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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG629440726

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

Certificate IGI LG629440726

Diamond specifications and retailer prices

From $281 CAD
$201 USD
As of November 2, 2026
Save $1,350 CAD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,631 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629440726 or 629440726. Listed at 15 retailers as of November 1, 2026, with prices from $281 to $1,631, a $1,350 spread on the same certified stone. MOH London lists it at $1,631. 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

1.61
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629440726
Dimensions8.39 × 5.86 × 3.86 mm
L/W Ratio1.43
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
8.39 mm5.86 mm1.61 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629440726
Side View
Table 64.0%Crown 42.7°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.9%

Caratlytics Score

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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 2
Current: $1,631 CAD|Low: $279 CAD|High: $1,631 CAD|Avg: $691 CAD|+12.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 5$281 CAD
Retailer 6$314 CAD
Retailer 3$326 CAD
Retailer 11$349 CAD
Retailer 7$361 CAD
Retailer 15$468 CAD
Retailer 2$635 CAD
Retailer 8$640 CAD
Retailer 12$713 CAD
Retailer 4$720 CAD
Retailer 10$900 CAD
Retailer 13$1,121 CAD
Retailer 14$1,307 CAD
Retailer 9$1,495 CAD
MOH London$1,631 CAD

45 data points across 15 retailers

15 retailers$281 CAD to $1,631 CAD

A
Cheapest Retailer
-
$281 CAD
$201 USD
A
Retailer 2
-
$314 CAD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$326 CAD
$233 USD
View
A
Retailer 4
-
$349 CAD
$250 USD
View
Retailer 5
-
$361 CAD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$468 CAD
$335 USD
View
A
Retailer 7
-
$635 CAD
€433 EUR
View
A
Retailer 8
-
$640 CAD
£361 GBP
View
A
Retailer 9
-
$713 CAD
$510 USD
View
A
Retailer 10
-
$720 CAD
$515 USD
View
B+
Retailer 11
-
$900 CAD
$644 USD
View
B+
Retailer 12
-
$1,121 CAD
$802 USD
View
B+
Retailer 13
-
$1,307 CAD
$935 USD
View
B
Retailer 14
-
$1,495 CAD
$1,070 USD
View
Most Expensive
B
MOH London
LG629440726 · Nov 1
$1,631 CAD
£919 GBP
View
14 more retailers have this diamond
Prices start from $281 CADSave up to $1,350 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
1.61ct Radiant
$281 CAD