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Radiant|Lab Grown|IGI

1.16ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG623426606

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

Certificate IGI LG623426606

Diamond specifications and retailer prices

From $774 CAD
As of November 5, 2026
Save $197 CAD (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $971 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623426606 or 623426606. Listed at 2 retailers as of November 5, 2026, with prices from $774 to $971, a $197 spread on the same certified stone. Brilliant Earth lists it at $971. 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

1.16
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623426606
Dimensions7.45 × 5.13 × 3.47 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.45 mm5.13 mm1.16 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623426606
Side View
Table 67.0%Crown 48.2°Girdle: MediumPavilion 34°Culet: NoneDepth 67.6%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $971 CAD|Low: $172 CAD|High: $1,758 CAD|Avg: $810 CAD|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 13
June 13, 2026
Retailer 2$172 CAD
Retailer 12$324 CAD
Retailer 6$497 CAD
Retailer 13$536 CAD
Retailer 9$720 CAD
Retailer 10$738 CAD
Retailer 5$761 CAD
Retailer 11$786 CAD
Retailer 7$792 CAD
Retailer 8$793 CAD
Brilliant Earth$971 CAD
Retailer 3$1,148 CAD
Retailer 4$1,730 CAD

52 data points across 13 retailers

2 retailers$774 CAD to $971 CAD

B+
Cheapest Retailer
-
$774 CAD
Most Expensive
B
Brilliant Earth
10031847Y · Nov 6
$971 CAD
$690 USD
View
1 more retailer has this diamond
Prices start from $774 CADSave up to $197 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+
1.16ct Radiant
$774 CAD