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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644672

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

Certificate IGI LG784644672

Diamond specifications and retailer prices

From $12,577 CAD
$8,986 USD
As of October 27, 2026
Save $28,066 CAD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $40,643 CAD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 5.1ct lab-grown radiant diamond

This 5.1ct 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 LG784644672 or 784644672. Listed at 15 retailers as of October 27, 2026, with prices from $12,577 to $40,643, a $28,066 spread on the same certified stone. Frank Darling lists it at $40,643. 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

5.10
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644672
Dimensions12.06 × 8.45 × 5.88 mm
L/W Ratio1.43
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
12.06 mm8.45 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644672
Side View
Table 67.0%Crown 40.9°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 69.6%

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: $40,643 CAD|Low: $12,577 CAD|High: $84,914 CAD|Avg: $25,397 CAD|-12.5%
Frank Darling
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
October 29, 2026
Retailer 9$12,577 CAD
Retailer 11$12,655 CAD
Retailer 5$12,811 CAD
Retailer 3$13,081 CAD
Retailer 14$14,444 CAD
Retailer 15$15,092 CAD
Retailer 12$15,971 CAD
Retailer 10$16,875 CAD
Retailer 8$16,942 CAD
Retailer 7$16,972 CAD
Retailer 2$26,008 CAD
Retailer 4$28,389 CAD
Retailer 6$39,413 CAD
Frank Darling$40,643 CAD
Retailer 13$78,476 CAD

37 data points across 15 retailers

15 retailers$12,577 CAD to $40,643 CAD

A+
Cheapest Retailer
-
$12,577 CAD
$8,986 USD
A
Retailer 2
-
$12,655 CAD
$9,042 USD
View
A
Retailer 3
-
$12,811 CAD
$9,153 USD
View
A
Retailer 4
-
$13,081 CAD
$9,346 USD
View
A
Retailer 5
-
$14,444 CAD
$10,320 USD
View
A
Retailer 6
-
$15,092 CAD
$10,783 USD
View
A
Retailer 7
-
$15,971 CAD
$11,411 USD
View
A
Retailer 8
-
$16,875 CAD
$12,057 USD
View
A
Retailer 9
-
$16,942 CAD
$12,105 USD
View
A
Retailer 10
-
$16,972 CAD
$12,126 USD
View
Final sale: no returns
A
Retailer 11
-
$26,008 CAD
£14,632 GBP
View
B+
Retailer 12
-
$28,389 CAD
€19,318 EUR
View
B
Retailer 13
-
$39,413 CAD
$28,160 USD
View
Most Expensive
B+
Frank Darling
P83F-5EL · Oct 29
$40,643 CAD
$29,039 USD
View
13 more retailers have this diamond
Prices start from $12,577 CADSave up to $28,066 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+
5.10ct Radiant
$12,577 CAD