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 HK$34,521 HKD

$4,400 USD

As of October 31, 2026

14 retailers carry this diamond

Most expensive: HK$34,521 HKD 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: HK$34,521 HKD|Low: HK$1,971 HKD|High: HK$34,521 HKD|Avg: HK$9,697 HKD

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 4HK$1,971 HKD

Retailer 10HK$3,476 HKD

Retailer 9HK$4,629 HKD

Retailer 7HK$5,305 HKD

Retailer 3HK$5,516 HKD

Retailer 5HK$5,875 HKD

Retailer 2HK$6,120 HKD

Retailer 12HK$13,118 HKD

Retailer 8HK$13,641 HKD

Retailer 11HK$14,080 HKD

Retailer 6HK$20,477 HKD

Brilliant EarthHK$34,521 HKD

33 data points across 12 retailers

14 retailers

Retailer 1

HK$4,629 HKD

$590 USD

Price last confirmed 14 days ago

Retailer 2

HK$5,305 HKD

€644 EUR

View

Price last confirmed 9 days ago

Retailer 3

HK$5,516 HKD

$703 USD

View

Price last confirmed 8 days ago

Retailer 4

HK$5,875 HKD

ZAR 12,097 ZAR

View

Price last confirmed 9 days ago

Retailer 5

HK$6,120 HKD

£614 GBP

View

Price last confirmed 8 days ago

Retailer 6

HK$7,359 HKD

$938 USD

View

Price last confirmed 18 days ago

Retailer 7

HK$9,595 HKD

$1,223 USD

View

Price last confirmed 8 days ago

Retailer 8

HK$11,487 HKD

$1,464 USD

View

Price last confirmed 9 days ago

Retailer 9

HK$13,118 HKD

$1,672 USD

View

Price last confirmed 9 days ago

Retailer 10

HK$13,641 HKD

£1,369 GBP

View

Price last confirmed 11 days ago

Retailer 11

HK$14,080 HKD

A$2,761 AUD

View

Price last confirmed 30 days ago

Retailer 12

HK$14,671 HKD

$1,870 USD

View

Price last confirmed 9 days ago

Retailer 13

HK$20,477 HKD

$2,610 USD

View

Price last confirmed 14 days ago

Most Expensive

Brilliant Earth

19652006A · Oct 31

HK$34,521 HKD

$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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1.66ct Oval

HK$34,521 HKD