Oval|Lab Grown|IGI

1.73ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG628418611

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG628418611

Diamond specifications and retailer prices

From $547 NZD

$308 USD

As of November 1, 2026

Save $4,870 NZD (90%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $5,417 NZD at Queensmith · As of October 27, 2026

View at Queensmith

About this 1.73ct lab-grown oval diamond

This 1.73ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628418611 or 628418611. Listed at 26 retailers as of October 27, 2026, with prices from $547 to $5,417, a $4,870 spread on the same certified stone. Queensmith lists it at $5,417. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG628418611

Dimensions10.01 × 6.80 × 4.13 mm

L/W Ratio1.47

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG628418611

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: Nov 1

Current: $1,291 NZD|Low: $535 NZD|High: $5,048 NZD|Avg: $2,008 NZD|+0.6%

Retailer 1

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

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

November 2, 2026

Retailer 9$547 NZD

Retailer 6$611 NZD

Retailer 21$634 NZD

Retailer 3$677 NZD

Retailer 13$677 NZD

Retailer 20$951 NZD

Retailer 11$955 NZD

Retailer 18$981 NZD

Retailer 2$1,153 NZD

Retailer 1$1,291 NZD

Retailer 12$1,331 NZD

Retailer 19$1,737 NZD

Retailer 23$1,792 NZD

Retailer 5$2,083 NZD

Retailer 7$2,406 NZD

Retailer 15$2,606 NZD

Retailer 14$2,690 NZD

Retailer 4$2,724 NZD

Retailer 10$2,749 NZD

Retailer 17$3,000 NZD

Retailer 22$4,337 NZD

Retailer 8$4,852 NZD

Retailer 16$5,048 NZD

41 data points across 23 retailers

26 retailers$547 NZD to $5,417 NZD

Cheapest Retailer

$547 NZD

$308 USD

Retailer 2

$611 NZD

$344 USD

View

Final sale: no returns

Retailer 3

$634 NZD

$357 USD

View

Retailer 4

$677 NZD

$381 USD

View

Price last confirmed 8 days ago

Retailer 5

$677 NZD

$381 USD

View

Retailer 6

$951 NZD

$535 USD

View

Retailer 7

$955 NZD

HK$4,200 HKD

View

Retailer 8

$981 NZD

$552 USD

View

Retailer 9

$1,153 NZD

$649 USD

View

Retailer 10

$1,291 NZD

ZAR 11,731 ZAR

View

Retailer 11

$1,331 NZD

£590 GBP

View

Retailer 12

$1,737 NZD

A$1,504 AUD

View

Retailer 13

$1,792 NZD

$1,008 USD

View

B+

Retailer 14

$2,083 NZD

$1,172 USD

View

B+

Retailer 15

$2,406 NZD

$1,354 USD

View

B+

Retailer 16

$2,538 NZD

$1,428 USD

View

Retailer 17

$2,606 NZD

$1,466 USD

View

Price last confirmed 7 days ago

B+

Retailer 18

$2,690 NZD

$1,513 USD

View

B+

Retailer 19

$2,724 NZD

$1,533 USD

View

B+

Retailer 20

$2,749 NZD

SGD 2,090 SGD

View

B+

Retailer 21

$3,000 NZD

£1,329 GBP

View

Retailer 22

$4,206 NZD

$2,367 USD

View

Price last confirmed 54 days ago

Retailer 23

$4,337 NZD

$2,440 USD

View

Retailer 24

$4,852 NZD

$2,730 USD

View

Retailer 25

$5,048 NZD

$2,840 USD

View

Most Expensive

Queensmith

LG628418611 · Oct 27

$5,417 NZD

£2,400 GBP

View

25 more retailers have this diamond

Prices start from $547 NZDSave up to $4,870 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.

Similar diamonds

1.73ct Oval

$547 NZD