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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 $416 CAD
As of November 6, 2026
Save $1,719 CAD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,135 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 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 $416 to $2,135, a $1,719 spread on the same certified stone. NZ Jewellers lists it at $2,135. 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
Color
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

How it works →
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: $2,135 CAD|Low: $416 CAD|High: $2,630 CAD|Avg: $1,078 CAD|-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$416 CAD
Retailer 16$557 CAD
Retailer 3$601 CAD
Retailer 9$601 CAD
Retailer 4$643 CAD
Retailer 11$679 CAD
Retailer 5$688 CAD
Retailer 14$698 CAD
Retailer 2$747 CAD
Retailer 8$760 CAD
Retailer 15$858 CAD
Retailer 13$864 CAD
Retailer 12$1,006 CAD
Retailer 7$1,506 CAD
Retailer 6$1,604 CAD
NZ Jewellers$2,135 CAD

26 data points across 16 retailers

13 retailers$416 CAD to $2,135 CAD

A
Cheapest Retailer
-
$416 CAD
B+
Retailer 2
-
$557 CAD
View
B+
Retailer 3
-
$601 CAD
View
B+
Retailer 4
-
$601 CAD
View
B+
Retailer 5
-
$643 CAD
View
A
Retailer 6
-
$679 CAD
View
Retailer 7
-
$688 CAD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$698 CAD
View
B+
Retailer 9
-
$747 CAD
View
B+
Retailer 10
-
$858 CAD
View
B+
Retailer 11
-
$864 CAD
View
B+
Retailer 12
-
$1,006 CAD
View
Most Expensive
C
NZ Jewellers
bb5d70b2-dff2-4582-96c6-01a1bd36627f · Nov 5
$2,135 CAD
$1,518 USD
View
12 more retailers have this diamond
Prices start from $416 CADSave up to $1,719 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
$416 CAD