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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754594007

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

Certificate IGI LG754594007

Diamond specifications and retailer prices

From $379 CAD
$271 USD
As of October 30, 2026
Save $4,161 CAD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,540 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594007 or 754594007. Listed at 17 retailers as of October 30, 2026, with prices from $379 to $4,540, a $4,161 spread on the same certified stone. Brilliant Earth lists it at $4,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594007
Dimensions8.43 × 8.43 × 5.74 mm
L/W Ratio1.00
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
8.43 mm8.43 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594007
Side View
Table 59.0%Crown 42.8°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 66.9%

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: Oct 30
Current: $4,540 CAD|Low: $337 CAD|High: $6,677 CAD|Avg: $1,808 CAD|-32.0%
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 31, 2026
Retailer 12$379 CAD
Retailer 5$439 CAD
Retailer 9$472 CAD
Retailer 13$715 CAD
Retailer 7$775 CAD
Retailer 16$778 CAD
Retailer 2$862 CAD
Retailer 3$1,217 CAD
Retailer 8$1,247 CAD
Retailer 15$1,443 CAD
Retailer 4$1,494 CAD
Retailer 17$1,667 CAD
Retailer 11$2,088 CAD
Retailer 10$2,407 CAD
Retailer 14$3,367 CAD
Retailer 6$3,890 CAD
Brilliant Earth$4,540 CAD

36 data points across 17 retailers

17 retailers$379 CAD to $4,540 CAD

A
Cheapest Retailer
-
$379 CAD
$271 USD
A
Retailer 2
-
$439 CAD
$314 USD
View
A
Retailer 3
-
$472 CAD
$338 USD
View
Final sale: no returns
A
Retailer 4
-
$715 CAD
$512 USD
View
A
Retailer 5
-
$775 CAD
$555 USD
View
A
Retailer 6
-
$778 CAD
$557 USD
View
A
Retailer 7
-
$862 CAD
€588 EUR
View
A
Retailer 8
-
$1,217 CAD
A$1,340 AUD
View
A
Retailer 9
-
$1,247 CAD
$893 USD
View
B+
Retailer 10
-
$1,443 CAD
$1,033 USD
View
A
Retailer 11
-
$1,494 CAD
$1,070 USD
View
B+
Retailer 12
-
$1,667 CAD
$1,193 USD
View
B+
Retailer 13
-
$2,088 CAD
£1,177 GBP
View
B+
Retailer 14
-
$2,407 CAD
A$2,651 AUD
View
B
Retailer 15
-
$3,367 CAD
$2,410 USD
View
B
Retailer 16
-
$3,890 CAD
$2,785 USD
View
Most Expensive
B
Brilliant Earth
17388414Y · Oct 30
$4,540 CAD
$3,250 USD
View
16 more retailers have this diamond
Prices start from $379 CADSave up to $4,161 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
1.61ct Radiant
$379 CAD