Oval|Lab Grown|IGI

3.54ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG591346830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG591346830

Diamond specifications and retailer prices

From $894 NZD

$504 USD

As of October 31, 2026

Save $5,458 NZD (86%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $6,352 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.54ct lab-grown oval diamond

This 3.54ct 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 LG591346830 or 591346830. Listed at 17 retailers as of October 31, 2026, with prices from $894 to $6,352, a $5,458 spread on the same certified stone. Brilliant Earth lists it at $6,352. 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

3.54

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG591346830

Dimensions12.20 × 8.70 × 5.43 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 LG591346830

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: $6,352 NZD|Low: $616 NZD|High: $9,173 NZD|Avg: $2,497 NZD|-30.8%

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

October 31, 2026

Retailer 4$894 NZD

Retailer 6$955 NZD

Retailer 8$1,242 NZD

Retailer 14$1,553 NZD

Retailer 2$1,565 NZD

Retailer 13$1,689 NZD

Retailer 9$2,092 NZD

Retailer 11$2,150 NZD

Retailer 15$2,227 NZD

Retailer 7$2,596 NZD

Retailer 12$2,663 NZD

Retailer 3$3,241 NZD

Retailer 5$3,534 NZD

Retailer 10$3,657 NZD

Brilliant Earth$6,352 NZD

31 data points across 15 retailers

17 retailers$894 NZD to $6,352 NZD

Retailer 1

$770 NZD

$434 USD

Price last confirmed 38 days ago

Retailer 2

$862 NZD

$486 USD

View

Price last confirmed 36 days ago

Retailer 3

$894 NZD

$504 USD

View

Final sale: no returns

Retailer 4

$942 NZD

$531 USD

View

Price last confirmed 34 days ago

Retailer 5

$1,242 NZD

$700 USD

View

B+

Retailer 6

$1,553 NZD

$875 USD

View

Retailer 7

$1,565 NZD

€840 EUR

View

Retailer 8

$1,689 NZD

$952 USD

View

Retailer 9

$2,092 NZD

A$1,814 AUD

View

Retailer 10

$2,150 NZD

ZAR 19,575 ZAR

View

B+

Retailer 11

$2,227 NZD

$1,255 USD

View

B+

Retailer 12

$2,663 NZD

$1,501 USD

View

Retailer 13

$3,070 NZD

$1,730 USD

View

Price last confirmed 34 days ago

Retailer 14

$3,241 NZD

$1,826 USD

View

Retailer 15

$3,534 NZD

$1,992 USD

View

Price last confirmed 21 days ago

Retailer 16

$3,657 NZD

£1,623 GBP

View

Most Expensive

Brilliant Earth

7737037A · Oct 31

$6,352 NZD

$3,580 USD

View

16 more retailers have this diamond

Prices start from $894 NZDSave up to $5,458 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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3.54ct Oval

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