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Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG778670775

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

Certificate IGI LG778670775

Diamond specifications and retailer prices

From $281 CAD
$201 USD
As of October 30, 2026
Save $1,563 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,844 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct 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 LG778670775 or 778670775. Listed at 21 retailers as of October 30, 2026, with prices from $281 to $1,844, a $1,563 spread on the same certified stone. Brilliant Earth lists it at $1,844. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778670775
Dimensions8.35 × 3.62 mm
L/W Ratio2.31
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm3.62 mm1.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778670775
Side View
Table 70.0%Crown 44.9°Girdle: STK-THKPavilion 32°Culet: NoneDepth 62.0%

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: Oct 30
Current: $1,844 CAD|Low: $272 CAD|High: $2,151 CAD|Avg: $871 CAD|-13.7%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 15$281 CAD
Retailer 14$313 CAD
Retailer 8$327 CAD
Retailer 20$348 CAD
Retailer 11$351 CAD
Retailer 5$601 CAD
Retailer 16$605 CAD
Retailer 17$639 CAD
Retailer 9$761 CAD
Retailer 13$814 CAD
Retailer 6$816 CAD
Retailer 2$907 CAD
Retailer 12$1,126 CAD
Retailer 10$1,137 CAD
Retailer 19$1,194 CAD
Retailer 3$1,238 CAD
Retailer 4$1,376 CAD
Retailer 18$1,400 CAD
Retailer 7$1,639 CAD
Brilliant Earth$1,844 CAD

28 data points across 20 retailers

21 retailers$281 CAD to $1,844 CAD

A
Cheapest Retailer
-
$281 CAD
$201 USD
A
Retailer 2
-
$313 CAD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$327 CAD
$234 USD
View
A
Retailer 4
-
$348 CAD
$249 USD
View
A
Retailer 5
-
$351 CAD
$251 USD
View
A
Retailer 6
-
$601 CAD
ZAR 6,954 ZAR
View
B+
Retailer 7
-
$605 CAD
$433 USD
View
A
Retailer 8
-
$639 CAD
£360 GBP
View
A
Retailer 9
-
$761 CAD
$545 USD
View
A
Retailer 10
-
$814 CAD
$583 USD
View
A
Retailer 11
-
$816 CAD
A$899 AUD
View
B+
Retailer 12
-
$907 CAD
$649 USD
View
B+
Retailer 13
-
$1,126 CAD
$806 USD
View
B+
Retailer 14
-
$1,137 CAD
SGD 1,100 SGD
View
B+
Retailer 15
-
$1,194 CAD
$855 USD
View
B+
Retailer 16
-
$1,238 CAD
A$1,364 AUD
View
B+
Retailer 17
-
$1,376 CAD
$985 USD
View
B+
Retailer 18
-
$1,400 CAD
$1,002 USD
View
B
Retailer 19
-
$1,435 CAD
$1,027 USD
View
B
Retailer 20
-
$1,639 CAD
£924 GBP
View
Most Expensive
B
Brilliant Earth
21501264A · Oct 30
$1,844 CAD
$1,320 USD
View
20 more retailers have this diamond
Prices start from $281 CADSave up to $1,563 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
1.58ct Radiant
$281 CAD