Cushion|Lab Grown|IGI

4.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG784649771

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG784649771

Diamond specifications and retailer prices

From $7,673 CAD
$5,493 USD
As of October 30, 2026
Save $47,057 CAD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $54,731 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown cushion diamond

This 4.18ct 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 LG784649771 or 784649771. Listed at 14 retailers as of October 29, 2026, with prices from $7,673 to $54,731, a $47,057 spread on the same certified stone. Do Amore Diamonds lists it at $54,731. 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

4.18
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784649771
Dimensions11.30 × 7.71 × 4.89 mm
L/W Ratio1.47
Girdle conditionPARTLY FACETED
Culet sizeLarge
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
11.30 mm7.71 mm4.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784649771
Side View
Table 66.0%Crown 43.3°Girdle: MED-STKPavilion 44°Culet: LargeDepth 63.4%

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 30
Current: $54,731 CAD|Low: $6,512 CAD|High: $58,153 CAD|Avg: $20,054 CAD
Do Amore Diamonds
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
October 30, 2026
Retailer 14$7,673 CAD
Retailer 4$8,916 CAD
Retailer 8$9,465 CAD
Retailer 10$9,792 CAD
Retailer 13$9,805 CAD
Retailer 2$13,602 CAD
Retailer 5$15,456 CAD
Retailer 12$15,981 CAD
Retailer 9$21,754 CAD
Retailer 7$23,036 CAD
Retailer 11$24,281 CAD
Retailer 3$26,987 CAD
Retailer 6$37,165 CAD
Do Amore Diamonds$54,731 CAD

35 data points across 14 retailers

14 retailers$7,673 CAD to $54,731 CAD

A
Cheapest Retailer
-
$7,673 CAD
$5,493 USD
A
Retailer 2
-
$8,916 CAD
$6,383 USD
View
A
Retailer 3
-
$9,465 CAD
$6,776 USD
View
Final sale: no returns
A
Retailer 4
-
$9,792 CAD
$7,010 USD
View
Retailer 5
-
$9,805 CAD
$7,019 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$13,602 CAD
£7,667 GBP
View
B+
Retailer 7
-
$15,456 CAD
£8,712 GBP
View
B+
Retailer 8
-
$15,981 CAD
$11,440 USD
View
B+
Retailer 9
-
$21,754 CAD
£12,262 GBP
View
B+
Retailer 10
-
$23,036 CAD
ZAR 266,416 ZAR
View
B
Retailer 11
-
$24,281 CAD
$17,382 USD
View
B
Retailer 12
-
$26,987 CAD
$19,319 USD
View
B
Retailer 13
-
$37,165 CAD
$26,606 USD
View
Most Expensive
B
Do Amore Diamonds
20-E75750 · Oct 29
$54,731 CAD
$39,180 USD
View
13 more retailers have this diamond
Prices start from $7,673 CADSave up to $47,057 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
4.18ct Cushion
$7,673 CAD