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Radiant|Lab Grown|IGI

1.09ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG529266600

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

Certificate IGI LG529266600

Diamond specifications and retailer prices

From $217 CAD
$155 USD
As of October 30, 2026
Save $1,099 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,316 CAD at Brilliant Earth · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529266600 or 529266600. Listed at 17 retailers as of October 29, 2026, with prices from $217 to $1,316, a $1,099 spread on the same certified stone. Brilliant Earth lists it at $1,316. 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

1.09
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529266600
Dimensions7.35 × 5.16 × 3.42 mm
L/W Ratio1.42
Culet sizePointed
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
7.35 mm5.16 mm1.09 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529266600
Side View
Table 64.0%Crown 40.6°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,316 CAD|Low: $214 CAD|High: $1,316 CAD|Avg: $565 CAD
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
October 30, 2026
Retailer 4$217 CAD
Retailer 5$242 CAD
Retailer 17$252 CAD
Retailer 11$269 CAD
Retailer 9$277 CAD
Retailer 2$360 CAD
Retailer 16$364 CAD
Retailer 3$451 CAD
Retailer 10$470 CAD
Retailer 15$510 CAD
Retailer 6$517 CAD
Retailer 13$613 CAD
Retailer 7$693 CAD
Retailer 8$721 CAD
Retailer 14$864 CAD
Retailer 12$1,262 CAD
Brilliant Earth$1,316 CAD

45 data points across 17 retailers

17 retailers$217 CAD to $1,316 CAD

A
Cheapest Retailer
-
$217 CAD
$155 USD
A
Retailer 2
-
$242 CAD
$173 USD
View
Final sale: no returns
A
Retailer 3
-
$252 CAD
$180 USD
View
A
Retailer 4
-
$269 CAD
$192 USD
View
A
Retailer 5
-
$277 CAD
$198 USD
View
A
Retailer 6
-
$360 CAD
£202 GBP
View
B+
Retailer 7
-
$364 CAD
$260 USD
View
A
Retailer 8
-
$451 CAD
$322 USD
View
A
Retailer 9
-
$470 CAD
£264 GBP
View
A
Retailer 10
-
$510 CAD
£287 GBP
View
A
Retailer 11
-
$517 CAD
€352 EUR
View
B+
Retailer 12
-
$613 CAD
$438 USD
View
Retailer 13
-
$693 CAD
$495 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$721 CAD
$515 USD
View
B+
Retailer 15
-
$864 CAD
$617 USD
View
B
Retailer 16
-
$1,262 CAD
£710 GBP
View
Most Expensive
B
Brilliant Earth
11259460A · Oct 29
$1,316 CAD
$940 USD
View
16 more retailers have this diamond
Prices start from $217 CADSave up to $1,099 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
$217 CAD