Oval|Lab Grown|IGI

4.11ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG571378778

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG571378778

Diamond specifications and retailer prices

From $992 NZD

$559 USD

As of November 1, 2026

Save $5,502 NZD (85%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $6,494 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 4.11ct lab-grown oval diamond

This 4.11ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571378778 or 571378778. Listed at 16 retailers as of October 31, 2026, with prices from $992 to $6,494, a $5,502 spread on the same certified stone. Brilliant Earth lists it at $6,494. 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

4.11

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG571378778

Dimensions12.95 × 9.22 × 5.63 mm

L/W Ratio1.40

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG571378778

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: $6,494 NZD|Low: $665 NZD|High: $7,541 NZD|Avg: $2,452 NZD|-13.3%

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 4$992 NZD

Retailer 5$1,017 NZD

Retailer 7$1,296 NZD

Retailer 9$1,348 NZD

Retailer 15$1,710 NZD

Retailer 8$1,718 NZD

Retailer 14$1,828 NZD

Retailer 11$2,187 NZD

Retailer 10$2,202 NZD

Retailer 13$2,262 NZD

Retailer 6$2,758 NZD

Retailer 12$2,835 NZD

Retailer 3$3,579 NZD

Retailer 2$4,588 NZD

Brilliant Earth$6,494 NZD

33 data points across 15 retailers

16 retailers$992 NZD to $6,494 NZD

Retailer 1

$820 NZD

$462 USD

Price last confirmed 39 days ago

Retailer 2

$919 NZD

$518 USD

View

Price last confirmed 37 days ago

Retailer 3

$992 NZD

$559 USD

View

Final sale: no returns

Retailer 4

$1,004 NZD

$566 USD

View

Price last confirmed 35 days ago

Retailer 5

$1,348 NZD

$760 USD

View

B+

Retailer 6

$1,710 NZD

$964 USD

View

Retailer 7

$1,718 NZD

€922 EUR

View

Retailer 8

$1,828 NZD

$1,030 USD

View

Retailer 9

$2,187 NZD

ZAR 19,911 ZAR

View

Retailer 10

$2,202 NZD

A$1,909 AUD

View

B+

Retailer 11

$2,262 NZD

$1,275 USD

View

B+

Retailer 12

$2,835 NZD

$1,598 USD

View

Retailer 13

$3,270 NZD

$1,843 USD

View

Price last confirmed 35 days ago

B+

Retailer 14

$3,579 NZD

$2,017 USD

View

Retailer 15

$4,588 NZD

£2,036 GBP

View

Most Expensive

Brilliant Earth

7622470A · Oct 31

$6,494 NZD

$3,660 USD

View

15 more retailers have this diamond

Prices start from $992 NZDSave up to $5,502 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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4.11ct Oval

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