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Radiant|Natural|IGI

0.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • IGI 692555294

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

Certificate IGI 692555294

Diamond specifications and retailer prices

From $597 CAD
₹40,635 INR
As of October 29, 2026
Save $1,919 CAD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,516 CAD at NZ Jewellers · As of October 27, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 692555294. Listed at 7 retailers as of October 27, 2026, with prices from $597 to $2,516, a $1,919 spread on the same certified stone. NZ Jewellers lists it at $2,516. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle32.4°
OriginNatural
Grading LabIGI
CertificateIGI 692555294
Dimensions5.25 × 4.08 × 2.72 mm
L/W Ratio1.29
Culet sizePointed
Top View
5.25 mm4.08 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 692555294
Side View
Table 66.0%Crown 42.6°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 66.7%

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 29
Current: $597 CAD|Low: $593 CAD|High: $1,932 CAD|Avg: $1,106 CAD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 1$597 CAD
Retailer 7$913 CAD
Retailer 6$987 CAD
Retailer 4$1,005 CAD
Retailer 5$1,142 CAD
Retailer 3$1,187 CAD
Retailer 2$1,863 CAD

45 data points across 7 retailers

7 retailers$597 CAD to $2,516 CAD

A
Cheapest Retailer
-
$597 CAD
₹40,635 INR
B+
Retailer 2
-
$987 CAD
$705 USD
View
A
Retailer 3
-
$1,005 CAD
£566 GBP
View
B+
Retailer 4
-
$1,142 CAD
$816 USD
View
B+
Retailer 5
-
$1,187 CAD
€808 EUR
View
B
Retailer 6
-
$1,863 CAD
£1,048 GBP
View
Most Expensive
B
NZ Jewellers
eb0ea19e-556b-4bfb-8a67-c25abd743aa2 · Oct 27
$2,516 CAD
$1,798 USD
View
6 more retailers have this diamond
Prices start from $597 CADSave up to $1,919 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
$597 CAD