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Radiant|Lab Grown|IGI

5.19ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665219

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

Certificate IGI LG804665219

Diamond specifications and retailer prices

From $12,794 CAD
$9,141 USD
As of October 27, 2026
Save $27,305 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $40,099 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.19ct lab-grown radiant diamond

This 5.19ct 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 LG804665219 or 804665219. Listed at 14 retailers as of October 27, 2026, with prices from $12,794 to $40,099, a $27,305 spread on the same certified stone. Brilliant Earth lists it at $40,099. 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

5.19
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665219
Dimensions11.92 × 8.53 × 5.65 mm
L/W Ratio1.40
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
11.92 mm8.53 mm5.19 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665219
Side View
Table 63.0%Crown 44.8°Girdle: ThickPavilion 33.5°Culet: NoneDepth 66.2%

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: $40,099 CAD|Low: $12,794 CAD|High: $86,383 CAD|Avg: $25,732 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$12,794 CAD
Retailer 10$12,871 CAD
Retailer 5$13,036 CAD
Retailer 3$13,306 CAD
Retailer 13$14,689 CAD
Retailer 14$15,354 CAD
Retailer 11$16,247 CAD
Retailer 7$17,145 CAD
Retailer 9$17,163 CAD
Retailer 6$17,265 CAD
Retailer 2$26,458 CAD
Retailer 4$28,890 CAD
Brilliant Earth$40,099 CAD
Retailer 12$79,833 CAD

34 data points across 14 retailers

14 retailers$12,794 CAD to $40,099 CAD

A+
Cheapest Retailer
-
$12,794 CAD
$9,141 USD
A
Retailer 2
-
$12,871 CAD
$9,196 USD
View
A
Retailer 3
-
$13,036 CAD
$9,314 USD
View
A
Retailer 4
-
$13,306 CAD
$9,507 USD
View
A
Retailer 5
-
$14,689 CAD
$10,495 USD
View
A
Retailer 6
-
$15,354 CAD
$10,970 USD
View
A
Retailer 7
-
$16,247 CAD
$11,608 USD
View
A
Retailer 8
-
$17,145 CAD
$12,250 USD
View
A
Retailer 9
-
$17,163 CAD
$12,263 USD
View
A
Retailer 10
-
$17,265 CAD
$12,336 USD
View
Final sale: no returns
A
Retailer 11
-
$26,458 CAD
£14,885 GBP
View
B+
Retailer 12
-
$28,890 CAD
€19,659 EUR
View
Most Expensive
B
Brilliant Earth
20496739Y · Oct 28
$40,099 CAD
$28,650 USD
View
12 more retailers have this diamond
Prices start from $12,794 CADSave up to $27,305 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+
5.19ct Radiant
$12,794 CAD