Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG830613236

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830613236

Diamond specifications and retailer prices

From £188 GBP

$252 USD

As of November 1, 2026

Save £1,793 GBP (91%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £1,981 GBP at Queensmith · As of October 27, 2026

View at Queensmith

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830613236 or 830613236. Listed at 25 retailers as of October 27, 2026, with prices from £188 to £1,981, a £1,793 spread on the same certified stone. Queensmith lists it at £1,981. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG830613236

Dimensions8.00 × 7.95 × 4.84 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG830613236

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: £1,981 GBP|Low: £188 GBP|High: £1,981 GBP|Avg: £611 GBP

Queensmith

Retailer 2

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November 1, 2026

Retailer 3£188 GBP

Retailer 6£210 GBP

Retailer 25£219 GBP

Retailer 4£234 GBP

Retailer 24£234 GBP

Retailer 5£258 GBP

Retailer 14£315 GBP

Retailer 10£355 GBP

Retailer 18£381 GBP

Retailer 21£387 GBP

Retailer 2£403 GBP

Retailer 13£444 GBP

Retailer 9£498 GBP

Retailer 8£510 GBP

Retailer 22£544 GBP

Retailer 20£584 GBP

Retailer 23£750 GBP

Retailer 17£755 GBP

Retailer 12£789 GBP

Retailer 19£799 GBP

Retailer 15£866 GBP

Retailer 7£940 GBP

Retailer 16£1,015 GBP

Retailer 11£1,060 GBP

Queensmith£1,981 GBP

20 data points across 25 retailers

25 retailers£188 GBP to £1,981 GBP

Cheapest Retailer

£188 GBP

$252 USD

Retailer 2

£210 GBP

$282 USD

View

Final sale: no returns

Retailer 3

£219 GBP

$293 USD

View

Retailer 4

£234 GBP

$313 USD

View

Retailer 5

£234 GBP

$313 USD

View

Price last confirmed 7 days ago

Retailer 6

£258 GBP

HK$2,700 HKD

View

B+

Retailer 7

£315 GBP

$422 USD

View

Retailer 8

£355 GBP

$475 USD

View

Retailer 9

£381 GBP

View

Price last confirmed 15 days ago

Retailer 10

£387 GBP

€494 EUR

View

Retailer 11

£403 GBP

ZAR 8,724 ZAR

View

Retailer 12

£444 GBP

View

Retailer 13

£498 GBP

$667 USD

View

Retailer 14

£510 GBP

$684 USD

View

Retailer 15

£544 GBP

A$1,122 AUD

View

B+

Retailer 16

£584 GBP

$782 USD

View

B+

Retailer 17

£750 GBP

$1,005 USD

View

B+

Retailer 18

£755 GBP

SGD 1,367 SGD

View

B+

Retailer 19

£789 GBP

$1,057 USD

View

B+

Retailer 20

£799 GBP

$1,070 USD

View

Retailer 21

£866 GBP

$1,160 USD

View

Retailer 22

£940 GBP

View

Retailer 23

£1,015 GBP

$1,360 USD

View

Retailer 24

£1,060 GBP

$1,420 USD

View

Most Expensive

Queensmith

LG830613236 · Oct 27

£1,981 GBP

View

24 more retailers have this diamond

Prices start from £188 GBPSave up to £1,793 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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