CaratHunter
Plans
Cushion|Lab Grown|IGI

4.78ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804660154

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804660154

Diamond specifications and retailer prices

From $6,739 CAD
As of November 2, 2026
Save $36,276 CAD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $43,015 CAD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 4.78ct lab-grown cushion diamond

This 4.78ct 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 LG804660154 or 804660154. Listed at 9 retailers as of November 2, 2026, with prices from $6,739 to $43,015, a $36,276 spread on the same certified stone. Do Amore Diamonds lists it at $43,015. 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

4.78
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660154
Dimensions11.63 × 9.03 × 5.76 mm
L/W Ratio1.29
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
11.63 mm9.03 mm4.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660154
Side View
Table 62.0%Crown 33.7°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: $43,015 CAD|Low: $6,739 CAD|High: $55,215 CAD|Avg: $18,988 CAD|-22.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 6$6,739 CAD
Retailer 2$7,309 CAD
Retailer 9$8,989 CAD
Retailer 8$9,186 CAD
Retailer 5$11,219 CAD
Retailer 3$13,765 CAD
Retailer 4$16,289 CAD
Retailer 7$19,425 CAD
Retailer 10$25,400 CAD
Do Amore Diamonds$43,015 CAD

29 data points across 10 retailers

9 retailers$6,739 CAD to $43,015 CAD

A+
Cheapest Retailer
-
$6,739 CAD
A
Retailer 2
-
$7,309 CAD
View
A
Retailer 3
-
$8,989 CAD
View
Final sale: no returns
A
Retailer 4
-
$9,186 CAD
View
A
Retailer 5
-
$11,219 CAD
View
A
Retailer 6
-
$13,765 CAD
View
B+
Retailer 7
-
$16,289 CAD
View
B+
Retailer 8
-
$19,425 CAD
View
Most Expensive
B
Do Amore Diamonds
27-BBB4EC1E3 · Nov 4
$43,015 CAD
$30,780 USD
View
8 more retailers have this diamond
Prices start from $6,739 CADSave up to $36,276 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+
4.78ct Cushion
$6,739 CAD