Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG607370993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607370993

Diamond specifications and retailer prices

From $819 NZD

$460 USD

As of October 29, 2026

Save $7,692 NZD (90%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $8,511 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct 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 LG607370993 or 607370993. Listed at 25 retailers as of October 29, 2026, with prices from $819 to $8,511, a $7,692 spread on the same certified stone. Brilliant Earth lists it at $8,511. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG607370993

Dimensions7.95 × 7.90 × 4.90 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 LG607370993

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 29

Current: $8,511 NZD|Low: $819 NZD|High: $9,401 NZD|Avg: $3,078 NZD|-9.5%

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 4$819 NZD

Retailer 13$917 NZD

Retailer 14$919 NZD

Retailer 21$1,017 NZD

Retailer 7$1,117 NZD

Retailer 20$1,273 NZD

Retailer 23$1,362 NZD

Retailer 3$1,465 NZD

Retailer 17$1,555 NZD

Retailer 2$1,674 NZD

Retailer 19$1,747 NZD

Retailer 18$2,150 NZD

Retailer 5$2,366 NZD

Retailer 6$2,457 NZD

Retailer 9$3,231 NZD

Retailer 12$3,269 NZD

Retailer 11$3,323 NZD

Retailer 15$3,477 NZD

Retailer 8$3,605 NZD

Retailer 16$3,692 NZD

Retailer 22$3,740 NZD

Retailer 10$3,805 NZD

Brilliant Earth$8,511 NZD

30 data points across 23 retailers

25 retailers$819 NZD to $8,511 NZD

Cheapest Retailer

$819 NZD

$460 USD

Retailer 2

$917 NZD

$515 USD

View

Final sale: no returns

Retailer 3

$919 NZD

$516 USD

View

Retailer 4

$1,017 NZD

$571 USD

View

Retailer 5

$1,117 NZD

HK$4,900 HKD

View

Retailer 6

$1,273 NZD

$715 USD

View

Retailer 7

$1,362 NZD

$765 USD

View

Retailer 8

$1,398 NZD

$785 USD

View

Price last confirmed 13 days ago

Retailer 9

$1,465 NZD

$823 USD

View

Retailer 10

$1,555 NZD

€832 EUR

View

Retailer 11

$1,674 NZD

£740 GBP

View

Retailer 12

$1,747 NZD

ZAR 15,852 ZAR

View

Retailer 13

$2,150 NZD

A$1,858 AUD

View

Retailer 14

$2,366 NZD

$1,329 USD

View

B+

Retailer 15

$2,457 NZD

$1,380 USD

View

B+

Retailer 16

$3,231 NZD

SGD 2,452 SGD

View

B+

Retailer 17

$3,269 NZD

$1,836 USD

View

B+

Retailer 18

$3,323 NZD

$1,866 USD

View

B+

Retailer 19

$3,477 NZD

A$3,004 AUD

View

Price last confirmed 8 days ago

B+

Retailer 20

$3,568 NZD

$2,004 USD

View

B+

Retailer 21

$3,605 NZD

$2,025 USD

View

B+

Retailer 22

$3,692 NZD

A$3,190 AUD

View

Price last confirmed 21 days ago

B+

Retailer 23

$3,740 NZD

£1,654 GBP

View

B+

Retailer 24

$3,805 NZD

$2,137 USD

View

Most Expensive

Brilliant Earth

14484113A · Oct 29

$8,511 NZD

$4,780 USD

View

24 more retailers have this diamond

Prices start from $819 NZDSave up to $7,692 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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