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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665785

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665785

Diamond specifications and retailer prices

From $5,745 CAD
$4,113 USD
As of October 29, 2026
Save $29,247 CAD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $34,992 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown cushion diamond

This 4.29ct 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 LG780665785 or 780665785. Listed at 11 retailers as of October 29, 2026, with prices from $5,745 to $34,992, a $29,247 spread on the same certified stone. Do Amore Diamonds lists it at $34,992. 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

4.29
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665785
Dimensions10.81 × 8.72 × 5.69 mm
L/W Ratio1.24
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
10.81 mm8.72 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665785
Side View
Table 62.0%Crown 34.7°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 65.3%

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: Oct 29
Current: $34,992 CAD|Low: $5,745 CAD|High: $46,321 CAD|Avg: $15,812 CAD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$5,745 CAD
Retailer 6$5,895 CAD
Retailer 4$6,670 CAD
Retailer 11$8,001 CAD
Retailer 9$9,510 CAD
Retailer 5$11,225 CAD
Retailer 3$11,961 CAD
Retailer 7$14,022 CAD
Retailer 8$16,184 CAD
Retailer 2$18,565 CAD
Do Amore Diamonds$34,992 CAD

28 data points across 11 retailers

11 retailers$5,745 CAD to $34,992 CAD

A+
Cheapest Retailer
-
$5,745 CAD
$4,113 USD
A
Retailer 2
-
$5,895 CAD
$4,220 USD
View
A
Retailer 3
-
$6,670 CAD
$4,775 USD
View
A
Retailer 4
-
$8,001 CAD
$5,728 USD
View
Final sale: no returns
A
Retailer 5
-
$9,510 CAD
$6,808 USD
View
A
Retailer 6
-
$11,225 CAD
€7,653 EUR
View
Retailer 7
-
$11,961 CAD
$8,563 USD
View
Price last confirmed 81 days ago
B+
Retailer 8
-
$14,022 CAD
£7,904 GBP
View
B+
Retailer 9
-
$16,184 CAD
$11,585 USD
View
B
Retailer 10
-
$18,565 CAD
$13,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE0FC0767 · Oct 30
$34,992 CAD
$25,050 USD
View
10 more retailers have this diamond
Prices start from $5,745 CADSave up to $29,247 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+
4.29ct Cushion
$5,745 CAD