Round|Lab Grown|IGI

1.88ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG812621962

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812621962

Diamond specifications and retailer prices

From $569 AUD

$400 USD

As of October 30, 2026

Save $4,299 AUD (88%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $4,868 AUD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.88ct lab-grown round diamond

This 1.88ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621962 or 812621962. Listed at 26 retailers as of October 29, 2026, with prices from $569 to $4,868, a $4,299 spread on the same certified stone. Brilliant Earth lists it at $4,868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812621962

Dimensions8.04 × 8.00 × 4.80 mm

L/W Ratio1.00

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 LG812621962

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: $4,868 AUD|Low: $132 AUD|High: $4,868 AUD|Avg: $1,638 AUD

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 30, 2026

Retailer 7$569 AUD

Retailer 10$650 AUD

Retailer 4$890 AUD

Retailer 16$890 AUD

Retailer 12$1,021 AUD

Retailer 9$1,030 AUD

Retailer 15$1,086 AUD

Retailer 11$1,136 AUD

Retailer 5$1,442 AUD

Retailer 14$1,467 AUD

Retailer 17$1,855 AUD

Retailer 3$1,860 AUD

Retailer 6$2,090 AUD

Retailer 2$2,388 AUD

Retailer 8$2,418 AUD

Retailer 13$2,484 AUD

Retailer 18$3,679 AUD

Brilliant Earth$4,868 AUD

37 data points across 18 retailers

26 retailers$569 AUD to $4,868 AUD

Retailer 1

$510 AUD

$358 USD

Price last confirmed 19 days ago

Retailer 2

$524 AUD

$368 USD

View

Price last confirmed 38 days ago

Retailer 3

$569 AUD

$400 USD

View

Final sale: no returns

Retailer 4

$608 AUD

$427 USD

View

Price last confirmed 38 days ago

Retailer 5

$632 AUD

$444 USD

View

Price last confirmed 27 days ago

Retailer 6

$632 AUD

$444 USD

View

Price last confirmed 18 days ago

Retailer 7

$642 AUD

$451 USD

View

Price last confirmed 35 days ago

Retailer 8

$642 AUD

$451 USD

View

Price last confirmed 48 days ago

Retailer 9

$890 AUD

$625 USD

View

Retailer 10

$890 AUD

$625 USD

View

Retailer 11

$1,021 AUD

€683 EUR

View

Retailer 12

$1,086 AUD

ZAR 12,330 ZAR

View

Retailer 13

$1,136 AUD

£628 GBP

View

Retailer 14

$1,442 AUD

$1,013 USD

View

Retailer 15

$1,467 AUD

View

B+

Retailer 16

$1,855 AUD

$1,303 USD

View

B+

Retailer 17

$1,860 AUD

$1,307 USD

View

Retailer 18

$2,033 AUD

$1,428 USD

View

Price last confirmed 22 days ago

Retailer 19

$2,090 AUD

$1,468 USD

View

Price last confirmed 39 days ago

B+

Retailer 20

$2,090 AUD

$1,469 USD

View

B+

Retailer 21

$2,388 AUD

$1,678 USD

View

B+

Retailer 22

$2,418 AUD

$1,698 USD

View

B+

Retailer 23

$2,484 AUD

£1,374 GBP

View

B+

Retailer 24

$3,679 AUD

$2,585 USD

View

B+

Retailer 25

$3,687 AUD

$2,590 USD

View

Most Expensive

Brilliant Earth

21017035A · Oct 29

$4,868 AUD

$3,420 USD

View

25 more retailers have this diamond

Prices start from $569 AUDSave up to $4,299 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

1.88ct Round

$569 AUD