Round|Lab Grown|IGI

3.55ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG785607153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG785607153

Diamond specifications and retailer prices

From £368 GBP

$490 USD

As of October 29, 2026

Save £2,358 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £2,726 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.55ct lab-grown round diamond

This 3.55ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG785607153 or 785607153. Listed at 18 retailers as of October 29, 2026, with prices from £368 to £2,726, a £2,358 spread on the same certified stone. Brilliant Earth lists it at £2,726. 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

3.55

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG785607153

Dimensions9.67 × 9.65 × 6.08 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 LG785607153

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £2,726 GBP|Low: £354 GBP|High: £2,808 GBP|Avg: £1,035 GBP

Brilliant Earth

Retailer 2

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Retailer 11

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October 30, 2026

Retailer 13£368 GBP

Retailer 5£412 GBP

Retailer 8£457 GBP

Retailer 16£457 GBP

Retailer 14£559 GBP

Retailer 4£692 GBP

Retailer 3£710 GBP

Retailer 2£756 GBP

Retailer 10£781 GBP

Retailer 6£1,200 GBP

Retailer 12£1,227 GBP

Retailer 7£1,328 GBP

Retailer 11£1,678 GBP

Retailer 15£1,708 GBP

Retailer 9£1,915 GBP

Brilliant Earth£2,726 GBP

44 data points across 16 retailers

18 retailers£368 GBP to £2,726 GBP

Cheapest Retailer

£368 GBP

$490 USD

Retailer 2

£412 GBP

$549 USD

View

Retailer 3

£457 GBP

$608 USD

View

Retailer 4

£457 GBP

$608 USD

View

Price last confirmed 13 days ago

Retailer 5

£559 GBP

$745 USD

View

Retailer 6

£692 GBP

$922 USD

View

B+

Retailer 7

£710 GBP

$946 USD

View

Retailer 8

£756 GBP

View

Retailer 9

£781 GBP

€990 EUR

View

B+

Retailer 10

£901 GBP

$1,200 USD

View

B+

Retailer 11

£1,200 GBP

$1,598 USD

View

Retailer 12

£1,227 GBP

$1,634 USD

View

B+

Retailer 13

£1,328 GBP

View

Retailer 14

£1,488 GBP

$1,981 USD

View

Price last confirmed 11 days ago

Retailer 15

£1,678 GBP

$2,235 USD

View

Price last confirmed 12 days ago

Retailer 16

£1,708 GBP

$2,274 USD

View

Retailer 17

£1,915 GBP

View

Most Expensive

Brilliant Earth

18507554A · Oct 29

£2,726 GBP

$3,630 USD

View

17 more retailers have this diamond

Prices start from £368 GBPSave up to £2,358 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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3.55ct Round

£368 GBP