Oval|Lab Grown|IGI

4.55ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG815630805

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815630805

Diamond specifications and retailer prices

From $2,390 NZD

$1,345 USD

As of November 3, 2026

Save $13,516 NZD (85%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $18,982 NZD at Brilliant Earth · As of November 1, 2026

View at Brilliant Earth

About this 4.55ct lab-grown oval diamond

This 4.55ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815630805 or 815630805. Listed at 15 retailers as of November 2, 2026, with a 565% 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

4.55

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.9°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG815630805

Dimensions12.91 × 9.30 × 5.83 mm

L/W Ratio1.39

Girdle conditionFaceted

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 LG815630805

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 3

Current: $18,982 NZD|Low: $1,919 NZD|High: $18,982 NZD|Avg: $6,004 NZD|+1.0%

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

November 1, 2026

Retailer 10$2,390 NZD

Retailer 5$2,410 NZD

Retailer 7$2,799 NZD

Retailer 14$2,929 NZD

Retailer 9$3,488 NZD

Retailer 15$3,544 NZD

Retailer 11$4,345 NZD

Retailer 8$4,917 NZD

Retailer 3$5,053 NZD

Retailer 6$5,636 NZD

Retailer 4$6,773 NZD

Retailer 2$7,372 NZD

Retailer 13$12,209 NZD

Retailer 12$15,907 NZD

Brilliant Earth$18,982 NZD

30 data points across 15 retailers

15 retailers$2,390 NZD to $15,907 NZD

Retailer 1

$1,413 NZD

$795 USD

Price last confirmed 32 days ago

Retailer 2

$2,390 NZD

$1,345 USD

View

Retailer 3

$2,410 NZD

$1,356 USD

View

Price last confirmed 13 days ago

Retailer 4

$2,929 NZD

$1,648 USD

View

B+

Retailer 5

$3,488 NZD

€1,869 EUR

View

Retailer 6

$3,544 NZD

$1,994 USD

View

Price last confirmed 10 days ago

B+

Retailer 7

$4,345 NZD

$2,445 USD

View

B+

Retailer 8

$4,917 NZD

A$4,256 AUD

View

Retailer 9

$5,053 NZD

$2,843 USD

View

Price last confirmed 7 days ago

Retailer 10

$5,298 NZD

$2,981 USD

View

Price last confirmed 34 days ago

Retailer 11

$6,773 NZD

A$5,863 AUD

View

Price last confirmed 26 days ago

Retailer 12

$7,372 NZD

£3,266 GBP

View

Retailer 13

$12,209 NZD

$6,869 USD

View

Retailer 14

$15,907 NZD

$8,950 USD

View

Most Expensive

Brilliant Earth

21652225A · Nov 1

$18,982 NZD

$10,680 USD

View

Price under review

14 more retailers have this diamond

Prices start from $2,390 NZDSave up to $13,516 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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4.55ct Oval

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