Oval|Lab Grown|IGI

3.37ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780666012

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780666012

Diamond specifications and retailer prices

From $1,694 SGD

$1,325 USD

As of October 29, 2026

Save $9,428 SGD (85%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $12,822 SGD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.37ct lab-grown oval diamond

This 3.37ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666012 or 780666012. Listed at 14 retailers as of October 29, 2026, with a 557% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.37

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle39.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780666012

Dimensions11.94 × 8.53 × 5.21 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG780666012

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: $12,822 SGD|Low: $1,694 SGD|High: $22,794 SGD|Avg: $6,591 SGD|-43.7%

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 30, 2026

Retailer 2$1,694 SGD

Retailer 6$1,695 SGD

Retailer 5$2,320 SGD

Retailer 9$2,701 SGD

Retailer 4$3,027 SGD

Retailer 8$3,130 SGD

Retailer 10$3,471 SGD

Retailer 11$4,148 SGD

Retailer 3$5,762 SGD

Retailer 12$7,287 SGD

Retailer 7$11,122 SGD

Brilliant Earth$12,822 SGD

34 data points across 12 retailers

14 retailers$1,694 SGD to $11,122 SGD

A+

Cheapest Retailer

$1,694 SGD

$1,325 USD

A+

Retailer 2

$1,695 SGD

$1,326 USD

View

Retailer 3

$2,180 SGD

$1,705 USD

View

Price last confirmed 28 days ago

Retailer 4

$2,320 SGD

$1,815 USD

View

Retailer 5

$2,471 SGD

$1,933 USD

View

Price last confirmed 34 days ago

Retailer 6

$2,701 SGD

€2,012 EUR

View

Retailer 7

$3,130 SGD

$2,448 USD

View

Retailer 8

$3,471 SGD

$2,715 USD

View

Retailer 9

$3,996 SGD

$3,126 USD

View

Price last confirmed 30 days ago

Retailer 10

$4,148 SGD

$3,245 USD

View

Retailer 11

$5,762 SGD

£3,549 GBP

View

Price last confirmed 9 days ago

Retailer 12

$7,287 SGD

$5,700 USD

View

Price last confirmed 11 days ago

Retailer 13

$11,122 SGD

$8,700 USD

View

Most Expensive

Brilliant Earth

18577639Y · Oct 30

$12,822 SGD

$10,030 USD

View

Price under review

13 more retailers have this diamond

Prices start from $1,694 SGDSave up to $9,428 SGD

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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A+

3.37ct Oval

$1,694 SGD