Oval|Lab Grown|IGI

1.66ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG801609388

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG801609388

Diamond specifications and retailer prices

From $5,625 SGD

$4,400 USD

As of October 31, 2026

14 retailers carry this diamond

Most expensive: $5,625 SGD at Brilliant Earth

View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801609388 or 801609388. Listed at 14 retailers as of October 31, 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

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.1°

Pavilion angle36.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG801609388

Dimensions9.36 × 6.44 × 4.15 mm

L/W Ratio1.45

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG801609388

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

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Price History

Last verified: Oct 31

Current: $5,625 SGD|Low: $321 SGD|High: $5,625 SGD|Avg: $1,580 SGD

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 24, 2026

Retailer 4$321 SGD

Retailer 10$566 SGD

Retailer 9$754 SGD

Retailer 7$864 SGD

Retailer 3$899 SGD

Retailer 5$957 SGD

Retailer 2$997 SGD

Retailer 12$2,137 SGD

Retailer 8$2,223 SGD

Retailer 11$2,294 SGD

Retailer 6$3,337 SGD

Brilliant Earth$5,625 SGD

33 data points across 12 retailers

14 retailers

Retailer 1

$754 SGD

$590 USD

Price last confirmed 14 days ago

Retailer 2

$864 SGD

€644 EUR

View

Price last confirmed 9 days ago

Retailer 3

$899 SGD

$703 USD

View

Price last confirmed 7 days ago

Retailer 4

$957 SGD

ZAR 12,097 ZAR

View

Price last confirmed 9 days ago

Retailer 5

$997 SGD

£614 GBP

View

Price last confirmed 8 days ago

Retailer 6

$1,199 SGD

$938 USD

View

Price last confirmed 18 days ago

Retailer 7

$1,563 SGD

$1,223 USD

View

Price last confirmed 8 days ago

Retailer 8

$1,872 SGD

$1,464 USD

View

Price last confirmed 9 days ago

Retailer 9

$2,137 SGD

$1,672 USD

View

Price last confirmed 9 days ago

Retailer 10

$2,223 SGD

£1,369 GBP

View

Price last confirmed 11 days ago

Retailer 11

$2,294 SGD

A$2,761 AUD

View

Price last confirmed 30 days ago

Retailer 12

$2,391 SGD

$1,870 USD

View

Price last confirmed 9 days ago

Retailer 13

$3,337 SGD

$2,610 USD

View

Price last confirmed 14 days ago

Most Expensive

Brilliant Earth

19652006A · Oct 31

$5,625 SGD

$4,400 USD

View

13 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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