Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG835639595

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835639595

Diamond specifications and retailer prices

From $2,890 AUD

$2,030 USD

As of October 27, 2026

17 retailers carry this diamond

Most expensive: $3,236 AUD at Queensmith · As of October 23, 2026

View at Queensmith

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835639595 or 835639595. Listed at 17 retailers as of October 27, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG835639595

Dimensions9.51 × 6.75 × 4.12 mm

L/W Ratio1.41

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 LG835639595

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 27

Current: $3,236 AUD|Low: $327 AUD|High: $3,236 AUD|Avg: $1,214 AUD

Queensmith

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

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Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 18

October 24, 2026

Retailer 3$327 AUD

Retailer 10$367 AUD

Retailer 4$380 AUD

Retailer 6$406 AUD

Retailer 12$475 AUD

Retailer 18$548 AUD

Retailer 14$703 AUD

Retailer 11$734 AUD

Retailer 8$856 AUD

Retailer 16$956 AUD

Retailer 17$1,311 AUD

Retailer 2$1,381 AUD

Retailer 5$1,537 AUD

Retailer 9$1,626 AUD

Retailer 15$1,638 AUD

Retailer 7$1,660 AUD

Retailer 13$2,890 AUD

Queensmith$3,236 AUD

32 data points across 18 retailers

17 retailers

Retailer 1

$327 AUD

$230 USD

Price last confirmed 9 days ago

Retailer 2

$380 AUD

$267 USD

View

Price last confirmed 12 days ago

Retailer 3

$406 AUD

$285 USD

View

Price last confirmed 11 days ago

Retailer 4

$406 AUD

$285 USD

View

Price last confirmed 16 days ago

Retailer 5

$475 AUD

£263 GBP

View

Price last confirmed 10 days ago

Retailer 6

$548 AUD

$385 USD

View

Price last confirmed 9 days ago

Retailer 7

$734 AUD

£406 GBP

View

Price last confirmed 9 days ago

Retailer 8

$856 AUD

$601 USD

View

Price last confirmed 8 days ago

Retailer 9

$956 AUD

View

Price last confirmed 14 days ago

Retailer 10

$1,307 AUD

$918 USD

View

Price last confirmed 11 days ago

Retailer 11

$1,311 AUD

$921 USD

View

Price last confirmed 9 days ago

Retailer 12

$1,381 AUD

$970 USD

View

Price last confirmed 8 days ago

Retailer 13

$1,537 AUD

View

Price last confirmed 24 days ago

Retailer 14

$1,638 AUD

£906 GBP

View

Price last confirmed 11 days ago

Retailer 15

$1,660 AUD

$1,166 USD

View

Price last confirmed 9 days ago

Retailer 16

$2,890 AUD

$2,030 USD

View

Most Expensive

Queensmith

LG835639595 · Oct 23

$3,236 AUD

£1,790 GBP

View

Price last confirmed 9 days ago

16 more retailers have this diamond

Prices start from $2,890 AUD

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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1.66ct Oval

$2,890 AUD