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Radiant|Lab Grown|IGI

5.11ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784642156

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

Certificate IGI LG784642156

Diamond specifications and retailer prices

From $12,601 CAD
$9,003 USD
As of October 27, 2026
Save $26,882 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $39,483 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.11ct lab-grown radiant diamond

This 5.11ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642156 or 784642156. Listed at 14 retailers as of October 27, 2026, with prices from $12,601 to $39,483, a $26,882 spread on the same certified stone. Brilliant Earth lists it at $39,483. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.11
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642156
Dimensions12.04 × 8.60 × 5.73 mm
L/W Ratio1.40
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
12.04 mm8.60 mm5.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642156
Side View
Table 64.0%Crown 39.8°Girdle: ThickPavilion 34.8°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $39,483 CAD|Low: $12,601 CAD|High: $85,082 CAD|Avg: $24,910 CAD|-3.0%
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
October 29, 2026
Retailer 8$12,601 CAD
Retailer 10$12,679 CAD
Retailer 5$12,836 CAD
Retailer 3$13,104 CAD
Retailer 13$14,472 CAD
Retailer 14$15,121 CAD
Retailer 11$16,002 CAD
Retailer 9$16,907 CAD
Retailer 7$16,963 CAD
Retailer 6$17,005 CAD
Retailer 2$26,058 CAD
Retailer 4$28,447 CAD
Brilliant Earth$39,483 CAD
Retailer 12$78,630 CAD

35 data points across 14 retailers

14 retailers$12,601 CAD to $39,483 CAD

A+
Cheapest Retailer
-
$12,601 CAD
$9,003 USD
A
Retailer 2
-
$12,679 CAD
$9,059 USD
View
A
Retailer 3
-
$12,836 CAD
$9,171 USD
View
A
Retailer 4
-
$13,104 CAD
$9,363 USD
View
A
Retailer 5
-
$14,472 CAD
$10,340 USD
View
A
Retailer 6
-
$15,121 CAD
$10,804 USD
View
A
Retailer 7
-
$16,002 CAD
$11,433 USD
View
A
Retailer 8
-
$16,907 CAD
$12,080 USD
View
A
Retailer 9
-
$16,963 CAD
$12,120 USD
View
A
Retailer 10
-
$17,005 CAD
$12,150 USD
View
Final sale: no returns
A
Retailer 11
-
$26,058 CAD
£14,660 GBP
View
B+
Retailer 12
-
$28,447 CAD
€19,357 EUR
View
Most Expensive
B
Brilliant Earth
19065937Y · Oct 29
$39,483 CAD
$28,210 USD
View
12 more retailers have this diamond
Prices start from $12,601 CADSave up to $26,882 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+
5.11ct Radiant
$12,601 CAD