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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG828681234

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

Certificate IGI LG828681234

Diamond specifications and retailer prices

From $15,849 CAD
$11,324 USD
As of October 30, 2026
Save $35,893 CAD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $51,742 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG828681234 or 828681234. Listed at 12 retailers as of October 30, 2026, with prices from $15,849 to $51,742, a $35,893 spread on the same certified stone. Taylor and Hart lists it at $51,742. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681234
Dimensions12.03 × 8.63 × 5.64 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
12.03 mm8.63 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681234
Side View
Table 63.0%Crown 44°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.4%

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 30
Current: $20,234 CAD|Low: $15,849 CAD|High: $92,765 CAD|Avg: $35,360 CAD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 7$15,849 CAD
Retailer 8$16,542 CAD
Retailer 6$17,271 CAD
Retailer 1$20,234 CAD
Retailer 4$26,849 CAD
Retailer 5$28,580 CAD
Retailer 9$31,098 CAD
Retailer 3$34,544 CAD
Retailer 2$47,111 CAD
Taylor and Hart$51,742 CAD
Retailer 10$92,765 CAD

18 data points across 11 retailers

12 retailers$15,849 CAD to $51,742 CAD

A
Cheapest Retailer
-
$15,849 CAD
$11,324 USD
A
Retailer 2
-
$16,542 CAD
$11,819 USD
View
A
Retailer 3
-
$17,271 CAD
$12,340 USD
View
A
Retailer 4
-
$20,234 CAD
£11,383 GBP
View
A
Retailer 5
-
$26,849 CAD
£15,105 GBP
View
B+
Retailer 6
-
$28,580 CAD
€19,448 EUR
View
B+
Retailer 7
-
$31,098 CAD
$22,219 USD
View
B+
Retailer 8
-
$34,544 CAD
ZAR 398,734 ZAR
View
B+
Retailer 9
-
$39,413 CAD
$28,160 USD
View
B
Retailer 10
-
$47,111 CAD
$33,660 USD
View
Most Expensive
B
Taylor and Hart
QRRATCH · Oct 30
$51,742 CAD
$36,969 USD
View
10 more retailers have this diamond
Prices start from $15,849 CADSave up to $35,893 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
$15,849 CAD