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Radiant|Natural|GIA

0.51ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6562792009

Certificate GIA 6562792009

Diamond specifications and retailer prices

From €450 EUR
$505 USD
As of November 2, 2026
Save €1,542 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,992 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter 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 6562792009. Listed at 16 retailers as of November 2, 2026, with prices from €450 to €1,992, a €1,542 spread on the same certified stone. NZ Jewellers lists it at €1,992. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562792009
Dimensions5.59 × 3.98 × 2.64 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
5.59 mm3.98 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562792009
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.5%

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: €1,992 EUR|Low: €450 EUR|High: €1,992 EUR|Avg: €784 EUR
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
Retailer 14
Retailer 15
November 3, 2026
Retailer 3€450 EUR
Retailer 12€478 EUR
Retailer 7€645 EUR
Retailer 10€670 EUR
Retailer 4€744 EUR
Retailer 11€744 EUR
Retailer 6€762 EUR
Retailer 8€767 EUR
Retailer 13€791 EUR
Retailer 2€802 EUR
Retailer 15€808 EUR
Retailer 14€861 EUR
Retailer 5€883 EUR
Retailer 9€1,180 EUR
NZ Jewellers€1,992 EUR

3 data points across 15 retailers

16 retailers€450 EUR to €1,992 EUR

A
Cheapest Retailer
-
€450 EUR
$505 USD
Final sale: no returns
A
Retailer 2
-
€478 EUR
₹51,073 INR
View
A
Retailer 3
-
€608 EUR
A$1,048 AUD
View
B+
Retailer 4
-
€645 EUR
$723 USD
View
B+
Retailer 5
-
€670 EUR
$751 USD
View
B+
Retailer 6
-
€744 EUR
$834 USD
View
B+
Retailer 7
-
€744 EUR
$834 USD
View
B+
Retailer 8
-
€762 EUR
$855 USD
View
B+
Retailer 9
-
€767 EUR
£677 GBP
View
B+
Retailer 10
-
€791 EUR
£699 GBP
View
B+
Retailer 11
-
€802 EUR
$900 USD
View
B+
Retailer 12
-
€808 EUR
£713 GBP
View
B+
Retailer 13
-
€861 EUR
View
B+
Retailer 14
-
€883 EUR
$990 USD
View
B
Retailer 15
-
€1,180 EUR
£1,042 GBP
View
Most Expensive
B
NZ Jewellers
ac43799b-b53f-4c3b-89b1-f5bb1ac9729b · Nov 3
€1,992 EUR
$2,234 USD
View
15 more retailers have this diamond
Prices start from €450 EURSave up to €1,542 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
0.51ct Radiant
€450 EUR