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Radiant|Lab Grown|IGI

5.28ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG787623453

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

Certificate IGI LG787623453

Diamond specifications and retailer prices

From $15,296 CAD
$10,929 USD
As of October 29, 2026
Save $37,536 CAD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $52,832 CAD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.28ct lab-grown radiant diamond

This 5.28ct 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 LG787623453 or 787623453. Listed at 11 retailers as of October 28, 2026, with prices from $15,296 to $52,832, a $37,536 spread on the same certified stone. Taylor and Hart lists it at $52,832. 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

5.28
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623453
Dimensions12.11 × 8.73 × 5.84 mm
L/W Ratio1.39
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
12.11 mm8.73 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623453
Side View
Table 62.0%Crown 42.3°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
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 29
Current: $27,777 CAD|Low: $15,296 CAD|High: $96,039 CAD|Avg: $33,645 CAD|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 29, 2026
Retailer 7$15,296 CAD
Retailer 9$16,801 CAD
Retailer 10$17,124 CAD
Retailer 6$17,614 CAD
Retailer 4$20,818 CAD
Retailer 3$26,227 CAD
Retailer 1$27,777 CAD
Retailer 5$29,590 CAD
Retailer 2$40,798 CAD
Retailer 8$48,773 CAD
Taylor and Hart$52,832 CAD
Retailer 11$96,039 CAD

31 data points across 12 retailers

11 retailers$15,296 CAD to $52,832 CAD

A
Cheapest Retailer
-
$15,296 CAD
$10,929 USD
A
Retailer 2
-
$16,801 CAD
$12,004 USD
View
A
Retailer 3
-
$17,124 CAD
$12,235 USD
View
A
Retailer 4
-
$17,614 CAD
$12,585 USD
View
A
Retailer 5
-
$20,818 CAD
£11,712 GBP
View
B+
Retailer 6
-
$27,777 CAD
£15,627 GBP
View
B+
Retailer 7
-
$29,590 CAD
€20,135 EUR
View
B+
Retailer 8
-
$40,798 CAD
$29,150 USD
View
B
Retailer 9
-
$48,773 CAD
$34,848 USD
View
Most Expensive
B
Taylor and Hart
OLY1CTE · Oct 28
$52,832 CAD
$37,748 USD
View
9 more retailers have this diamond
Prices start from $15,296 CADSave up to $37,536 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
5.28ct Radiant
$15,296 CAD