Cushion|Lab Grown|IGI

5.18ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816608287

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816608287

Diamond specifications and retailer prices

From $9,720 CAD
$6,945 USD
As of October 29, 2026
Save $48,923 CAD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $58,643 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.18ct lab-grown cushion diamond

This 5.18ct 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 LG816608287 or 816608287. Listed at 7 retailers as of October 29, 2026, with prices from $9,720 to $58,643, a $48,923 spread on the same certified stone. Do Amore Diamonds lists it at $58,643. 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

5.18
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608287
Dimensions11.31 × 9.35 × 6.53 mm
L/W Ratio1.21
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
11.31 mm9.35 mm5.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608287
Side View
Table 58.0%Crown 35.2°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 69.8%

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: $58,643 CAD|Low: $9,720 CAD|High: $79,592 CAD|Avg: $33,447 CAD|-13.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$9,720 CAD
Retailer 3$10,994 CAD
Retailer 7$15,358 CAD
Retailer 4$19,247 CAD
Retailer 6$21,934 CAD
Retailer 2$22,813 CAD
Retailer 9$30,753 CAD
Do Amore Diamonds$58,643 CAD
Retailer 8$79,592 CAD

26 data points across 9 retailers

7 retailers$9,720 CAD to $58,643 CAD

A
Cheapest Retailer
-
$9,720 CAD
$6,945 USD
A
Retailer 2
-
$10,994 CAD
$7,855 USD
View
A
Retailer 3
-
$15,358 CAD
$10,973 USD
View
A
Retailer 4
-
$19,247 CAD
€13,097 EUR
View
A
Retailer 5
-
$21,934 CAD
£12,340 GBP
View
B+
Retailer 6
-
$22,813 CAD
$16,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-E42EC17CA · Oct 30
$58,643 CAD
$41,900 USD
View
6 more retailers have this diamond
Prices start from $9,720 CADSave up to $48,923 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
5.18ct Cushion
$9,720 CAD