Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG791655393

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791655393

Diamond specifications and retailer prices

From $8,783 NZD

$4,950 USD

As of October 26, 2026

9 retailers carry this diamond

Most expensive: $8,783 NZD at Brilliant Earth

View at Brilliant Earth

About this 3.91ct lab-grown oval diamond

This 3.91ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791655393 or 791655393. Listed at 9 retailers as of October 26, 2026. 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

3.91

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG791655393

Dimensions12.47 × 9.00 × 5.48 mm

L/W Ratio1.39

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG791655393

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26

Current: $8,783 NZD|Low: $678 NZD|High: $16,519 NZD|Avg: $3,271 NZD|-46.8%

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

Retailer 16

Retailer 17

Retailer 18

October 23, 2026

Retailer 6$678 NZD

Retailer 8$749 NZD

Retailer 11$1,437 NZD

Retailer 16$1,554 NZD

Retailer 17$1,583 NZD

Retailer 3$1,659 NZD

Retailer 18$1,865 NZD

Retailer 12$1,913 NZD

Retailer 15$2,660 NZD

Retailer 4$2,782 NZD

Retailer 14$2,961 NZD

Retailer 5$3,783 NZD

Retailer 7$3,981 NZD

Retailer 10$4,147 NZD

Retailer 9$6,658 NZD

Retailer 13$8,098 NZD

Retailer 2$8,570 NZD

Brilliant Earth$8,783 NZD

12 data points across 18 retailers

9 retailers

Retailer 1

$1,437 NZD

$810 USD

Price last confirmed 7 days ago

Retailer 2

$1,554 NZD

$876 USD

View

Price last confirmed 8 days ago

Retailer 3

$1,583 NZD

$892 USD

View

Price last confirmed 10 days ago

Retailer 4

$2,660 NZD

$1,499 USD

View

Price last confirmed 7 days ago

Retailer 5

$2,961 NZD

$1,669 USD

View

Price last confirmed 9 days ago

Retailer 6

$6,658 NZD

$3,752 USD

View

Price last confirmed 52 days ago

Retailer 7

$8,098 NZD

$4,564 USD

View

Price last confirmed 10 days ago

Retailer 8

$8,570 NZD

$4,830 USD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

21657321A · Oct 26

$8,783 NZD

$4,950 USD

View

8 more retailers have this diamond

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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3.91ct Oval

$8,783 NZD