Cushion|Lab Grown|IGI

1.61ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG732530378

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG732530378

Diamond specifications and retailer prices

From £213 GBP

$286 USD

As of November 1, 2026

Save £1,173 GBP (85%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £1,386 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG732530378 or 732530378. Listed at 18 retailers as of November 1, 2026, with prices from £213 to £1,386, a £1,173 spread on the same certified stone. Brilliant Earth lists it at £1,386. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle36.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG732530378

Dimensions7.70 × 6.42 × 4.20 mm

L/W Ratio1.20

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 LG732530378

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: Nov 1

Current: £1,386 GBP|Low: £213 GBP|High: £1,431 GBP|Avg: £642 GBP|-3.1%

Brilliant Earth

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November 2, 2026

Retailer 16£213 GBP

Retailer 9£267 GBP

Retailer 17£322 GBP

Retailer 14£380 GBP

Retailer 12£393 GBP

Retailer 3£417 GBP

Retailer 2£433 GBP

Retailer 8£501 GBP

Retailer 4£516 GBP

Retailer 15£531 GBP

Retailer 10£537 GBP

Retailer 19£741 GBP

Retailer 5£771 GBP

Retailer 7£771 GBP

Retailer 6£896 GBP

Retailer 18£911 GBP

Retailer 13£912 GBP

Retailer 11£1,140 GBP

Brilliant Earth£1,386 GBP

43 data points across 19 retailers

18 retailers£213 GBP to £1,386 GBP

Cheapest Retailer

£213 GBP

$286 USD

Final sale: no returns

Retailer 2

£267 GBP

HK$2,800 HKD

View

B+

Retailer 3

£322 GBP

$432 USD

View

Retailer 4

£380 GBP

€486 EUR

View

Retailer 5

£393 GBP

ZAR 8,524 ZAR

View

Retailer 6

£417 GBP

$559 USD

View

Retailer 7

£433 GBP

View

Retailer 8

£501 GBP

$673 USD

View

Retailer 9

£516 GBP

$692 USD

View

Retailer 10

£531 GBP

A$1,096 AUD

View

B+

Retailer 11

£741 GBP

$994 USD

View

B+

Retailer 12

£771 GBP

$1,034 USD

View

B+

Retailer 13

£771 GBP

SGD 1,399 SGD

View

B+

Retailer 14

£896 GBP

$1,203 USD

View

Retailer 15

£911 GBP

A$1,881 AUD

View

Price last confirmed 28 days ago

B+

Retailer 16

£912 GBP

View

Retailer 17

£1,140 GBP

$1,530 USD

View

Price last confirmed 33 days ago

Most Expensive

Brilliant Earth

15998580A · Nov 2

£1,386 GBP

$1,860 USD

View

17 more retailers have this diamond

Prices start from £213 GBPSave up to £1,173 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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1.61ct Cushion

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