Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG708567347

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG708567347

Diamond specifications and retailer prices

From £233 GBP

$312 USD

As of October 30, 2026

Save £2,282 GBP (91%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: £2,515 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant 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 LG708567347 or 708567347. Listed at 27 retailers as of October 30, 2026, with prices from £233 to £2,515, a £2,282 spread on the same certified stone. Brilliant Earth lists it at £2,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.6°

Pavilion angle35.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG708567347

Dimensions8.90 × 5.99 × 3.85 mm

L/W Ratio1.49

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG708567347

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 30

Current: £2,515 GBP|Low: £233 GBP|High: £2,873 GBP|Avg: £906 GBP|-12.5%

Brilliant Earth

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October 31, 2026

Retailer 4£233 GBP

Retailer 14£260 GBP

Retailer 23£270 GBP

Retailer 7£289 GBP

Retailer 15£289 GBP

Retailer 22£401 GBP

Retailer 21£403 GBP

Retailer 13£419 GBP

Retailer 6£485 GBP

Retailer 20£547 GBP

Retailer 2£572 GBP

Retailer 3£693 GBP

Retailer 19£739 GBP

Retailer 8£846 GBP

Retailer 5£1,024 GBP

Retailer 11£1,108 GBP

Retailer 16£1,143 GBP

Retailer 10£1,153 GBP

Retailer 17£1,168 GBP

Retailer 12£1,240 GBP

Retailer 18£1,251 GBP

Retailer 9£2,067 GBP

Retailer 24£2,067 GBP

Brilliant Earth£2,515 GBP

37 data points across 24 retailers

27 retailers£233 GBP to £2,515 GBP

Cheapest Retailer

£233 GBP

$312 USD

Retailer 2

£260 GBP

$349 USD

View

Final sale: no returns

Retailer 3

£270 GBP

$362 USD

View

Retailer 4

£289 GBP

$387 USD

View

Retailer 5

£289 GBP

$387 USD

View

Retailer 6

£401 GBP

HK$4,200 HKD

View

Retailer 7

£403 GBP

$540 USD

View

Retailer 8

£419 GBP

$561 USD

View

Retailer 9

£485 GBP

$650 USD

View

Retailer 10

£547 GBP

ZAR 11,844 ZAR

View

Retailer 11

£572 GBP

View

Retailer 12

£693 GBP

$929 USD

View

Retailer 13

£739 GBP

A$1,523 AUD

View

B+

Retailer 14

£846 GBP

$1,134 USD

View

B+

Retailer 15

£1,024 GBP

$1,372 USD

View

B+

Retailer 16

£1,088 GBP

$1,458 USD

View

B+

Retailer 17

£1,108 GBP

$1,485 USD

View

B+

Retailer 18

£1,143 GBP

$1,531 USD

View

B+

Retailer 19

£1,153 GBP

$1,545 USD

View

B+

Retailer 20

£1,168 GBP

SGD 2,114 SGD

View

B+

Retailer 21

£1,240 GBP

View

B+

Retailer 22

£1,251 GBP

View

Retailer 23

£2,067 GBP

$2,770 USD

View

Retailer 24

£2,067 GBP

$2,770 USD

View

Retailer 25

£2,166 GBP

$2,902 USD

View

Price last confirmed 102 days ago

Retailer 26

£2,256 GBP

View

Most Expensive

Brilliant Earth

20152276Y · Oct 30

£2,515 GBP

$3,370 USD

View

26 more retailers have this diamond

Prices start from £233 GBPSave up to £2,282 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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