Oval|Lab Grown|IGI

3.38ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG683588774

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683588774

Diamond specifications and retailer prices

From $2,177 AUD

$1,529 USD

As of October 29, 2026

Save $16,956 AUD (89%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $19,133 AUD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.38ct lab-grown oval diamond

This 3.38ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683588774 or 683588774. Listed at 24 retailers as of October 29, 2026, with prices from $2,177 to $19,133, a $16,956 spread on the same certified stone. Brilliant Earth lists it at $19,133. 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

3.38

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG683588774

Dimensions11.96 × 8.52 × 5.32 mm

L/W Ratio1.40

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 LG683588774

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 29

Current: $19,133 AUD|Low: $2,177 AUD|High: $22,450 AUD|Avg: $6,062 AUD|-14.8%

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

October 30, 2026

Retailer 5$2,177 AUD

Retailer 6$2,255 AUD

Retailer 13$2,498 AUD

Retailer 4$2,699 AUD

Retailer 2$3,508 AUD

Retailer 15$3,562 AUD

Retailer 11$5,631 AUD

Retailer 9$5,780 AUD

Retailer 7$6,010 AUD

Retailer 14$6,077 AUD

Retailer 8$7,025 AUD

Retailer 10$7,147 AUD

Retailer 12$7,759 AUD

Retailer 16$8,536 AUD

Retailer 3$11,517 AUD

Brilliant Earth$19,133 AUD

41 data points across 16 retailers

24 retailers$2,177 AUD to $19,133 AUD

Retailer 1

$1,866 AUD

$1,311 USD

Price last confirmed 29 days ago

Retailer 2

$2,115 AUD

$1,486 USD

View

Price last confirmed 34 days ago

Retailer 3

$2,177 AUD

$1,529 USD

View

Final sale: no returns

Retailer 4

$2,255 AUD

$1,584 USD

View

Price last confirmed 28 days ago

Retailer 5

$2,498 AUD

$1,755 USD

View

Retailer 6

$2,699 AUD

$1,896 USD

View

Retailer 7

$3,508 AUD

£1,940 GBP

View

Retailer 8

$3,562 AUD

$2,502 USD

View

Retailer 9

$3,941 AUD

$2,768 USD

View

Retailer 10

$4,204 AUD

$2,953 USD

View

Retailer 11

$4,667 AUD

$3,278 USD

View

Price last confirmed 23 days ago

Retailer 12

$5,631 AUD

View

Price last confirmed 8 days ago

B+

Retailer 13

$5,780 AUD

ZAR 65,595 ZAR

View

B+

Retailer 14

$6,010 AUD

£3,324 GBP

View

B+

Retailer 15

$6,077 AUD

$4,269 USD

View

B+

Retailer 16

$6,918 AUD

$4,860 USD

View

B+

Retailer 17

$7,025 AUD

$4,935 USD

View

B+

Retailer 18

$7,147 AUD

£3,953 GBP

View

Retailer 19

$7,759 AUD

$5,450 USD

View

Price last confirmed 12 days ago

Retailer 20

$8,536 AUD

$5,996 USD

View

Retailer 21

$8,799 AUD

$6,181 USD

View

Retailer 22

$11,517 AUD

$8,090 USD

View

Retailer 23

$13,382 AUD

$9,400 USD

View

Most Expensive

Brilliant Earth

18396216Y · Oct 30

$19,133 AUD

$13,440 USD

View

23 more retailers have this diamond

Prices start from $2,177 AUDSave up to $16,956 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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