CaratHunter
Plans
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 $689 CAD
As of November 5, 2026
Save $2,235 CAD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,923 CAD 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 $689 to $2,923, a $2,235 spread on the same certified stone. NZ Jewellers lists it at $2,923. 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
Color
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

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 5
Current: $2,923 CAD|Low: $689 CAD|High: $3,045 CAD|Avg: $1,317 CAD|-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$689 CAD
Retailer 7$892 CAD
Retailer 9$932 CAD
Retailer 8$968 CAD
Retailer 2$1,045 CAD
Retailer 10$1,082 CAD
Retailer 5$1,187 CAD
Retailer 6$1,246 CAD
Retailer 4$2,149 CAD
NZ Jewellers$2,923 CAD

25 data points across 10 retailers

10 retailers$689 CAD to $2,923 CAD

A
Cheapest Retailer
-
$689 CAD
Retailer 2
-
$892 CAD
View
Price last confirmed 2 days ago
A
Retailer 3
-
$932 CAD
View
A
Retailer 4
-
$968 CAD
View
A
Retailer 5
-
$1,045 CAD
View
A
Retailer 6
-
$1,082 CAD
View
A
Retailer 7
-
$1,187 CAD
View
A
Retailer 8
-
$1,246 CAD
View
B
Retailer 9
-
$2,149 CAD
View
Most Expensive
B
NZ Jewellers
5bf6edc4-74f0-4cb3-8d27-e8d8bb1b0a11 · Nov 5
$2,923 CAD
$2,093 USD
View
9 more retailers have this diamond
Prices start from $689 CADSave up to $2,235 CAD

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
$689 CAD