Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG817693445

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

Certificate IGI LG817693445

Diamond specifications and retailer prices

From $535 CAD
$383 USD
As of November 2, 2026
Save $3,433 CAD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,969 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 LG817693445 or 817693445. Listed at 22 retailers as of November 2, 2026, with prices from $535 to $3,969, a $3,433 spread on the same certified stone. Brilliant Earth lists it at $3,969. 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 angle40.3°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693445
Dimensions7.52 × 5.14 × 3.30 mm
L/W Ratio1.46
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
7.52 mm5.14 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693445
Side View
Table 63.0%Crown 40.3°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 64.2%

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: $3,969 CAD|Low: $528 CAD|High: $3,969 CAD|Avg: $1,446 CAD
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 5$535 CAD
Retailer 8$598 CAD
Retailer 20$599 CAD
Retailer 4$664 CAD
Retailer 7$664 CAD
Retailer 16$683 CAD
Retailer 19$733 CAD
Retailer 18$873 CAD
Retailer 3$963 CAD
Retailer 9$1,055 CAD
Retailer 15$1,062 CAD
Retailer 17$1,145 CAD
Retailer 2$1,201 CAD
Retailer 12$1,761 CAD
Retailer 21$1,861 CAD
Retailer 10$1,938 CAD
Retailer 6$2,134 CAD
Retailer 14$2,186 CAD
Retailer 11$2,484 CAD
Retailer 13$2,593 CAD
Brilliant Earth$3,969 CAD

35 data points across 21 retailers

22 retailers$535 CAD to $3,969 CAD

A
Cheapest Retailer
-
$535 CAD
$383 USD
A
Retailer 2
-
$598 CAD
$428 USD
View
Final sale: no returns
A
Retailer 3
-
$599 CAD
$429 USD
View
Retailer 4
-
$664 CAD
$475 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$664 CAD
$475 USD
View
A
Retailer 6
-
$683 CAD
£385 GBP
View
A
Retailer 7
-
$733 CAD
HK$4,100 HKD
View
A
Retailer 8
-
$873 CAD
$625 USD
View
B+
Retailer 9
-
$963 CAD
$689 USD
View
B+
Retailer 10
-
$1,055 CAD
$755 USD
View
B+
Retailer 11
-
$1,062 CAD
€724 EUR
View
B+
Retailer 12
-
$1,145 CAD
ZAR 13,232 ZAR
View
B+
Retailer 13
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$1,201 CAD
£677 GBP
View
B
Retailer 14
-
$1,761 CAD
SGD 1,703 SGD
View
B+
Retailer 15
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$1,861 CAD
$1,332 USD
View
B
Retailer 16
-
$1,938 CAD
£1,092 GBP
View
B
Retailer 17
-
$2,134 CAD
$1,527 USD
View
B
Retailer 18
-
$2,186 CAD
$1,565 USD
View
B
Retailer 19
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$2,484 CAD
$1,778 USD
View
B
Retailer 20
-
$2,593 CAD
£1,461 GBP
View
B
Retailer 21
-
$3,200 CAD
$2,290 USD
View
Most Expensive
B
Brilliant Earth
20860153A · Nov 2
$3,969 CAD
$2,840 USD
View
21 more retailers have this diamond
Prices start from $535 CADSave up to $3,433 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
$535 CAD