Oval|Lab Grown|IGI

1.70ct G IF Oval Lab Grown Diamond

EX • G/IF • IGI LG639467688

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG639467688

Diamond specifications and retailer prices

From $619 AUD

HK$3,400 HKD

As of October 23, 2026

Save $4,102 AUD (87%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $4,721 AUD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639467688 or 639467688. Listed at 25 retailers as of October 23, 2026, with prices from $619 to $4,721, a $4,102 spread on the same certified stone. Brilliant Earth lists it at $4,721. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG639467688

Dimensions9.85 × 6.89 × 4.16 mm

L/W Ratio1.43

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG639467688

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 23

Current: $4,721 AUD|Low: $454 AUD|High: $4,721 AUD|Avg: $1,497 AUD|+0.3%

Brilliant Earth

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October 25, 2026

Retailer 10$454 AUD

Retailer 8$508 AUD

Retailer 20$526 AUD

Retailer 5$562 AUD

Retailer 14$562 AUD

Retailer 2$594 AUD

Retailer 12$619 AUD

Retailer 18$813 AUD

Retailer 19$853 AUD

Retailer 4$940 AUD

Retailer 22$957 AUD

Retailer 13$986 AUD

Retailer 24$1,054 AUD

Retailer 21$1,322 AUD

Retailer 3$1,624 AUD

Retailer 7$1,649 AUD

Retailer 11$1,802 AUD

Retailer 9$1,807 AUD

Retailer 17$1,872 AUD

Retailer 16$2,161 AUD

Retailer 15$2,189 AUD

Retailer 6$2,237 AUD

Retailer 25$2,266 AUD

Retailer 23$3,299 AUD

Brilliant Earth$4,721 AUD

33 data points across 25 retailers

25 retailers$619 AUD to $4,721 AUD

Retailer 1

$454 AUD

$319 USD

Price last confirmed 8 days ago

Retailer 2

$526 AUD

$370 USD

View

Price last confirmed 8 days ago

Retailer 3

$562 AUD

$395 USD

View

Price last confirmed 13 days ago

Retailer 4

$562 AUD

$395 USD

View

Price last confirmed 7 days ago

Retailer 5

$594 AUD

£329 GBP

View

Price last confirmed 7 days ago

Retailer 6

$619 AUD

HK$3,400 HKD

View

Retailer 7

$813 AUD

$572 USD

View

Price last confirmed 11 days ago

Retailer 8

$853 AUD

$600 USD

View

Price last confirmed 6 days ago

Retailer 9

$940 AUD

$661 USD

View

Price last confirmed 7 days ago

Retailer 10

$957 AUD

ZAR 10,877 ZAR

View

Price last confirmed 10 days ago

Retailer 11

$986 AUD

£546 GBP

View

Price last confirmed 7 days ago

Retailer 12

$1,054 AUD

€706 EUR

View

Price last confirmed 10 days ago

Retailer 13

$1,322 AUD

View

Price last confirmed 10 days ago

B+

Retailer 14

$1,624 AUD

$1,142 USD

View

B+

Retailer 15

$1,649 AUD

$1,160 USD

View

B+

Retailer 16

$1,802 AUD

SGD 1,713 SGD

View

B+

Retailer 17

$1,807 AUD

$1,271 USD

View

Price last confirmed 7 days ago

B+

Retailer 18

$1,872 AUD

$1,317 USD

View

Price last confirmed 8 days ago

B+

Retailer 19

$1,885 AUD

$1,326 USD

View

Price last confirmed 7 days ago

B+

Retailer 20

$2,161 AUD

$1,520 USD

View

Price last confirmed 7 days ago

B+

Retailer 21

$2,189 AUD

£1,212 GBP

View

Price last confirmed 7 days ago

B+

Retailer 22

$2,237 AUD

$1,573 USD

View

B+

Retailer 23

$2,266 AUD

£1,255 GBP

View

Price last confirmed 10 days ago

Retailer 24

$3,299 AUD

$2,320 USD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

18716407A · Oct 26

$4,721 AUD

$3,320 USD

View

24 more retailers have this diamond

Prices start from $619 AUDSave up to $4,102 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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