Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG720514905

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720514905

Diamond specifications and retailer prices

From $1,293 NZD

$729 USD

As of November 1, 2026

Save $8,483 NZD (87%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $9,776 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720514905 or 720514905. Listed at 25 retailers as of October 31, 2026, with prices from $1,293 to $9,776, a $8,483 spread on the same certified stone. Brilliant Earth lists it at $9,776. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720514905

Dimensions11.37 × 11.42 × 6.89 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG720514905

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: $9,776 NZD|Low: $1,293 NZD|High: $10,291 NZD|Avg: $3,830 NZD|-5.0%

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

Retailer 19

Retailer 20

Retailer 21

November 2, 2026

Retailer 11$1,293 NZD

Retailer 7$1,407 NZD

Retailer 4$1,501 NZD

Retailer 12$1,501 NZD

Retailer 21$1,771 NZD

Retailer 17$1,810 NZD

Retailer 13$1,963 NZD

Retailer 5$2,232 NZD

Retailer 15$2,399 NZD

Retailer 2$2,407 NZD

Retailer 6$2,433 NZD

Retailer 20$3,295 NZD

Retailer 18$3,308 NZD

Retailer 8$3,852 NZD

Retailer 3$4,218 NZD

Retailer 9$5,071 NZD

Retailer 10$5,171 NZD

Retailer 16$5,890 NZD

Retailer 14$6,686 NZD

Retailer 19$7,621 NZD

Brilliant Earth$9,776 NZD

30 data points across 21 retailers

25 retailers$1,293 NZD to $9,776 NZD

Cheapest Retailer

$1,293 NZD

$729 USD

Retailer 2

$1,407 NZD

$793 USD

View

Retailer 3

$1,501 NZD

$846 USD

View

Price last confirmed 16 days ago

Retailer 4

$1,501 NZD

$846 USD

View

Retailer 5

$1,531 NZD

$863 USD

View

Final sale: no returns

Retailer 6

$1,771 NZD

HK$7,800 HKD

View

Retailer 7

$1,810 NZD

$1,020 USD

View

Retailer 8

$1,963 NZD

£871 GBP

View

Retailer 9

$2,232 NZD

$1,258 USD

View

Retailer 10

$2,399 NZD

£1,065 GBP

View

Retailer 11

$2,407 NZD

€1,292 EUR

View

B+

Retailer 12

$2,433 NZD

$1,371 USD

View

B+

Retailer 13

$3,295 NZD

$1,857 USD

View

B+

Retailer 14

$3,308 NZD

A$2,868 AUD

View

B+

Retailer 15

$3,852 NZD

$2,171 USD

View

B+

Retailer 16

$4,218 NZD

$2,377 USD

View

B+

Retailer 17

$4,966 NZD

$2,799 USD

View

B+

Retailer 18

$5,071 NZD

$2,858 USD

View

Retailer 19

$5,171 NZD

$2,915 USD

View

Price last confirmed 14 days ago

Retailer 20

$5,890 NZD

£2,614 GBP

View

Retailer 21

$6,686 NZD

A$5,797 AUD

View

Price last confirmed 25 days ago

Retailer 22

$7,567 NZD

$4,265 USD

View

Retailer 23

$7,585 NZD

$4,275 USD

View

Retailer 24

$7,621 NZD

$4,295 USD

View

Most Expensive

Brilliant Earth

18300038A · Oct 31

$9,776 NZD

$5,510 USD

View

24 more retailers have this diamond

Prices start from $1,293 NZDSave up to $8,483 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

5.51ct Round

$1,293 NZD