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Cushion|Lab Grown|IGI

4.34ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662158

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

Certificate IGI LG780662158

Diamond specifications and retailer prices

From $5,679 CAD
$4,064 USD
As of November 2, 2026
Save $29,703 CAD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $35,382 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.34ct lab-grown cushion diamond

This 4.34ct 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 LG780662158 or 780662158. Listed at 11 retailers as of November 2, 2026, with prices from $5,679 to $35,382, a $29,703 spread on the same certified stone. Do Amore Diamonds lists it at $35,382. 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

4.34
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662158
Dimensions9.50 × 9.45 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.50 mm9.45 mm4.34 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662158
Side View
Table 61.0%Crown 34.3°Girdle: THK-VTKPavilion 37.5°Culet: NoneDepth 64.2%

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: Nov 2
Current: $35,382 CAD|Low: $5,679 CAD|High: $46,701 CAD|Avg: $15,821 CAD|-24.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$5,679 CAD
Retailer 9$5,967 CAD
Retailer 8$6,815 CAD
Retailer 11$8,097 CAD
Retailer 5$9,247 CAD
Retailer 2$11,276 CAD
Retailer 3$12,249 CAD
Retailer 4$14,105 CAD
Retailer 10$16,373 CAD
Retailer 7$18,795 CAD
Do Amore Diamonds$35,382 CAD

30 data points across 11 retailers

11 retailers$5,679 CAD to $35,382 CAD

A
Cheapest Retailer
-
$5,679 CAD
$4,064 USD
A
Retailer 2
-
$5,967 CAD
$4,270 USD
View
A
Retailer 3
-
$6,815 CAD
$4,877 USD
View
A
Retailer 4
-
$8,097 CAD
$5,794 USD
View
Final sale: no returns
A
Retailer 5
-
$9,247 CAD
$6,617 USD
View
A
Retailer 6
-
$11,276 CAD
€7,685 EUR
View
Retailer 7
-
$12,249 CAD
$8,766 USD
View
Price last confirmed 85 days ago
B+
Retailer 8
-
$14,105 CAD
£7,948 GBP
View
B+
Retailer 9
-
$16,373 CAD
$11,717 USD
View
B+
Retailer 10
-
$18,795 CAD
$13,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-F92EA651F · Nov 2
$35,382 CAD
$25,320 USD
View
10 more retailers have this diamond
Prices start from $5,679 CADSave up to $29,703 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
4.34ct Cushion
$5,679 CAD