Round|Lab Grown|IGI

7.12ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG791609684

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791609684

Diamond specifications and retailer prices

From £25,910 GBP

$34,716 USD

As of October 30, 2026

Save £24,354 GBP (48%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £50,264 GBP at Blue Nile · As of October 31, 2026

View at Blue Nile

About this 7.12ct lab-grown round diamond

This 7.12ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791609684 or 791609684. Listed at 21 retailers as of October 30, 2026, with prices from £25,910 to £50,264, a £24,354 spread on the same certified stone. Blue Nile lists it at £50,264. 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

7.12

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG791609684

Dimensions12.31 × 12.39 × 7.55 mm

L/W Ratio1.01

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 LG791609684

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: £50,264 GBP|Low: £25,076 GBP|High: £323,309 GBP|Avg: £65,853 GBP|-2.2%

Blue Nile

Retailer 2

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October 31, 2026

Retailer 12£25,076 GBP

Retailer 7£25,910 GBP

Retailer 19£27,447 GBP

Retailer 20£27,447 GBP

Retailer 16£27,666 GBP

Retailer 18£29,552 GBP

Retailer 8£30,740 GBP

Retailer 17£31,368 GBP

Retailer 10£31,838 GBP

Retailer 11£31,838 GBP

Retailer 2£35,515 GBP

Retailer 13£42,885 GBP

Retailer 15£43,302 GBP

Blue Nile£50,264 GBP

Retailer 14£57,031 GBP

Retailer 6£72,618 GBP

Retailer 3£87,606 GBP

Retailer 5£95,088 GBP

Retailer 4£122,965 GBP

Retailer 9£287,412 GBP

32 data points across 20 retailers

21 retailers£25,910 GBP to £50,264 GBP

Retailer 1

£25,076 GBP

$33,599 USD

Price last confirmed 76 days ago

B+

Retailer 2

£25,910 GBP

$34,716 USD

View

B+

Retailer 3

£27,447 GBP

$36,776 USD

View

B+

Retailer 4

£27,447 GBP

$36,776 USD

View

B+

Retailer 5

£27,666 GBP

$37,070 USD

View

B+

Retailer 6

£29,552 GBP

$39,596 USD

View

B+

Retailer 7

£30,740 GBP

$41,188 USD

View

Final sale: no returns

B+

Retailer 8

£31,368 GBP

$42,030 USD

View

B+

Retailer 9

£31,838 GBP

$42,660 USD

View

Retailer 10

£31,838 GBP

$42,660 USD

View

Price last confirmed 15 days ago

B+

Retailer 11

£35,515 GBP

View

Retailer 12

£42,885 GBP

View

Retailer 13

£43,302 GBP

$58,020 USD

View

Most Expensive

Blue Nile

29154949 · Oct 31

£50,264 GBP

$67,348 USD

View

13 more retailers have this diamond

Prices start from £25,910 GBPSave up to £24,354 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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B+

7.12ct Round

£25,910 GBP