Cushion|Lab Grown|IGI

3.06ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG780623283

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780623283

Diamond specifications and retailer prices

From £674 GBP

$904 USD

As of November 1, 2026

Save £6,160 GBP (90%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £6,833 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780623283 or 780623283. Listed at 26 retailers as of October 31, 2026, with prices from £674 to £6,833, a £6,160 spread on the same certified stone. Brilliant Earth lists it at £6,833. 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

3.06

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle37.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780623283

Dimensions9.91 × 7.82 × 5.11 mm

L/W Ratio1.27

Girdle conditionFaceted

Culet sizePointed

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 LG780623283

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: £6,833 GBP|Low: £619 GBP|High: £6,982 GBP|Avg: £2,309 GBP|-2.1%

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 11£674 GBP

Retailer 4£764 GBP

Retailer 19£768 GBP

Retailer 15£1,081 GBP

Retailer 2£1,146 GBP

Retailer 17£1,171 GBP

Retailer 9£1,184 GBP

Retailer 20£1,304 GBP

Retailer 18£1,719 GBP

Retailer 22£1,767 GBP

Retailer 12£1,836 GBP

Retailer 21£1,893 GBP

Retailer 10£2,179 GBP

Retailer 13£2,232 GBP

Retailer 8£2,291 GBP

Retailer 5£2,693 GBP

Retailer 3£2,869 GBP

Retailer 16£2,914 GBP

Retailer 6£3,209 GBP

Retailer 7£4,635 GBP

Retailer 14£5,083 GBP

Retailer 23£6,321 GBP

Brilliant Earth£6,833 GBP

22 data points across 23 retailers

26 retailers£674 GBP to £6,833 GBP

Cheapest Retailer

£674 GBP

$904 USD

Final sale: no returns

Retailer 2

£764 GBP

$1,025 USD

View

Retailer 3

£768 GBP

$1,030 USD

View

Retailer 4

£1,081 GBP

$1,450 USD

View

Retailer 5

£1,146 GBP

€1,464 EUR

View

Retailer 6

£1,171 GBP

View

Retailer 7

£1,184 GBP

$1,589 USD

View

Retailer 8

£1,304 GBP

$1,750 USD

View

B+

Retailer 9

£1,719 GBP

A$3,549 AUD

View

B+

Retailer 10

£1,767 GBP

ZAR 38,317 ZAR

View

B+

Retailer 11

£1,836 GBP

$2,464 USD

View

B+

Retailer 12

£1,893 GBP

CA$3,528 CAD

View

B+

Retailer 13

£2,179 GBP

$2,924 USD

View

B+

Retailer 14

£2,232 GBP

View

B+

Retailer 15

£2,291 GBP

$3,074 USD

View

Retailer 16

£2,693 GBP

$3,613 USD

View

Retailer 17

£2,715 GBP

$3,643 USD

View

Retailer 18

£2,869 GBP

View

Retailer 19

£2,914 GBP

A$6,017 AUD

View

Price last confirmed 25 days ago

Retailer 20

£3,209 GBP

$4,306 USD

View

Retailer 21

£4,635 GBP

$6,220 USD

View

Retailer 22

£5,083 GBP

$6,821 USD

View

Retailer 23

£5,276 GBP

$7,080 USD

View

Retailer 24

£6,321 GBP

$8,482 USD

View

Retailer 25

£6,321 GBP

$8,482 USD

View

Price last confirmed 21 days ago

Most Expensive

Brilliant Earth

18023962A · Oct 31

£6,833 GBP

$9,170 USD

View

25 more retailers have this diamond

Prices start from £674 GBPSave up to £6,160 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.

Where to buy this spec

See every retailer carrying 3.06ct D VVS1 cushion lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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