.82°
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555386165
Dimensions7.41 × 5.78 × 4.00 mm
L/W Ratio1.28
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.41 mm5.78 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555386165
Side View
Table 73.0%Crown 52.82°Girdle: THK-VTKPavilion 37.2°CuletDepth 69.1%

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 2
Current: €9,669 EUR|Low: €4,574 EUR|High: €10,269 EUR|Avg: €6,086 EUR|-5.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13€4,574 EUR
Retailer 3€5,029 EUR
Retailer 10€5,141 EUR
Retailer 9€5,372 EUR
Retailer 6€5,409 EUR
Retailer 11€5,519 EUR
Retailer 5€5,575 EUR
Retailer 12€5,660 EUR
Retailer 2€5,781 EUR
Retailer 7€5,781 EUR
Retailer 4€6,090 EUR
Retailer 8€8,517 EUR
NZ Jewellers€9,669 EUR

20 data points across 13 retailers

9 retailers€5,141 EUR to €9,669 EUR

Retailer 1
-
€4,574 EUR
$5,130 USD
Price last confirmed 12 days ago
A
Retailer 2
-
€5,141 EUR
$5,766 USD
View
A
Retailer 3
-
€5,372 EUR
$6,025 USD
View
A
Retailer 4
-
€5,409 EUR
£4,777 GBP
View
A
Retailer 5
-
€5,519 EUR
$6,190 USD
View
B+
Retailer 6
-
€5,781 EUR
$6,484 USD
View
B+
Retailer 7
-
€5,781 EUR
$6,484 USD
View
B
Retailer 8
-
€8,517 EUR
£7,522 GBP
View
Most Expensive
B
NZ Jewellers
c2bcb785-9426-42a7-81cc-f3d64e6561b1 · Oct 30
€9,669 EUR
$10,845 USD
View
8 more retailers have this diamond
Prices start from €5,141 EURSave up to €4,528 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
€5,141 EUR