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 $712 NZD

$400 USD

As of October 28, 2026

Save $5,377 NZD (88%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $6,089 NZD 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 28, 2026, with prices from $712 to $6,089, a $5,377 spread on the same certified stone. Brilliant Earth lists it at $6,089. 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 28

Current: $6,089 NZD|Low: $165 NZD|High: $6,089 NZD|Avg: $2,143 NZD

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

October 30, 2026

Retailer 7$712 NZD

Retailer 4$1,113 NZD

Retailer 15$1,113 NZD

Retailer 10$1,277 NZD

Retailer 9$1,289 NZD

Retailer 14$1,359 NZD

Retailer 2$1,421 NZD

Retailer 5$1,804 NZD

Retailer 12$1,836 NZD

Retailer 16$2,320 NZD

Retailer 3$2,327 NZD

Retailer 6$2,615 NZD

Retailer 13$2,747 NZD

Retailer 8$3,024 NZD

Retailer 11$3,107 NZD

Retailer 17$4,603 NZD

Brilliant Earth$6,089 NZD

37 data points across 17 retailers

26 retailers$712 NZD to $6,089 NZD

Retailer 1

$637 NZD

$358 USD

Price last confirmed 19 days ago

Retailer 2

$655 NZD

$368 USD

View

Price last confirmed 37 days ago

Retailer 3

$712 NZD

$400 USD

View

Final sale: no returns

Retailer 4

$760 NZD

$427 USD

View

Price last confirmed 37 days ago

Retailer 5

$791 NZD

$444 USD

View

Price last confirmed 27 days ago

Retailer 6

$791 NZD

$444 USD

View

Price last confirmed 17 days ago

Retailer 7

$803 NZD

$451 USD

View

Price last confirmed 35 days ago

Retailer 8

$803 NZD

$451 USD

View

Price last confirmed 48 days ago

Retailer 9

$1,113 NZD

$625 USD

View

Retailer 10

$1,113 NZD

$625 USD

View

Retailer 11

$1,277 NZD

€683 EUR

View

Retailer 12

$1,359 NZD

ZAR 12,330 ZAR

View

Retailer 13

$1,421 NZD

£628 GBP

View

Retailer 14

$1,804 NZD

$1,013 USD

View

Retailer 15

$1,836 NZD

A$1,586 AUD

View

B+

Retailer 16

$2,320 NZD

$1,303 USD

View

B+

Retailer 17

$2,327 NZD

$1,307 USD

View

Retailer 18

$2,543 NZD

$1,428 USD

View

Price last confirmed 22 days ago

Retailer 19

$2,614 NZD

$1,468 USD

View

Price last confirmed 39 days ago

B+

Retailer 20

$2,615 NZD

$1,469 USD

View

B+

Retailer 21

$2,747 NZD

$1,543 USD

View

B+

Retailer 22

$3,024 NZD

$1,698 USD

View

B+

Retailer 23

$3,107 NZD

£1,374 GBP

View

B+

Retailer 24

$4,603 NZD

$2,585 USD

View

B+

Retailer 25

$4,611 NZD

$2,590 USD

View

Most Expensive

Brilliant Earth

21017035A · Oct 29

$6,089 NZD

$3,420 USD

View

25 more retailers have this diamond

Prices start from $712 NZDSave up to $5,377 NZD

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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1.88ct Round

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