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Radiant|Lab Grown|IGI

1.03ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG472171381

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

Certificate IGI LG472171381

Diamond specifications and retailer prices

From $887 CAD
$634 USD
As of October 27, 2026
Save $1,744 CAD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,896 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG472171381 or 472171381. Listed at 12 retailers as of October 26, 2026, with a 197% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.03
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472171381
Dimensions6.46 × 5.10 × 3.47 mm
L/W Ratio1.27
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.46 mm5.10 mm1.03 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472171381
Side View
Table 62.5%Crown 41.7°Girdle: Slightly ThickPavilion 30.3°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,896 CAD|Low: $708 CAD|High: $4,390 CAD|Avg: $1,699 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 8$887 CAD
Retailer 12$966 CAD
Retailer 4$994 CAD
Retailer 3$1,030 CAD
Retailer 10$1,030 CAD
Retailer 9$1,260 CAD
Retailer 2$1,479 CAD
Retailer 5$1,637 CAD
Retailer 11$1,682 CAD
Retailer 7$2,631 CAD
NZ Jewellers$2,896 CAD
Retailer 6$4,344 CAD

42 data points across 12 retailers

12 retailers$887 CAD to $2,631 CAD

B+
Cheapest Retailer
-
$887 CAD
$634 USD
B
Retailer 2
-
$966 CAD
$690 USD
View
B
Retailer 3
-
$994 CAD
$710 USD
View
Final sale: no returns
B
Retailer 4
-
$1,030 CAD
$736 USD
View
Price last confirmed 13 days ago
B
Retailer 5
-
$1,030 CAD
$736 USD
View
B
Retailer 6
-
$1,260 CAD
$900 USD
View
B
Retailer 7
-
$1,479 CAD
£832 GBP
View
B
Retailer 8
-
$1,637 CAD
£921 GBP
View
B
Retailer 9
-
$1,682 CAD
$1,202 USD
View
B
Retailer 10
-
$2,631 CAD
$1,880 USD
View
Most Expensive
B
NZ Jewellers
778fde8f-ec66-46ae-9a88-26e73e576dcc · Oct 28
$2,896 CAD
$2,069 USD
View
Price under review
10 more retailers have this diamond
Prices start from $887 CADSave up to $1,744 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.

B+
1.03ct Radiant
$887 CAD