Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831604024

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

Certificate IGI LG831604024

Diamond specifications and retailer prices

From $349 CAD
$250 USD
As of November 2, 2026
Save $2,809 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,158 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604024 or 831604024. Listed at 22 retailers as of November 2, 2026, with prices from $349 to $3,158, a $2,809 spread on the same certified stone. Brilliant Earth lists it at $3,158. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604024
Dimensions7.72 × 5.14 × 3.34 mm
L/W Ratio1.50
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.14 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604024
Side View
Table 63.0%Crown 36.4°Girdle: THN-MEDPavilion 36.1°Culet: NoneDepth 65.0%

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: $3,158 CAD|Low: $349 CAD|High: $3,969 CAD|Avg: $1,262 CAD|-20.4%
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 17$349 CAD
Retailer 9$390 CAD
Retailer 8$405 CAD
Retailer 20$433 CAD
Retailer 16$446 CAD
Retailer 6$483 CAD
Retailer 14$594 CAD
Retailer 18$748 CAD
Retailer 3$757 CAD
Retailer 10$776 CAD
Retailer 2$824 CAD
Retailer 4$899 CAD
Retailer 5$911 CAD
Retailer 15$1,048 CAD
Retailer 11$1,164 CAD
Retailer 21$1,392 CAD
Retailer 7$1,464 CAD
Retailer 12$1,516 CAD
Retailer 13$1,736 CAD
Retailer 19$1,891 CAD
Brilliant Earth$3,158 CAD

31 data points across 21 retailers

22 retailers$349 CAD to $3,158 CAD

A
Cheapest Retailer
-
$349 CAD
$250 USD
A
Retailer 2
-
$390 CAD
$279 USD
View
Final sale: no returns
A
Retailer 3
-
$405 CAD
$290 USD
View
A
Retailer 4
-
$433 CAD
$310 USD
View
A
Retailer 5
-
$446 CAD
£251 GBP
View
A
Retailer 6
-
$483 CAD
HK$2,700 HKD
View
Retailer 7
-
$563 CAD
$403 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$594 CAD
$425 USD
View
A
Retailer 9
-
$748 CAD
ZAR 8,644 ZAR
View
A
Retailer 10
-
$757 CAD
$542 USD
View
A
Retailer 11
-
$776 CAD
$555 USD
View
A
Retailer 12
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$824 CAD
£464 GBP
View
B+
Retailer 13
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$899 CAD
$643 USD
View
B+
Retailer 14
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$911 CAD
€621 EUR
View
B+
Retailer 15
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$1,048 CAD
$750 USD
View
B+
Retailer 16
-
$1,164 CAD
SGD 1,126 SGD
View
B+
Retailer 17
-
$1,392 CAD
$996 USD
View
B+
Retailer 18
-
$1,464 CAD
$1,048 USD
View
B
Retailer 19
-
$1,516 CAD
$1,085 USD
View
B+
Retailer 20
-
$1,736 CAD
£978 GBP
View
B
Retailer 21
-
$1,891 CAD
$1,353 USD
View
Most Expensive
B
Brilliant Earth
21605275A · Nov 2
$3,158 CAD
$2,260 USD
View
21 more retailers have this diamond
Prices start from $349 CADSave up to $2,809 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
1.09ct Radiant
$349 CAD