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Cushion|Lab Grown|IGI

3.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG749583773

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

Certificate IGI LG749583773

Diamond specifications and retailer prices

From $3,881 CAD
$2,778 USD
As of October 29, 2026
Save $9,092 CAD (70%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,973 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749583773 or 749583773. Listed at 22 retailers as of October 29, 2026, with prices from $3,881 to $12,973, a $9,092 spread on the same certified stone. Taylor and Hart lists it at $12,973. 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

3.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749583773
Dimensions8.52 × 8.11 × 5.37 mm
L/W Ratio1.05
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 mm8.11 mm3.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749583773
Side View
Table 64.0%Crown 38.6°Girdle: THK-VTKPavilion 31.4°Culet: NoneDepth 66.2%

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: $10,211 CAD|Low: $2,563 CAD|High: $13,606 CAD|Avg: $6,906 CAD|+2.1%
Retailer 1
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
October 30, 2026
Retailer 4$3,714 CAD
Retailer 6$3,881 CAD
Retailer 14$3,918 CAD
Retailer 2$3,946 CAD
Retailer 8$5,113 CAD
Retailer 12$5,308 CAD
Retailer 15$5,311 CAD
Retailer 10$5,923 CAD
Retailer 7$7,047 CAD
Retailer 13$8,400 CAD
Retailer 9$8,624 CAD
Retailer 3$9,422 CAD
Retailer 11$10,130 CAD
Retailer 1$10,211 CAD
Retailer 5$12,430 CAD

45 data points across 15 retailers

22 retailers$3,881 CAD to $12,973 CAD

Retailer 1
-
$3,714 CAD
$2,659 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$3,881 CAD
$2,778 USD
View
A
Retailer 3
-
$3,918 CAD
$2,805 USD
View
Final sale: no returns
A
Retailer 4
-
$3,946 CAD
$2,825 USD
View
A
Retailer 5
-
$4,291 CAD
HK$24,000 HKD
View
A
Retailer 6
-
$5,113 CAD
£2,882 GBP
View
A
Retailer 7
-
$5,308 CAD
$3,800 USD
View
A
Retailer 8
-
$5,311 CAD
$3,802 USD
View
A
Retailer 9
-
$5,923 CAD
€4,038 EUR
View
A
Retailer 10
-
$6,293 CAD
$4,505 USD
View
B+
Retailer 11
-
$7,047 CAD
£3,972 GBP
View
Retailer 12
-
$8,400 CAD
A$9,251 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$8,624 CAD
ZAR 99,736 ZAR
View
B+
Retailer 14
-
$9,220 CAD
$6,600 USD
View
B+
Retailer 15
-
$9,422 CAD
$6,745 USD
View
B+
Retailer 16
-
$9,915 CAD
$7,098 USD
View
B+
Retailer 17
-
$10,130 CAD
£5,710 GBP
View
B
Retailer 18
-
$10,211 CAD
$7,310 USD
View
B+
Retailer 19
-
$10,378 CAD
$7,429 USD
View
B
Retailer 20
-
$10,992 CAD
$7,869 USD
View
B
Retailer 21
-
$12,430 CAD
SGD 12,025 SGD
View
Most Expensive
B
Taylor and Hart
7ST2ONS · Oct 30
$12,973 CAD
$9,287 USD
View
21 more retailers have this diamond
Prices start from $3,881 CADSave up to $9,092 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
3.51ct Cushion
$3,881 CAD