Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788621384

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621384

Diamond specifications and retailer prices

From $1,340 NZD

$755 USD

As of October 31, 2026

Save $4,535 NZD (77%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $13,502 NZD at Brilliant Earth · As of October 16, 2026

View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788621384 or 788621384. Listed at 26 retailers as of October 29, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG788621384

Dimensions8.77 × 8.86 × 5.25 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 LG788621384

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 31

Current: $13,502 NZD|Low: $1,148 NZD|High: $13,502 NZD|Avg: $3,206 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

October 31, 2026

Retailer 4$1,196 NZD

Retailer 7$1,388 NZD

Retailer 16$1,388 NZD

Retailer 11$1,862 NZD

Retailer 8$1,984 NZD

Retailer 15$1,987 NZD

Retailer 14$2,143 NZD

Retailer 9$2,212 NZD

Retailer 2$2,454 NZD

Retailer 3$3,100 NZD

Retailer 10$3,293 NZD

Retailer 13$3,578 NZD

Retailer 6$4,471 NZD

Retailer 5$4,567 NZD

Retailer 12$5,875 NZD

Brilliant Earth$13,502 NZD

31 data points across 16 retailers

26 retailers$1,340 NZD to $5,875 NZD

Retailer 1

$1,196 NZD

$674 USD

Price last confirmed 21 days ago

Retailer 2

$1,301 NZD

$733 USD

View

Price last confirmed 18 days ago

Retailer 3

$1,340 NZD

$755 USD

View

Final sale: no returns

Retailer 4

$1,388 NZD

$782 USD

View

Price last confirmed 29 days ago

Retailer 5

$1,388 NZD

$782 USD

View

Price last confirmed 14 days ago

Retailer 6

$1,388 NZD

$782 USD

View

Price last confirmed 19 days ago

Retailer 7

$1,862 NZD

£826 GBP

View

Retailer 8

$1,888 NZD

$1,064 USD

View

Retailer 9

$1,984 NZD

$1,118 USD

View

Retailer 10

$1,987 NZD

$1,120 USD

View

B+

Retailer 11

$2,143 NZD

A$1,858 AUD

View

B+

Retailer 12

$2,212 NZD

£982 GBP

View

B+

Retailer 13

$2,454 NZD

€1,317 EUR

View

B+

Retailer 14

$2,555 NZD

$1,440 USD

View

B+

Retailer 15

$3,100 NZD

$1,747 USD

View

Retailer 16

$3,293 NZD

A$2,855 AUD

View

B+

Retailer 17

$3,578 NZD

ZAR 32,582 ZAR

View

Retailer 18

$3,900 NZD

$2,198 USD

View

Price last confirmed 24 days ago

Retailer 19

$4,471 NZD

$2,520 USD

View

Retailer 20

$4,567 NZD

A$3,960 AUD

View

Price last confirmed 23 days ago

Retailer 21

$4,664 NZD

SGD 3,552 SGD

View

Retailer 22

$4,732 NZD

$2,667 USD

View

Retailer 23

$4,785 NZD

$2,697 USD

View

Retailer 24

$4,801 NZD

$2,706 USD

View

Retailer 25

$5,875 NZD

£2,607 GBP

View

Most Expensive

Brilliant Earth

19705661A · Oct 16

$13,502 NZD

$7,610 USD

View

Price under review

25 more retailers have this diamond

Prices start from $1,340 NZDSave up to $4,535 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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