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Radiant|Natural|IGI

0.51ct E SI2 Radiant Natural Diamond

VG • E/SI2 • IGI 692555285

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

Certificate IGI 692555285

Diamond specifications and retailer prices

From $341 USD
₹32,502 INR
As of October 30, 2026
Save $1,428 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,769 USD 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 692555285. Listed at 7 retailers as of October 30, 2026, with prices from $341 to $1,769, a $1,428 spread on the same certified stone. NZ Jewellers lists it at $1,769. 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
FluorescenceFaint
Crown angle46.1°
Pavilion angle28.9°
OriginNatural
Grading LabIGI
CertificateIGI 692555285
Dimensions5.36 × 3.93 × 2.57 mm
L/W Ratio1.36
Culet sizePointed
Top View
5.36 mm3.93 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 692555285
Side View
Table 65.0%Crown 46.1°Girdle: Slightly ThickPavilion 28.9°Culet: NoneDepth 65.4%

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: $1,769 USD|Low: $339 USD|High: $1,832 USD|Avg: $791 USD|-3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$341 USD
Retailer 8$529 USD
Retailer 4$578 USD
Retailer 7$593 USD
Retailer 6$649 USD
Retailer 3$697 USD
Retailer 5$1,067 USD
NZ Jewellers$1,769 USD

44 data points across 8 retailers

7 retailers$341 USD to $1,769 USD

A
Cheapest Retailer
-
$341 USD
₹32,502 INR
A
Retailer 2
-
$578 USD
£455 GBP
View
B+
Retailer 3
-
$593 USD
View
B+
Retailer 4
-
$649 USD
View
B+
Retailer 5
-
$697 USD
€664 EUR
View
B
Retailer 6
-
$1,067 USD
£840 GBP
View
Most Expensive
C
NZ Jewellers
64a8f44c-19b9-448a-827f-1c2472b85185 · Oct 30
$1,769 USD
View
6 more retailers have this diamond
Prices start from $341 USDSave up to $1,428 USD

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
$341 USD