Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG772609139

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772609139

Diamond specifications and retailer prices

From £1,229 GBP

A$2,518 AUD

As of October 29, 2026

Save £2,951 GBP (71%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £6,811 GBP at Brilliant Earth · As of October 16, 2026

View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG772609139 or 772609139. Listed at 20 retailers as of October 29, 2026, with a 240% 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

3.50

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.4°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG772609139

Dimensions9.78 × 9.80 × 5.83 mm

L/W Ratio1.00

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 LG772609139

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: £6,811 GBP|Low: £490 GBP|High: £6,811 GBP|Avg: £1,625 GBP

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

Retailer 14

Retailer 15

Retailer 16

October 29, 2026

Retailer 14£490 GBP

Retailer 4£549 GBP

Retailer 10£702 GBP

Retailer 7£843 GBP

Retailer 9£882 GBP

Retailer 12£883 GBP

Retailer 2£1,229 GBP

Retailer 11£1,325 GBP

Retailer 6£1,417 GBP

Retailer 13£1,662 GBP

Retailer 5£1,774 GBP

Retailer 3£1,917 GBP

Retailer 8£2,050 GBP

Retailer 16£2,425 GBP

Retailer 15£2,929 GBP

Brilliant Earth£6,811 GBP

32 data points across 16 retailers

20 retailers£1,229 GBP to £4,180 GBP

Retailer 1

£490 GBP

$653 USD

Price last confirmed 19 days ago

Retailer 2

£533 GBP

$710 USD

View

Price last confirmed 16 days ago

Retailer 3

£568 GBP

$757 USD

View

Price last confirmed 27 days ago

Retailer 4

£663 GBP

HK$6,900 HKD

View

Price last confirmed 55 days ago

Retailer 5

£702 GBP

$935 USD

View

Price last confirmed 12 days ago

Retailer 6

£843 GBP

$1,122 USD

View

Price last confirmed 13 days ago

Retailer 7

£883 GBP

View

Price last confirmed 13 days ago

B+

Retailer 8

£1,229 GBP

A$2,518 AUD

View

B+

Retailer 9

£1,325 GBP

$1,764 USD

View

Price last confirmed 13 days ago

B+

Retailer 10

£1,366 GBP

$1,819 USD

View

Price last confirmed 12 days ago

B+

Retailer 11

£1,417 GBP

$1,887 USD

View

Price last confirmed 14 days ago

B+

Retailer 12

£1,662 GBP

$2,213 USD

View

Price last confirmed 17 days ago

Retailer 13

£1,774 GBP

View

Price last confirmed 13 days ago

Retailer 14

£1,917 GBP

SGD 3,450 SGD

View

Price last confirmed 14 days ago

Retailer 15

£1,962 GBP

$2,613 USD

View

Price last confirmed 13 days ago

Retailer 16

£1,982 GBP

$2,639 USD

View

Price last confirmed 13 days ago

Retailer 17

£2,425 GBP

View

Price last confirmed 18 days ago

Retailer 18

£2,929 GBP

$3,900 USD

View

Price last confirmed 15 days ago

Retailer 19

£4,180 GBP

$5,566 USD

View

Most Expensive

Brilliant Earth

17630537A · Oct 16

£6,811 GBP

$9,070 USD

View

Price under review

19 more retailers have this diamond

Prices start from £1,229 GBPSave up to £2,951 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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