Radiant|Natural|IGI

0.51ct G IF Radiant Natural Diamond

EX • G/IF • IGI 815625591

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 815625591

Diamond specifications and retailer prices

From €439 EUR
As of November 5, 2026
Save €1,426 EUR (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,865 EUR at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 815625591. Listed at 10 retailers as of November 5, 2026, with prices from €439 to €1,865, a €1,426 spread on the same certified stone. NZ Jewellers lists it at €1,865. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 815625591
Dimensions5.61 × 3.95 × 2.65 mm
L/W Ratio1.42
Top View
5.61 mm3.95 mm0.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815625591
Side View
Table 64.0%Crown 47.1°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €1,865 EUR|Low: €439 EUR|High: €1,942 EUR|Avg: €840 EUR|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3€439 EUR
Retailer 7€569 EUR
Retailer 9€594 EUR
Retailer 8€617 EUR
Retailer 2€666 EUR
Retailer 10€690 EUR
Retailer 5€757 EUR
Retailer 6€795 EUR
Retailer 4€1,371 EUR
NZ Jewellers€1,865 EUR

25 data points across 10 retailers

10 retailers€439 EUR to €1,865 EUR

A
Cheapest Retailer
-
€439 EUR
Retailer 2
-
€569 EUR
View
Price last confirmed 3 days ago
A
Retailer 3
-
€594 EUR
View
A
Retailer 4
-
€617 EUR
View
A
Retailer 5
-
€666 EUR
View
A
Retailer 6
-
€690 EUR
View
A
Retailer 7
-
€757 EUR
View
A
Retailer 8
-
€795 EUR
View
B
Retailer 9
-
€1,371 EUR
View
Most Expensive
B
NZ Jewellers
5bf6edc4-74f0-4cb3-8d27-e8d8bb1b0a11 · Nov 5
€1,865 EUR
$2,093 USD
View
9 more retailers have this diamond
Prices start from €439 EURSave up to €1,426 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
€439 EUR