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Radiant|Natural|GIA

0.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 3545406971

Certificate GIA 3545406971

Diamond specifications and retailer prices

From €475 EUR
SGD 717 SGD
As of November 5, 2026
1 retailer carries this diamond
Only listing: €475 EUR at Fonder Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Fonder Diamond

About this 0.51ct natural radiant diamond

This 0.51ct 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 3545406971. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 3545406971
Dimensions5.57 × 4.14 × 2.74 mm
L/W Ratio1.35
Top View
5.57 mm4.14 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545406971
Side View
Table 67.0%CrownGirdle: MED-THKPavilion 37.2°Culet: NoneDepth 66.3%

Caratlytics Score

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

Last verified: Nov 5
Current: €475 EUR|Low: €344 EUR|High: €633 EUR|Avg: €508 EUR|+0.3%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4€344 EUR
Retailer 7€453 EUR
Fonder Diamond€475 EUR
Retailer 6€489 EUR
Retailer 2€501 EUR
Retailer 3€519 EUR
Retailer 9€524 EUR
Retailer 10€569 EUR
Retailer 8€574 EUR
Retailer 5€633 EUR

6 data points across 10 retailers

1 retailer

B+
Fonder Diamond
455335460 · Nov 5
€475 EUR
SGD 717 SGD
View

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+
0.51ct Radiant
€475 EUR