Cushion|Lab Grown|IGI

3.76ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG681578729

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681578729

Diamond specifications and retailer prices

From £1,786 GBP

HK$18,700 HKD

As of October 31, 2026

Save £4,669 GBP (72%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £7,642 GBP at Do Amore Diamonds · As of October 23, 2026

View at Do Amore Diamonds

About this 3.76ct lab-grown cushion diamond

This 3.76ct 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 LG681578729 or 681578729. Listed at 18 retailers as of October 30, 2026, with a 261% 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

3.76

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle36.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG681578729

Dimensions10.18 × 8.35 × 5.64 mm

L/W Ratio1.22

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 LG681578729

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 31

Current: £7,642 GBP|Low: £1,244 GBP|High: £9,225 GBP|Avg: £3,787 GBP|-11.3%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

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Retailer 19

October 30, 2026

Retailer 14£1,328 GBP

Retailer 12£1,431 GBP

Retailer 6£1,469 GBP

Retailer 7£1,786 GBP

Retailer 13£2,054 GBP

Retailer 4£2,142 GBP

Retailer 17£2,246 GBP

Retailer 18£2,786 GBP

Retailer 10£2,946 GBP

Retailer 15£3,268 GBP

Retailer 8£3,704 GBP

Retailer 5£3,917 GBP

Retailer 19£4,085 GBP

Retailer 16£4,553 GBP

Retailer 11£5,010 GBP

Retailer 9£5,157 GBP

Retailer 2£6,456 GBP

Retailer 3£7,444 GBP

Do Amore Diamonds£7,642 GBP

32 data points across 19 retailers

18 retailers£1,786 GBP to £6,456 GBP

Retailer 1

£1,328 GBP

$1,780 USD

Price last confirmed 7 days ago

Retailer 2

£1,469 GBP

$1,968 USD

View

Price last confirmed 10 days ago

Retailer 3

£1,786 GBP

HK$18,700 HKD

View

Retailer 4

£2,054 GBP

View

Price last confirmed 9 days ago

Retailer 5

£2,066 GBP

View

Price last confirmed 16 days ago

Retailer 6

£2,142 GBP

$2,870 USD

View

Price last confirmed 13 days ago

Retailer 7

£2,786 GBP

$3,733 USD

View

Price last confirmed 7 days ago

Retailer 8

£2,946 GBP

View

Price last confirmed 9 days ago

Retailer 9

£3,268 GBP

ZAR 70,739 ZAR

View

Price last confirmed 11 days ago

Retailer 10

£3,704 GBP

$4,963 USD

View

Price last confirmed 9 days ago

Retailer 11

£3,917 GBP

$5,248 USD

View

Price last confirmed 10 days ago

Retailer 12

£4,085 GBP

View

Price last confirmed 10 days ago

Retailer 13

£4,553 GBP

$6,100 USD

View

Price last confirmed 10 days ago

Retailer 14

£5,010 GBP

$6,713 USD

View

Price last confirmed 10 days ago

Retailer 15

£5,157 GBP

SGD 9,337 SGD

View

Price last confirmed 10 days ago

B+

Retailer 16

£6,456 GBP

$8,650 USD

View

Retailer 17

£7,444 GBP

A$15,345 AUD

View

Price last confirmed 22 days ago

Most Expensive

Do Amore Diamonds

27-C769D8DA6 · Oct 23

£7,642 GBP

$10,240 USD

View

Price last confirmed 8 days ago

17 more retailers have this diamond

Prices start from £1,786 GBPSave up to £4,669 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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