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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG784639101

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

Certificate IGI LG784639101

Diamond specifications and retailer prices

From $735 CAD
$526 USD
As of October 29, 2026
Save $8,359 CAD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,094 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784639101 or 784639101. Listed at 17 retailers as of October 29, 2026, with prices from $735 to $9,094, a $8,359 spread on the same certified stone. Brilliant Earth lists it at $9,094. 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

3.09
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639101
Dimensions8.52 × 8.38 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm8.38 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639101
Side View
Table 63.0%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 66.5%

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 29
Current: $9,094 CAD|Low: $735 CAD|High: $9,373 CAD|Avg: $2,500 CAD|-3.0%
Brilliant Earth
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 7$735 CAD
Retailer 16$816 CAD
Retailer 17$1,027 CAD
Retailer 18$1,236 CAD
Retailer 8$1,275 CAD
Retailer 12$1,294 CAD
Retailer 3$1,337 CAD
Retailer 2$1,354 CAD
Retailer 11$1,723 CAD
Retailer 13$1,771 CAD
Retailer 5$2,014 CAD
Retailer 10$2,299 CAD
Retailer 6$2,665 CAD
Retailer 9$2,876 CAD
Retailer 14$3,002 CAD
Retailer 4$3,052 CAD
Retailer 15$4,009 CAD
Brilliant Earth$9,094 CAD

36 data points across 18 retailers

17 retailers$735 CAD to $9,094 CAD

A
Cheapest Retailer
-
$735 CAD
$526 USD
Final sale: no returns
Retailer 2
-
$816 CAD
$584 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$1,027 CAD
£579 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,236 CAD
$885 USD
View
B+
Retailer 5
-
$1,275 CAD
$913 USD
View
A
Retailer 6
-
$1,294 CAD
€882 EUR
View
A
Retailer 7
-
$1,337 CAD
$957 USD
View
A
Retailer 8
-
$1,354 CAD
£763 GBP
View
A
Retailer 9
-
$1,723 CAD
A$1,898 AUD
View
A
Retailer 10
-
$1,771 CAD
ZAR 20,487 ZAR
View
A
Retailer 11
-
$2,014 CAD
$1,442 USD
View
B+
Retailer 12
-
$2,665 CAD
$1,908 USD
View
B+
Retailer 13
-
$2,876 CAD
$2,059 USD
View
B+
Retailer 14
-
$3,002 CAD
£1,692 GBP
View
B+
Retailer 15
-
$3,052 CAD
$2,185 USD
View
Retailer 16
-
$4,009 CAD
$2,870 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18335227A · Oct 29
$9,094 CAD
$6,510 USD
View
16 more retailers have this diamond
Prices start from $735 CADSave up to $8,359 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
3.09ct Cushion
$735 CAD