Oval|Lab Grown|IGI

4.51ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG706554639

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG706554639

Diamond specifications and retailer prices

From $1,027 NZD

$579 USD

As of November 1, 2026

Save $4,536 NZD (82%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $5,564 NZD at MOH London · As of October 29, 2026

View at MOH London

About this 4.51ct lab-grown oval diamond

This 4.51ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706554639 or 706554639. Listed at 17 retailers as of October 29, 2026, with prices from $1,027 to $5,564, a $4,536 spread on the same certified stone. MOH London lists it at $5,564. 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

4.51

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG706554639

Dimensions13.62 × 9.08 × 6.76 mm

L/W Ratio1.50

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG706554639

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: $5,564 NZD|Low: $987 NZD|High: $5,854 NZD|Avg: $2,846 NZD|-0.7%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 1, 2026

Retailer 10$1,027 NZD

Retailer 2$1,100 NZD

Retailer 13$1,274 NZD

Retailer 7$1,508 NZD

Retailer 9$1,707 NZD

Retailer 6$1,992 NZD

Retailer 4$3,100 NZD

Retailer 8$3,164 NZD

Retailer 12$3,353 NZD

Retailer 11$3,705 NZD

Retailer 5$4,104 NZD

Retailer 3$4,128 NZD

MOH London$5,564 NZD

35 data points across 13 retailers

17 retailers$1,027 NZD to $5,564 NZD

Cheapest Retailer

$1,027 NZD

$579 USD

Retailer 2

$1,100 NZD

£488 GBP

View

Retailer 3

$1,137 NZD

$641 USD

View

Price last confirmed 39 days ago

Retailer 4

$1,274 NZD

$718 USD

View

Price last confirmed 16 days ago

Retailer 5

$1,274 NZD

$718 USD

View

Retailer 6

$1,301 NZD

$733 USD

View

Price last confirmed 37 days ago

Retailer 7

$1,508 NZD

$850 USD

View

B+

Retailer 8

$1,707 NZD

$962 USD

View

Retailer 9

$1,992 NZD

£884 GBP

View

B+

Retailer 10

$3,100 NZD

$1,747 USD

View

B+

Retailer 11

$3,164 NZD

$1,783 USD

View

B+

Retailer 12

$3,353 NZD

$1,890 USD

View

B+

Retailer 13

$3,705 NZD

£1,644 GBP

View

B+

Retailer 14

$4,104 NZD

$2,313 USD

View

B+

Retailer 15

$4,128 NZD

$2,327 USD

View

Retailer 16

$5,176 NZD

A$4,488 AUD

View

Price last confirmed 121 days ago

Most Expensive

MOH London

LG706554639 · Oct 29

$5,564 NZD

£2,469 GBP

View

16 more retailers have this diamond

Prices start from $1,027 NZDSave up to $4,536 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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4.51ct Oval

$1,027 NZD