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Cushion|Lab Grown|IGI

4.81ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818623963

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818623963

Diamond specifications and retailer prices

From $8,990 CAD
As of November 3, 2026
Save $46,431 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $55,421 CAD at Mervis Diamond Importers · As of November 2, 2026
View at Mervis Diamond Importers

About this 4.81ct lab-grown cushion diamond

This 4.81ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623963 or 818623963. Listed at 17 retailers as of November 2, 2026, with prices from $8,990 to $55,421, a $46,431 spread on the same certified stone. Mervis Diamond Importers lists it at $55,421. 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

4.81
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623963
Dimensions9.90 × 9.70 × 6.30 mm
L/W Ratio1.02
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
9.90 mm9.70 mm4.81 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623963
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
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: Nov 3
Current: $55,421 CAD|Low: $8,990 CAD|High: $58,625 CAD|Avg: $22,326 CAD|-5.5%
Mervis Diamond Importers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 5$8,990 CAD
Retailer 7$9,312 CAD
Retailer 15$9,314 CAD
Retailer 16$9,432 CAD
Retailer 11$12,772 CAD
Retailer 17$13,464 CAD
Retailer 9$13,982 CAD
Retailer 6$14,653 CAD
Retailer 12$16,130 CAD
Retailer 14$20,549 CAD
Retailer 13$21,945 CAD
Retailer 10$22,122 CAD
Retailer 18$25,630 CAD
Retailer 2$32,763 CAD
Retailer 8$35,495 CAD
Retailer 4$35,566 CAD
Retailer 3$55,229 CAD
Mervis Diamond Importers$55,421 CAD

37 data points across 18 retailers

17 retailers$8,990 CAD to $55,421 CAD

A
Cheapest Retailer
-
$8,990 CAD
Final sale: no returns
Retailer 2
-
$9,312 CAD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$9,314 CAD
View
A
Retailer 4
-
$9,432 CAD
View
A
Retailer 5
-
$12,772 CAD
View
A
Retailer 6
-
$13,464 CAD
View
Retailer 7
-
$13,982 CAD
View
Price last confirmed 41 days ago
B+
Retailer 8
-
$14,653 CAD
View
B+
Retailer 9
-
$16,130 CAD
View
B+
Retailer 10
-
$20,549 CAD
View
B+
Retailer 11
-
$21,945 CAD
View
B+
Retailer 12
-
$25,630 CAD
View
B
Retailer 13
-
$32,763 CAD
View
B
Retailer 14
-
$35,495 CAD
View
B
Retailer 15
-
$35,566 CAD
View
B
Retailer 16
-
$55,229 CAD
View
Most Expensive
B
Mervis Diamond Importers
1989745774 · Nov 2
$55,421 CAD
$39,657 USD
View
16 more retailers have this diamond
Prices start from $8,990 CADSave up to $46,431 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
4.81ct Cushion
$8,990 CAD