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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG474116512

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

Certificate IGI LG474116512

Diamond specifications and retailer prices

From $1,020 CAD
$729 USD
As of October 30, 2026
Save $899 CAD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,328 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116512 or 474116512. Listed at 12 retailers as of October 30, 2026, with a 88% 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.5°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116512
Dimensions6.50 × 4.96 × 3.37 mm
L/W Ratio1.31
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
6.50 mm4.96 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116512
Side View
Table 63.5%Crown 51.5°Girdle: MediumPavilion 30.9°Culet: NoneDepth 67.9%

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 30
Current: $3,328 CAD|Low: $815 CAD|High: $4,705 CAD|Avg: $2,095 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$1,142 CAD
Retailer 7$1,184 CAD
Retailer 6$1,428 CAD
Retailer 4$1,435 CAD
Retailer 2$1,900 CAD
Retailer 8$1,919 CAD
Retailer 5$2,917 CAD
NZ Jewellers$3,328 CAD
Retailer 3$4,675 CAD

42 data points across 9 retailers

12 retailers$1,020 CAD to $1,919 CAD

B+
Cheapest Retailer
-
$1,020 CAD
$729 USD
B
Retailer 2
-
$1,110 CAD
$793 USD
View
B
Retailer 3
-
$1,142 CAD
$816 USD
View
Final sale: no returns
Retailer 4
-
$1,184 CAD
$846 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
$1,184 CAD
$846 USD
View
B
Retailer 6
-
$1,428 CAD
$1,020 USD
View
B
Retailer 7
-
$1,435 CAD
$1,025 USD
View
B
Retailer 8
-
$1,900 CAD
£1,069 GBP
View
B
Retailer 9
-
$1,919 CAD
$1,371 USD
View
Retailer 10
-
$2,917 CAD
$2,084 USD
View
Price under review
Most Expensive
NZ Jewellers
ae1965fb-e8be-4d04-b242-c0bef01d2dc5 · Oct 28
$3,328 CAD
$2,378 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,020 CADSave up to $899 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+
1.01ct Radiant
$1,020 CAD