Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG678577836

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

Certificate IGI LG678577836

Diamond specifications and retailer prices

From $827 CAD
$592 USD
As of November 1, 2026
Save $291 CAD (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,118 CAD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678577836 or 678577836. Listed at 2 retailers as of October 31, 2026, with prices from $827 to $1,118, a $291 spread on the same certified stone. Diamond Quarter lists it at $1,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678577836
Dimensions8.58 × 5.68 × 3.92 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.58 mm5.68 mm1.64 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678577836
Side View
Table 65.0%Crown 41.5°Girdle: MediumPavilion 36.5°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $827 CAD|Low: $806 CAD|High: $3,408 CAD|Avg: $2,168 CAD|-33.0%
Retailer 1
Retailer 2
Retailer 3
September 23, 2026
Retailer 1$827 CAD
Retailer 2$1,653 CAD
Retailer 3$3,408 CAD

6 data points across 3 retailers

2 retailers$827 CAD to $1,118 CAD

A
Cheapest Retailer
-
$827 CAD
$592 USD
Most Expensive
B+
Diamond Quarter
1.64VS1FLG36B691N · Oct 31
$1,118 CAD
£630 GBP
View
1 more retailer has this diamond
Prices start from $827 CADSave up to $291 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
1.64ct Radiant
$827 CAD