Cushion|Lab Grown|IGI

3.57ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG681578434

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

Certificate IGI LG681578434

Diamond specifications and retailer prices

From $3,183 CAD

HK$17,800 HKD

As of October 30, 2026

Save $7,140 CAD (69%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $13,606 CAD at Do Amore Diamonds · As of October 23, 2026

View at Do Amore Diamonds

About this 3.57ct lab-grown cushion diamond

This 3.57ct 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 LG681578434 or 681578434. Listed at 19 retailers as of October 30, 2026, with a 224% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.57

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG681578434

Dimensions8.94 × 8.92 × 5.90 mm

L/W Ratio1.00

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG681578434

Side View

Caratlytics Score

How it works →

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: $13,606 CAD|Low: $2,214 CAD|High: $16,386 CAD|Avg: $6,714 CAD|-11.3%

Do Amore Diamonds

Retailer 2

Retailer 3

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Retailer 20

October 30, 2026

Retailer 16$2,431 CAD

Retailer 14$2,544 CAD

Retailer 7$2,628 CAD

Retailer 8$3,183 CAD

Retailer 15$3,637 CAD

Retailer 5$3,811 CAD

Retailer 19$3,992 CAD

Retailer 20$4,724 CAD

Retailer 13$5,725 CAD

Retailer 17$5,813 CAD

Retailer 11$6,110 CAD

Retailer 9$6,583 CAD

Retailer 6$7,006 CAD

Retailer 3$7,267 CAD

Retailer 18$7,732 CAD

Retailer 12$8,932 CAD

Retailer 10$9,189 CAD

Retailer 2$10,323 CAD

Retailer 4$13,234 CAD

Do Amore Diamonds$13,606 CAD

31 data points across 20 retailers

19 retailers$3,183 CAD to $10,323 CAD

Retailer 1

$2,431 CAD

$1,740 USD

Price last confirmed 7 days ago

Retailer 2

$2,628 CAD

$1,881 USD

View

Price last confirmed 9 days ago

Retailer 3

$3,183 CAD

HK$17,800 HKD

View

Retailer 4

$3,637 CAD

£2,050 GBP

View

Price last confirmed 8 days ago

Retailer 5

$3,673 CAD

£2,071 GBP

View

Price last confirmed 15 days ago

Retailer 6

$3,811 CAD

$2,728 USD

View

Price last confirmed 12 days ago

Retailer 7

$4,724 CAD

$3,382 USD

View

Price last confirmed 7 days ago

Retailer 8

$5,725 CAD

A$6,305 AUD

View

Price last confirmed 8 days ago

Retailer 9

$5,813 CAD

ZAR 67,225 ZAR

View

Price last confirmed 10 days ago

Retailer 10

$6,110 CAD

£3,444 GBP

View

Price last confirmed 9 days ago

Retailer 11

$6,583 CAD

$4,712 USD

View

Price last confirmed 9 days ago

Retailer 12

$7,006 CAD

$5,015 USD

View

Price last confirmed 9 days ago

Retailer 13

$7,267 CAD

£4,096 GBP

View

Price last confirmed 9 days ago

Retailer 14

$7,732 CAD

$5,535 USD

View

Price last confirmed 9 days ago

Retailer 15

$8,932 CAD

$6,394 USD

View

Price last confirmed 9 days ago

Retailer 16

$9,189 CAD

SGD 8,889 SGD

View

Price last confirmed 9 days ago

B+

Retailer 17

$10,323 CAD

$7,390 USD

View

Retailer 18

$13,234 CAD

A$14,575 AUD

View

Price last confirmed 22 days ago

Most Expensive

Do Amore Diamonds

27-D7D5211D8 · Oct 23

$13,606 CAD

$9,740 USD

View

Price last confirmed 7 days ago

18 more retailers have this diamond

Prices start from $3,183 CADSave up to $7,140 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.

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