Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG710560333

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG710560333

Diamond specifications and retailer prices

From £1,944 GBP

$2,605 USD

As of October 29, 2026

Save £8,922 GBP (82%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £10,867 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG710560333 or 710560333. Listed at 20 retailers as of October 29, 2026, with prices from £1,944 to £10,867, a £8,922 spread on the same certified stone. Brilliant Earth lists it at £10,867. 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

3.12

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG710560333

Dimensions11.49 × 8.28 × 5.10 mm

L/W Ratio1.39

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 LG710560333

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: £10,867 GBP|Low: £1,555 GBP|High: £10,867 GBP|Avg: £4,366 GBP

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

Retailer 14

Retailer 15

Retailer 16

October 30, 2026

Retailer 16£1,944 GBP

Retailer 5£2,116 GBP

Retailer 4£2,255 GBP

Retailer 14£2,377 GBP

Retailer 12£2,394 GBP

Retailer 2£2,971 GBP

Retailer 13£3,185 GBP

Retailer 9£3,364 GBP

Retailer 3£3,754 GBP

Retailer 11£3,769 GBP

Retailer 7£4,299 GBP

Retailer 15£5,815 GBP

Retailer 10£6,345 GBP

Retailer 8£6,541 GBP

Retailer 6£8,508 GBP

Brilliant Earth£10,867 GBP

45 data points across 16 retailers

20 retailers£1,944 GBP to £10,867 GBP

Cheapest Retailer

£1,944 GBP

$2,605 USD

Retailer 2

£2,005 GBP

$2,687 USD

View

Retailer 3

£2,116 GBP

$2,835 USD

View

Retailer 4

£2,255 GBP

$3,022 USD

View

Retailer 5

£2,377 GBP

$3,185 USD

View

B+

Retailer 6

£2,394 GBP

$3,208 USD

View

Final sale: no returns

B+

Retailer 7

£2,942 GBP

HK$30,800 HKD

View

B+

Retailer 8

£2,971 GBP

View

B+

Retailer 9

£3,185 GBP

$4,268 USD

View

B+

Retailer 10

£3,364 GBP

View

B+

Retailer 11

£3,754 GBP

$5,030 USD

View

B+

Retailer 12

£3,769 GBP

€4,810 EUR

View

Retailer 13

£4,299 GBP

View

Retailer 14

£5,815 GBP

$7,792 USD

View

Retailer 15

£6,345 GBP

View

Retailer 16

£6,537 GBP

$8,759 USD

View

Retailer 17

£6,541 GBP

$8,764 USD

View

Retailer 18

£8,508 GBP

SGD 15,405 SGD

View

Retailer 19

£8,675 GBP

$11,623 USD

View

Most Expensive

Brilliant Earth

17310142Y · Oct 29

£10,867 GBP

$14,560 USD

View

19 more retailers have this diamond

Prices start from £1,944 GBPSave up to £8,922 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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