Oval|Lab Grown|IGI

6.12ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG597381380

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG597381380

Diamond specifications and retailer prices

From £1,105 GBP

$1,480 USD

As of October 31, 2026

Save £3,227 GBP (75%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £4,332 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 6.12ct lab-grown oval diamond

This 6.12ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG597381380 or 597381380. Listed at 17 retailers as of October 31, 2026, with prices from £1,105 to £4,332, a £3,227 spread on the same certified stone. Taylor and Hart lists it at £4,332. 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

6.12

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG597381380

Dimensions15.28 × 10.07 × 6.14 mm

L/W Ratio1.52

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG597381380

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 31

Current: £1,225 GBP|Low: £1,070 GBP|High: £4,332 GBP|Avg: £2,388 GBP|+13.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Taylor and Hart

November 1, 2026

Retailer 4£1,105 GBP

Retailer 1£1,225 GBP

Retailer 2£1,539 GBP

Retailer 3£1,541 GBP

Retailer 11£1,809 GBP

Retailer 9£1,935 GBP

Retailer 8£1,970 GBP

Retailer 7£2,007 GBP

Retailer 6£2,119 GBP

Retailer 10£3,229 GBP

Retailer 5£3,620 GBP

Retailer 12£3,948 GBP

Taylor and Hart£4,332 GBP

38 data points across 13 retailers

17 retailers£1,105 GBP to £4,332 GBP

Retailer 1

£986 GBP

$1,321 USD

Price last confirmed 33 days ago

Retailer 2

£1,072 GBP

$1,437 USD

View

Price last confirmed 36 days ago

Retailer 3

£1,105 GBP

$1,480 USD

View

Final sale: no returns

Retailer 4

£1,128 GBP

$1,511 USD

View

Price last confirmed 33 days ago

Retailer 5

£1,225 GBP

View

B+

Retailer 6

£1,539 GBP

$2,062 USD

View

B+

Retailer 7

£1,541 GBP

$2,065 USD

View

Retailer 8

£1,809 GBP

$2,424 USD

View

B+

Retailer 9

£1,935 GBP

ZAR 41,879 ZAR

View

B+

Retailer 10

£1,970 GBP

$2,640 USD

View

Retailer 11

£2,119 GBP

A$4,369 AUD

View

Retailer 12

£2,144 GBP

$2,873 USD

View

Price last confirmed 31 days ago

Retailer 13

£2,764 GBP

View

Retailer 14

£3,229 GBP

View

Retailer 15

£3,620 GBP

SGD 6,555 SGD

View

Retailer 16

£3,948 GBP

$5,290 USD

View

Most Expensive

Taylor and Hart

NYZW6ZV · Oct 31

£4,332 GBP

$5,804 USD

View

16 more retailers have this diamond

Prices start from £1,105 GBPSave up to £3,227 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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