Cushion|Lab Grown|IGI

3.54ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG817638684

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817638684

Diamond specifications and retailer prices

From £1,250 GBP

€1,597 EUR

As of October 27, 2026

Save £3,818 GBP (75%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £5,728 GBP at Yadav Diamonds · As of October 2, 2026

View at Yadav Diamonds

About this 3.54ct lab-grown cushion diamond

This 3.54ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817638684 or 817638684. Listed at 15 retailers as of October 27, 2026, with a 306% 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

3.54

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle35.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG817638684

Dimensions10.27 × 7.90 × 5.37 mm

L/W Ratio1.30

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG817638684

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27

Current: £5,067 GBP|Low: £448 GBP|High: £6,103 GBP|Avg: £2,400 GBP|+15.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 11

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Retailer 22

Yadav Diamonds

October 28, 2026

Retailer 20£737 GBP

Retailer 12£879 GBP

Retailer 11£1,100 GBP

Retailer 3£1,177 GBP

Retailer 9£1,199 GBP

Retailer 19£1,250 GBP

Retailer 16£1,344 GBP

Retailer 6£1,678 GBP

Retailer 8£1,795 GBP

Retailer 21£2,008 GBP

Retailer 14£2,101 GBP

Retailer 7£2,137 GBP

Retailer 13£2,187 GBP

Retailer 17£2,207 GBP

Retailer 2£2,812 GBP

Retailer 5£2,888 GBP

Retailer 18£2,932 GBP

Retailer 10£3,043 GBP

Retailer 15£3,584 GBP

Retailer 22£4,011 GBP

Retailer 1£5,067 GBP

Yadav Diamonds£5,728 GBP

Retailer 4£5,917 GBP

9 data points across 23 retailers

15 retailers£1,250 GBP to £5,067 GBP

Retailer 1

£879 GBP

$1,180 USD

Price last confirmed 6 days ago

Retailer 2

£1,177 GBP

$1,580 USD

View

Price last confirmed 7 days ago

Retailer 3

£1,199 GBP

$1,609 USD

View

Price last confirmed 31 days ago

B+

Retailer 4

£1,250 GBP

€1,597 EUR

View

B+

Retailer 5

£1,344 GBP

$1,803 USD

View

Retailer 6

£1,678 GBP

ZAR 36,381 ZAR

View

Price last confirmed 31 days ago

B+

Retailer 7

£2,008 GBP

$2,695 USD

View

Retailer 8

£2,137 GBP

View

Price last confirmed 31 days ago

Retailer 9

£2,207 GBP

$2,961 USD

View

Retailer 10

£2,812 GBP

View

Price last confirmed 7 days ago

Retailer 11

£2,888 GBP

A$5,962 AUD

View

Price last confirmed 31 days ago

Retailer 12

£2,932 GBP

$3,935 USD

View

Retailer 13

£4,011 GBP

$5,383 USD

View

Retailer 14

£5,067 GBP

$6,800 USD

View

Most Expensive

Yadav Diamonds

13293908 · Oct 2

£5,728 GBP

$7,687 USD

View

Price last confirmed 31 days ago

14 more retailers have this diamond

Prices start from £1,250 GBPSave up to £3,818 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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