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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG472170773

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

Certificate IGI LG472170773

Diamond specifications and retailer prices

From $1,016 CAD
As of November 6, 2026
Save $896 CAD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,314 CAD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1ct lab-grown radiant diamond

This 1ct 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 LG472170773 or 472170773. Listed at 12 retailers as of November 6, 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472170773
Dimensions6.62 × 5.12 × 3.29 mm
L/W Ratio1.29
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
6.62 mm5.12 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472170773
Side View
Table 68.5%Crown 41.7°Girdle: MED-STKPavilion 31°Culet: NoneDepth 64.3%

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: Nov 6
Current: $3,314 CAD|Low: $975 CAD|High: $4,688 CAD|Avg: $1,946 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$1,016 CAD
Retailer 11$1,106 CAD
Retailer 3$1,137 CAD
Retailer 9$1,179 CAD
Retailer 8$1,421 CAD
Retailer 5$1,428 CAD
Retailer 2$1,871 CAD
Retailer 10$1,912 CAD
Retailer 6$2,903 CAD
NZ Jewellers$3,314 CAD
Retailer 4$4,628 CAD

44 data points across 11 retailers

12 retailers$1,016 CAD to $1,912 CAD

B+
Cheapest Retailer
-
$1,016 CAD
B
Retailer 2
-
$1,106 CAD
View
B
Retailer 3
-
$1,137 CAD
View
Final sale: no returns
Retailer 4
-
$1,179 CAD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$1,179 CAD
View
B
Retailer 6
-
$1,421 CAD
View
B
Retailer 7
-
$1,428 CAD
View
B
Retailer 8
-
$1,871 CAD
View
B
Retailer 9
-
$1,912 CAD
View
Retailer 10
-
$2,903 CAD
View
Price under review
Most Expensive
NZ Jewellers
7693c38d-db1f-4306-a8c8-0bd39cf2f50c · Nov 6
$3,314 CAD
$2,356 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,016 CADSave up to $896 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+
1.00ct Radiant
$1,016 CAD