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Cushion|Lab Grown|IGI

5.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811634412

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811634412

Diamond specifications and retailer prices

From $13,726 CAD
$9,807 USD
As of October 26, 2026
Save $38,352 CAD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $52,078 CAD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.09ct lab-grown cushion diamond

This 5.09ct lab-grown cushion 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 LG811634412 or 811634412. Listed at 12 retailers as of October 26, 2026, with prices from $13,726 to $52,078, a $38,352 spread on the same certified stone. With Clarity lists it at $52,078. 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

5.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634412
Dimensions11.06 × 9.35 × 6.18 mm
L/W Ratio1.18
Girdle conditionFaceted
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
11.06 mm9.35 mm5.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634412
Side View
Table 59.0%Crown 37.8°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 66.1%

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 26
Current: $15,814 CAD|Low: $13,726 CAD|High: $53,235 CAD|Avg: $27,929 CAD|-15.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 2$13,726 CAD
Retailer 6$13,956 CAD
Retailer 11$14,634 CAD
Retailer 1$15,814 CAD
Retailer 7$21,600 CAD
Retailer 3$23,944 CAD
Retailer 8$24,430 CAD
Retailer 5$26,049 CAD
Retailer 9$31,855 CAD
Retailer 10$36,047 CAD
Retailer 4$41,887 CAD
With Clarity$52,078 CAD

39 data points across 12 retailers

12 retailers$13,726 CAD to $52,078 CAD

A
Cheapest Retailer
-
$13,726 CAD
$9,807 USD
A
Retailer 2
-
$13,956 CAD
HK$77,900 HKD
View
A
Retailer 3
-
$14,634 CAD
$10,456 USD
View
A
Retailer 4
-
$15,814 CAD
£8,897 GBP
View
A
Retailer 5
-
$21,600 CAD
€14,698 EUR
View
B+
Retailer 6
-
$23,944 CAD
$17,108 USD
View
B+
Retailer 7
-
$24,430 CAD
£13,744 GBP
View
B+
Retailer 8
-
$26,049 CAD
ZAR 300,677 ZAR
View
B+
Retailer 9
-
$31,855 CAD
$22,760 USD
View
B
Retailer 10
-
$36,047 CAD
$25,755 USD
View
B
Retailer 11
-
$41,887 CAD
$29,928 USD
View
Most Expensive
B
With Clarity
811634412 · Oct 30
$52,078 CAD
$37,209 USD
View
11 more retailers have this diamond
Prices start from $13,726 CADSave up to $38,352 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
5.09ct Cushion
$13,726 CAD