Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643412292

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643412292

Diamond specifications and retailer prices

From £196 GBP

$262 USD

As of October 29, 2026

Save £1,805 GBP (90%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: £2,000 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643412292 or 643412292. Listed at 27 retailers as of October 29, 2026, with prices from £196 to £2,000, a £1,805 spread on the same certified stone. Brilliant Earth lists it at £2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG643412292

Dimensions9.61 × 6.53 × 3.97 mm

L/W Ratio1.47

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG643412292

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: £2,000 GBP|Low: £187 GBP|High: £2,440 GBP|Avg: £732 GBP|-18.0%

Brilliant Earth

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October 30, 2026

Retailer 24£196 GBP

Retailer 23£226 GBP

Retailer 3£231 GBP

Retailer 26£242 GBP

Retailer 5£286 GBP

Retailer 6£355 GBP

Retailer 17£363 GBP

Retailer 7£379 GBP

Retailer 22£439 GBP

Retailer 14£440 GBP

Retailer 21£459 GBP

Retailer 2£472 GBP

Retailer 15£528 GBP

Retailer 16£599 GBP

Retailer 9£619 GBP

Retailer 20£621 GBP

Retailer 4£743 GBP

Retailer 25£859 GBP

Retailer 11£952 GBP

Retailer 18£982 GBP

Retailer 10£1,035 GBP

Retailer 19£1,054 GBP

Retailer 13£1,077 GBP

Retailer 8£1,457 GBP

Retailer 12£1,731 GBP

Brilliant Earth£2,000 GBP

32 data points across 26 retailers

27 retailers£196 GBP to £2,000 GBP

Cheapest Retailer

£196 GBP

$262 USD

Retailer 2

£226 GBP

$303 USD

View

Retailer 3

£231 GBP

$310 USD

View

Final sale: no returns

Retailer 4

£242 GBP

$324 USD

View

Retailer 5

£286 GBP

View

Price last confirmed 15 days ago

Retailer 6

£355 GBP

$475 USD

View

Retailer 7

£363 GBP

HK$3,800 HKD

View

Retailer 8

£379 GBP

$508 USD

View

Retailer 9

£439 GBP

€560 EUR

View

Retailer 10

£440 GBP

$589 USD

View

Retailer 11

£459 GBP

ZAR 9,936 ZAR

View

Retailer 12

£472 GBP

View

Retailer 13

£528 GBP

A$1,088 AUD

View

Retailer 14

£599 GBP

$803 USD

View

Retailer 15

£619 GBP

$829 USD

View

Retailer 16

£621 GBP

A$1,281 AUD

View

B+

Retailer 17

£743 GBP

$996 USD

View

B+

Retailer 18

£859 GBP

$1,151 USD

View

B+

Retailer 19

£952 GBP

$1,276 USD

View

B+

Retailer 20

£982 GBP

$1,316 USD

View

B+

Retailer 21

£1,035 GBP

$1,387 USD

View

B+

Retailer 22

£1,054 GBP

SGD 1,909 SGD

View

B+

Retailer 23

£1,077 GBP

View

Retailer 24

£1,457 GBP

A$3,003 AUD

View

Price last confirmed 25 days ago

Retailer 25

£1,731 GBP

$2,320 USD

View

Retailer 26

£1,806 GBP

$2,420 USD

View

Price last confirmed 32 days ago

Most Expensive

Brilliant Earth

13057304Y · Oct 30

£2,000 GBP

$2,680 USD

View

26 more retailers have this diamond

Prices start from £196 GBPSave up to £1,805 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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