Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816615069

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615069

Diamond specifications and retailer prices

From $1,963 AUD

$1,379 USD

As of October 23, 2026

20 retailers carry this diamond

Most expensive: $5,679 AUD at Brilliant Earth · As of October 22, 2026

View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615069 or 816615069. Listed at 20 retailers as of October 23, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG816615069

Dimensions7.82 × 7.76 × 4.83 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG816615069

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 23

Current: $5,679 AUD|Low: $776 AUD|High: $5,694 AUD|Avg: $2,389 AUD|-0.3%

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

Retailer 17

Retailer 18

October 23, 2026

Retailer 13$776 AUD

Retailer 5$811 AUD

Retailer 18$831 AUD

Retailer 2$1,318 AUD

Retailer 16$1,327 AUD

Retailer 10$1,394 AUD

Retailer 4$1,423 AUD

Retailer 7$1,529 AUD

Retailer 11$1,927 AUD

Retailer 12$1,963 AUD

Retailer 3$2,670 AUD

Retailer 17$2,712 AUD

Retailer 15$2,856 AUD

Retailer 14$2,902 AUD

Retailer 9$2,979 AUD

Retailer 6$3,769 AUD

Retailer 8$4,662 AUD

Brilliant Earth$5,679 AUD

26 data points across 18 retailers

20 retailers

Retailer 1

$725 AUD

$509 USD

Price last confirmed 9 days ago

Retailer 2

$811 AUD

$570 USD

View

Price last confirmed 10 days ago

Retailer 3

$831 AUD

$584 USD

View

Price last confirmed 9 days ago

Retailer 4

$898 AUD

$631 USD

View

Price last confirmed 14 days ago

Retailer 5

$1,318 AUD

€882 EUR

View

Price last confirmed 7 days ago

Retailer 6

$1,327 AUD

£734 GBP

View

Price last confirmed 8 days ago

Retailer 7

$1,394 AUD

$979 USD

View

Price last confirmed 9 days ago

Retailer 8

$1,423 AUD

$1,000 USD

View

Price last confirmed 7 days ago

Retailer 9

$1,529 AUD

ZAR 17,358 ZAR

View

Price last confirmed 11 days ago

Retailer 10

$1,927 AUD

$1,354 USD

View

Price last confirmed 7 days ago

B+

Retailer 11

$1,963 AUD

$1,379 USD

View

Retailer 12

$2,504 AUD

$1,759 USD

View

Price last confirmed 44 days ago

Retailer 13

$2,670 AUD

$1,876 USD

View

Price last confirmed 9 days ago

Retailer 14

$2,712 AUD

$1,906 USD

View

Price last confirmed 8 days ago

Retailer 15

$2,856 AUD

SGD 2,711 SGD

View

Price last confirmed 8 days ago

Retailer 16

$2,902 AUD

$2,039 USD

View

Price last confirmed 8 days ago

Retailer 17

$2,979 AUD

$2,093 USD

View

Price last confirmed 8 days ago

Retailer 18

$3,769 AUD

£2,085 GBP

View

Price last confirmed 9 days ago

Retailer 19

$4,662 AUD

$3,275 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

21421734A · Oct 22

$5,679 AUD

$3,990 USD

View

Price last confirmed 7 days ago

19 more retailers have this diamond

Prices start from $1,963 AUD

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.

Similar diamonds

B+

1.81ct Round

$1,963 AUD