Round|Lab Grown|IGI

16.12ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG802634718

Shape and cutting style on the report: Round brilliant

Certificate IGI LG802634718

Diamond specifications and retailer prices

From £4,562 GBP

$6,113 USD

As of October 29, 2026

Save £15,469 GBP (77%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £33,854 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 16.12ct lab-grown round diamond

This 16.12ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802634718 or 802634718. Listed at 18 retailers as of October 29, 2026, with a 339% 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

16.12

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.6°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG802634718

Dimensions16.37 × 16.31 × 9.85 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG802634718

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: £4,692 GBP|Low: £4,380 GBP|High: £12,403 GBP|Avg: £6,881 GBP|-0.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 1, 2026

Retailer 13£4,562 GBP

Retailer 1£4,692 GBP

Retailer 4£5,222 GBP

Retailer 2£5,292 GBP

Retailer 3£5,292 GBP

Retailer 8£5,295 GBP

Retailer 11£5,967 GBP

Retailer 12£6,293 GBP

Retailer 6£7,311 GBP

Retailer 9£7,683 GBP

Retailer 7£9,043 GBP

Retailer 5£9,822 GBP

Retailer 10£11,180 GBP

43 data points across 13 retailers

18 retailers£4,562 GBP to £20,031 GBP

Cheapest Retailer

£4,562 GBP

$6,113 USD

Retailer 2

£4,692 GBP

View

Retailer 3

£4,782 GBP

$6,407 USD

View

Retailer 4

£5,222 GBP

$6,997 USD

View

Retailer 5

£5,292 GBP

$7,091 USD

View

Price last confirmed 19 days ago

Retailer 6

£5,292 GBP

$7,091 USD

View

Retailer 7

£5,295 GBP

$7,095 USD

View

Retailer 8

£5,967 GBP

$7,995 USD

View

Price last confirmed 7 days ago

B+

Retailer 9

£6,293 GBP

$8,432 USD

View

B+

Retailer 10

£6,935 GBP

$9,292 USD

View

B+

Retailer 11

£7,311 GBP

View

B+

Retailer 12

£7,683 GBP

$10,294 USD

View

B+

Retailer 13

£9,043 GBP

ZAR 195,743 ZAR

View

B+

Retailer 14

£9,822 GBP

$13,160 USD

View

Retailer 15

£11,180 GBP

A$23,046 AUD

View

Price last confirmed 9 days ago

Retailer 16

£20,031 GBP

$26,839 USD

View

Retailer 17

£31,391 GBP

$42,060 USD

View

Price under review

Most Expensive

Do Amore Diamonds

23-802634718 · Oct 31

£33,854 GBP

$45,360 USD

View

Price under review

17 more retailers have this diamond

Prices start from £4,562 GBPSave up to £15,469 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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16.12ct Round

£4,562 GBP