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Radiant|Natural|GIA

0.50ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From €717 EUR
$804 USD
As of October 31, 2026
Save €69 EUR (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €785 EUR at B2C Jewels · As of November 2, 2026
View at B2C Jewels

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded I 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. Listed at 2 retailers as of October 31, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions5.19 × 4.04 mm
L/W Ratio1.28
Top View
5.19 mm4.04 mm0.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €785 EUR|Low: €717 EUR|High: €785 EUR|Avg: €742 EUR|+1.3%
B2C Jewels
Retailer 2
September 25, 2026
Retailer 2€717 EUR
B2C Jewels€785 EUR

3 data points across 2 retailers

2 retailers€717 EUR to €785 EUR

B+
Cheapest Retailer
-
€717 EUR
$804 USD
Most Expensive
B
B2C Jewels
25206176 · Nov 2
€785 EUR
$881 USD
View
1 more retailer has this diamond
Prices start from €717 EURSave up to €69 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.

B+
0.50ct Radiant
€717 EUR