Cushion|Lab Grown|IGI

3.50ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG733554154

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG733554154

Diamond specifications and retailer prices

From £594 GBP

$791 USD

As of October 29, 2026

Save £2,102 GBP (78%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £2,696 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733554154 or 733554154. Listed at 15 retailers as of October 29, 2026, with prices from £594 to £2,696, a £2,102 spread on the same certified stone. Brilliant Earth lists it at £2,696. 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

3.50

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.7°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG733554154

Dimensions7.89 × 7.89 × 4.91 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeLarge

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG733554154

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 29

Current: £2,696 GBP|Low: £594 GBP|High: £5,279 GBP|Avg: £1,551 GBP|-48.9%

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

October 30, 2026

Retailer 13£594 GBP

Retailer 10£890 GBP

Retailer 6£969 GBP

Retailer 2£995 GBP

Retailer 4£1,175 GBP

Retailer 7£1,297 GBP

Retailer 9£1,395 GBP

Retailer 5£1,923 GBP

Retailer 11£1,997 GBP

Retailer 12£2,011 GBP

Retailer 3£2,092 GBP

Retailer 8£2,429 GBP

Brilliant Earth£2,696 GBP

42 data points across 13 retailers

15 retailers£594 GBP to £2,696 GBP

Cheapest Retailer

£594 GBP

$791 USD

Final sale: no returns

Retailer 2

£890 GBP

$1,185 USD

View

Retailer 3

£969 GBP

€1,229 EUR

View

Retailer 4

£995 GBP

View

Retailer 5

£1,175 GBP

$1,565 USD

View

B+

Retailer 6

£1,297 GBP

A$2,658 AUD

View

B+

Retailer 7

£1,395 GBP

$1,858 USD

View

Retailer 8

£1,923 GBP

View

Price last confirmed 17 days ago

Retailer 9

£1,997 GBP

A$4,092 AUD

View

Price last confirmed 22 days ago

B+

Retailer 10

£2,011 GBP

$2,678 USD

View

Retailer 11

£2,092 GBP

SGD 3,764 SGD

View

Retailer 12

£2,118 GBP

$2,820 USD

View

Retailer 13

£2,140 GBP

$2,850 USD

View

Price last confirmed 11 days ago

Retailer 14

£2,429 GBP

View

Most Expensive

Brilliant Earth

15749818A · Oct 30

£2,696 GBP

$3,590 USD

View

14 more retailers have this diamond

Prices start from £594 GBPSave up to £2,102 GBP

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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