Oval|Lab Grown|IGI

3.37ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780663143

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663143

Diamond specifications and retailer prices

From $1,604 USD

As of October 29, 2026

Save $7,999 USD (83%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $17,300 USD at Brilliant Earth · As of October 29, 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 LG780663143 or 780663143. Listed at 14 retailers as of October 29, 2026, with a 499% 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

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780663143

Dimensions12.10 × 8.33 × 5.27 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 LG780663143

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $17,300 USD|Low: $1,604 USD|High: $17,830 USD|Avg: $6,164 USD|-3.0%

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

October 29, 2026

Retailer 8$1,604 USD

Retailer 14$1,869 USD

Retailer 2$2,076 USD

Retailer 13$2,232 USD

Retailer 3$2,375 USD

Retailer 9$2,711 USD

Retailer 7$3,432 USD

Retailer 12$3,840 USD

Retailer 10$3,877 USD

Retailer 11$5,245 USD

Retailer 4$5,700 USD

Retailer 6$6,692 USD

Retailer 5$9,603 USD

Brilliant Earth$17,300 USD

35 data points across 14 retailers

14 retailers$1,604 USD to $9,603 USD

Cheapest Retailer

$1,604 USD

Retailer 2

$1,869 USD

HK$14,600 HKD

View

Retailer 3

$2,076 USD

£1,635 GBP

View

Retailer 4

$2,232 USD

View

Retailer 5

$2,375 USD

€2,262 EUR

View

Retailer 6

$2,711 USD

View

B+

Retailer 7

$3,432 USD

ZAR 55,448 ZAR

View

B+

Retailer 8

$3,840 USD

View

B+

Retailer 9

$3,877 USD

View

B+

Retailer 10

$5,245 USD

View

Retailer 11

$5,700 USD

View

Price last confirmed 11 days ago

Retailer 12

$6,692 USD

£5,269 GBP

View

Price last confirmed 21 days ago

Retailer 13

$9,603 USD

View

Most Expensive

Brilliant Earth

19646792Y · Oct 29

$17,300 USD

View

Price under review

13 more retailers have this diamond

Prices start from $1,604 USDSave up to $7,999 USD

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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3.37ct Oval

$1,604 USD