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Cushion|Lab Grown|IGI

4.20ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG803623561

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

Certificate IGI LG803623561

Diamond specifications and retailer prices

From $6,670 CAD
$4,766 USD
As of October 30, 2026
Save $41,098 CAD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $47,768 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown cushion diamond

This 4.2ct 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 LG803623561 or 803623561. Listed at 16 retailers as of October 28, 2026, with prices from $6,670 to $47,768, a $41,098 spread on the same certified stone. Do Amore Diamonds lists it at $47,768. 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

4.20
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623561
Dimensions9.40 × 9.21 × 6.25 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
9.40 mm9.21 mm4.20 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623561
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 67.9%

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: Oct 30
Current: $47,768 CAD|Low: $6,670 CAD|High: $51,659 CAD|Avg: $19,103 CAD|-7.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 16$6,670 CAD
Retailer 4$7,775 CAD
Retailer 7$8,053 CAD
Retailer 15$8,090 CAD
Retailer 9$8,861 CAD
Retailer 2$11,406 CAD
Retailer 17$11,618 CAD
Retailer 6$12,627 CAD
Retailer 12$14,005 CAD
Retailer 13$18,186 CAD
Retailer 11$18,919 CAD
Retailer 10$20,119 CAD
Retailer 18$22,166 CAD
Retailer 8$27,958 CAD
Retailer 14$28,311 CAD
Retailer 3$31,487 CAD
Retailer 5$41,765 CAD
Do Amore Diamonds$47,768 CAD

37 data points across 18 retailers

16 retailers$6,670 CAD to $47,768 CAD

A
Cheapest Retailer
-
$6,670 CAD
$4,766 USD
A
Retailer 2
-
$7,775 CAD
$5,555 USD
View
Final sale: no returns
Retailer 3
-
$8,053 CAD
$5,754 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$8,090 CAD
$5,780 USD
View
A
Retailer 5
-
$11,406 CAD
£6,417 GBP
View
A
Retailer 6
-
$11,618 CAD
$8,301 USD
View
B+
Retailer 7
-
$12,627 CAD
£7,104 GBP
View
B+
Retailer 8
-
$14,005 CAD
€9,530 EUR
View
B+
Retailer 9
-
$18,186 CAD
£10,231 GBP
View
B+
Retailer 10
-
$18,919 CAD
ZAR 218,377 ZAR
View
B+
Retailer 11
-
$22,166 CAD
$15,837 USD
View
B
Retailer 12
-
$27,958 CAD
$19,976 USD
View
B
Retailer 13
-
$28,311 CAD
$20,228 USD
View
B
Retailer 14
-
$31,487 CAD
$22,497 USD
View
B
Retailer 15
-
$41,765 CAD
$29,841 USD
View
Most Expensive
B
Do Amore Diamonds
27-81A9E32CB · Oct 28
$47,768 CAD
$34,130 USD
View
15 more retailers have this diamond
Prices start from $6,670 CADSave up to $41,098 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
4.20ct Cushion
$6,670 CAD