Round|Lab Grown|IGI

3.85ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG815601379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815601379

Diamond specifications and retailer prices

From £464 GBP

$618 USD

As of October 29, 2026

Save £3,651 GBP (89%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £4,115 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.85ct lab-grown round diamond

This 3.85ct 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 LG815601379 or 815601379. Listed at 14 retailers as of October 29, 2026, with prices from £464 to £4,115, a £3,651 spread on the same certified stone. Brilliant Earth lists it at £4,115. 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

3.85

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG815601379

Dimensions10.01 × 10.08 × 6.16 mm

L/W Ratio1.01

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG815601379

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: £4,115 GBP|Low: £449 GBP|High: £4,243 GBP|Avg: £1,810 GBP|-3.0%

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

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Retailer 15

October 29, 2026

Retailer 13£464 GBP

Retailer 11£520 GBP

Retailer 15£740 GBP

Retailer 5£858 GBP

Retailer 2£864 GBP

Retailer 10£1,223 GBP

Retailer 12£1,428 GBP

Retailer 9£1,431 GBP

Retailer 14£1,513 GBP

Retailer 3£1,722 GBP

Retailer 6£2,249 GBP

Retailer 8£2,502 GBP

Retailer 4£2,609 GBP

Retailer 7£3,585 GBP

Brilliant Earth£4,115 GBP

31 data points across 15 retailers

14 retailers£464 GBP to £4,115 GBP

Cheapest Retailer

£464 GBP

$618 USD

Retailer 2

£520 GBP

$692 USD

View

Retailer 3

£740 GBP

View

Price last confirmed 12 days ago

Retailer 4

£858 GBP

$1,142 USD

View

Retailer 5

£864 GBP

€1,096 EUR

View

B+

Retailer 6

£1,223 GBP

A$2,505 AUD

View

Price last confirmed 9 days ago

B+

Retailer 7

£1,428 GBP

$1,901 USD

View

B+

Retailer 8

£1,431 GBP

$1,905 USD

View

B+

Retailer 9

£1,513 GBP

$2,015 USD

View

B+

Retailer 10

£1,722 GBP

$2,293 USD

View

Retailer 11

£2,249 GBP

SGD 4,047 SGD

View

Price last confirmed 16 days ago

Retailer 12

£2,502 GBP

View

Retailer 13

£2,609 GBP

$3,475 USD

View

Most Expensive

Brilliant Earth

20803054A · Oct 29

£4,115 GBP

$5,480 USD

View

13 more retailers have this diamond

Prices start from £464 GBPSave up to £3,651 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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3.85ct Round

£464 GBP