Radiant|Natural|IGI

0.51ct G SI1 Radiant Natural Diamond

VG • G/SI1 • IGI 763646284

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

Certificate IGI 763646284

Diamond specifications and retailer prices

From €265 EUR
As of November 6, 2026
Save €1,094 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,360 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 763646284. Listed at 13 retailers as of November 5, 2026, with prices from €265 to €1,360, a €1,094 spread on the same certified stone. NZ Jewellers lists it at €1,360. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle39.5°
Pavilion angle33.8°
OriginNatural
Grading LabIGI
CertificateIGI 763646284
Dimensions5.28 × 4.07 × 2.69 mm
L/W Ratio1.30
Culet sizePointed
Top View
5.28 mm4.07 mm0.51 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateIGI 763646284
Side View
Table 72.0%Crown 39.5°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,360 EUR|Low: €265 EUR|High: €1,675 EUR|Avg: €687 EUR|-18.8%
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
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 10€265 EUR
Retailer 16€355 EUR
Retailer 3€382 EUR
Retailer 9€382 EUR
Retailer 4€409 EUR
Retailer 11€433 EUR
Retailer 5€438 EUR
Retailer 14€444 EUR
Retailer 2€476 EUR
Retailer 8€484 EUR
Retailer 15€546 EUR
Retailer 13€550 EUR
Retailer 12€640 EUR
Retailer 7€959 EUR
Retailer 6€1,021 EUR
NZ Jewellers€1,360 EUR

26 data points across 16 retailers

13 retailers€265 EUR to €1,360 EUR

A
Cheapest Retailer
-
€265 EUR
B+
Retailer 2
-
€355 EUR
View
B+
Retailer 3
-
€382 EUR
View
B+
Retailer 4
-
€382 EUR
View
B+
Retailer 5
-
€409 EUR
View
A
Retailer 6
-
€433 EUR
View
Retailer 7
-
€438 EUR
View
Price last confirmed 24 days ago
B+
Retailer 8
-
€444 EUR
View
B+
Retailer 9
-
€476 EUR
View
B+
Retailer 10
-
€546 EUR
View
B+
Retailer 11
-
€550 EUR
View
B+
Retailer 12
-
€640 EUR
View
Most Expensive
C
NZ Jewellers
bb5d70b2-dff2-4582-96c6-01a1bd36627f · Nov 5
€1,360 EUR
$1,518 USD
View
12 more retailers have this diamond
Prices start from €265 EURSave up to €1,094 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
€265 EUR