Radiant|Lab Grown|IGI

1.01ct K SI1 Radiant Lab Grown Diamond

ID • K/SI1 • IGI LG380970591

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

Certificate IGI LG380970591

Diamond specifications and retailer prices

From $554 CAD
As of November 6, 2026
Save $1,654 CAD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,208 CAD at NZ Jewellers · As of November 6, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG380970591 or 380970591. Listed at 6 retailers as of November 6, 2026, with prices from $554 to $2,208, a $1,654 spread on the same certified stone. NZ Jewellers lists it at $2,208. 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
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG380970591
Dimensions6.69 × 4.94 × 3.35 mm
L/W Ratio1.35
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.69 mm4.94 mm1.01 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG380970591
Side View
Table 66.5%CrownGirdlePavilionCulet: NoneDepth

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: $2,208 CAD|Low: $532 CAD|High: $2,208 CAD|Avg: $1,085 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 8, 2026
Retailer 2$554 CAD
Retailer 5$620 CAD
Retailer 3$686 CAD
Retailer 6$686 CAD
Retailer 4$1,090 CAD
Retailer 7$1,841 CAD
NZ Jewellers$2,208 CAD

7 data points across 7 retailers

6 retailers$554 CAD to $2,208 CAD

A
Cheapest Retailer
-
$554 CAD
A
Retailer 2
-
$620 CAD
View
B+
Retailer 3
-
$686 CAD
View
Retailer 4
-
$686 CAD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$1,090 CAD
View
Most Expensive
B
NZ Jewellers
dd3885bc-5ce7-4690-9e9a-92e743a80347 · Nov 6
$2,208 CAD
$1,570 USD
View
5 more retailers have this diamond
Prices start from $554 CADSave up to $1,654 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
1.01ct Radiant
$554 CAD