Radiant|Natural|IGI

0.51ct E SI2 Radiant Natural Diamond

VG • E/SI2 • IGI 692555290

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

Certificate IGI 692555290

Diamond specifications and retailer prices

From €305 EUR
₹32,502 INR
As of October 30, 2026
Save €1,278 EUR (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,583 EUR at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 692555290. Listed at 7 retailers as of October 30, 2026, with prices from €305 to €1,583, a €1,278 spread on the same certified stone. NZ Jewellers lists it at €1,583. 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
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle43.6°
Pavilion angle32.1°
OriginNatural
Grading LabIGI
CertificateIGI 692555290
Dimensions4.99 × 3.88 × 2.78 mm
L/W Ratio1.29
Culet sizePointed
Top View
4.99 mm3.88 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 692555290
Side View
Table 65.0%Crown 43.6°Girdle: STK-THKPavilion 32.1°Culet: NoneDepth 71.6%

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: Oct 30
Current: €1,583 EUR|Low: €304 EUR|High: €1,640 EUR|Avg: €708 EUR|-3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3€305 EUR
Retailer 8€473 EUR
Retailer 5€518 EUR
Retailer 7€531 EUR
Retailer 6€581 EUR
Retailer 4€624 EUR
Retailer 2€954 EUR
NZ Jewellers€1,583 EUR

45 data points across 8 retailers

7 retailers€305 EUR to €1,583 EUR

A
Cheapest Retailer
-
€305 EUR
₹32,502 INR
A
Retailer 2
-
€518 EUR
£455 GBP
View
B+
Retailer 3
-
€531 EUR
$593 USD
View
B+
Retailer 4
-
€581 EUR
$649 USD
View
B+
Retailer 5
-
€624 EUR
View
B
Retailer 6
-
€954 EUR
£839 GBP
View
Most Expensive
C
NZ Jewellers
3599369e-94a5-43f8-95b4-21d066dc72ed · Oct 30
€1,583 EUR
$1,769 USD
View
6 more retailers have this diamond
Prices start from €305 EURSave up to €1,278 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
€305 EUR