Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630992

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

Certificate IGI LG816630992

Diamond specifications and retailer prices

From $15,477 CAD
$11,058 USD
As of October 27, 2026
Save $38,029 CAD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $53,505 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 LG816630992 or 816630992. Listed at 19 retailers as of October 27, 2026, with prices from $15,477 to $53,505, a $38,029 spread on the same certified stone. Taylor and Hart lists it at $53,505. 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 angle47.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630992
Dimensions12.12 × 8.62 × 5.65 mm
L/W Ratio1.41
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
12.12 mm8.62 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630992
Side View
Table 63.0%Crown 47.1°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $21,384 CAD|Low: $15,051 CAD|High: $60,844 CAD|Avg: $27,770 CAD|-17.3%
Retailer 1
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
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Retailer 18
Taylor and Hart
October 30, 2026
Retailer 8$15,477 CAD
Retailer 5$15,695 CAD
Retailer 13$16,095 CAD
Retailer 18$16,539 CAD
Retailer 9$16,826 CAD
Retailer 6$17,333 CAD
Retailer 16$17,712 CAD
Retailer 2$17,953 CAD
Retailer 10$17,953 CAD
Retailer 17$18,398 CAD
Retailer 15$19,152 CAD
Retailer 14$19,345 CAD
Retailer 1$21,384 CAD
Retailer 7$25,724 CAD
Retailer 11$27,706 CAD
Retailer 12$28,561 CAD
Retailer 4$32,836 CAD
Retailer 3$50,027 CAD
Taylor and Hart$53,505 CAD

41 data points across 19 retailers

19 retailers$15,477 CAD to $53,505 CAD

A
Cheapest Retailer
-
$15,477 CAD
$11,058 USD
A
Retailer 2
-
$15,695 CAD
$11,214 USD
View
A
Retailer 3
-
$16,095 CAD
$11,500 USD
View
A
Retailer 4
-
$16,539 CAD
$11,817 USD
View
A
Retailer 5
-
$16,826 CAD
$12,022 USD
View
A
Retailer 6
-
$17,333 CAD
$12,384 USD
View
Final sale: no returns
A
Retailer 7
-
$17,712 CAD
$12,655 USD
View
A
Retailer 8
-
$17,953 CAD
$12,827 USD
View
Retailer 9
-
$17,953 CAD
$12,827 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$18,398 CAD
$13,145 USD
View
Price last confirmed 11 days ago
A
Retailer 11
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$19,152 CAD
$13,684 USD
View
A
Retailer 12
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$19,345 CAD
$13,822 USD
View
A
Retailer 13
-
$21,384 CAD
£12,030 GBP
View
A
Retailer 14
-
$25,724 CAD
£14,472 GBP
View
B+
Retailer 15
-
$27,706 CAD
£15,587 GBP
View
B+
Retailer 16
-
$28,561 CAD
€19,435 EUR
View
B+
Retailer 17
-
$32,836 CAD
$23,461 USD
View
B
Retailer 18
-
$50,027 CAD
$35,744 USD
View
Most Expensive
B
Taylor and Hart
HJ0E7UE · Oct 30
$53,505 CAD
$38,229 USD
View
18 more retailers have this diamond
Prices start from $15,477 CADSave up to $38,029 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
$15,477 CAD