Oval|Lab Grown|IGI

3.87ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG780663598

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663598

Diamond specifications and retailer prices

From $3,551 SGD

HK$21,700 HKD

As of October 30, 2026

Save $16,073 SGD (82%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $19,623 SGD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.87ct lab-grown oval diamond

This 3.87ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663598 or 780663598. Listed at 12 retailers as of October 29, 2026, with prices from $3,551 to $19,623, a $16,073 spread on the same certified stone. Brilliant Earth lists it at $19,623. 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

3.87

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780663598

Dimensions12.65 × 8.69 × 5.50 mm

L/W Ratio1.46

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 LG780663598

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 30

Current: $19,623 SGD|Low: $3,245 SGD|High: $19,623 SGD|Avg: $9,118 SGD|+0.8%

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

October 25, 2026

Retailer 7$3,245 SGD

Retailer 12$3,551 SGD

Retailer 4$4,194 SGD

Retailer 11$4,391 SGD

Retailer 2$4,634 SGD

Retailer 15$5,727 SGD

Retailer 10$6,769 SGD

Retailer 9$7,619 SGD

Retailer 8$8,412 SGD

Retailer 3$9,639 SGD

Retailer 5$10,428 SGD

Retailer 14$10,664 SGD

Retailer 13$11,251 SGD

Retailer 6$14,468 SGD

Brilliant Earth$19,623 SGD

26 data points across 15 retailers

12 retailers$3,551 SGD to $19,623 SGD

Cheapest Retailer

$3,551 SGD

HK$21,700 HKD

Retailer 2

$4,391 SGD

$3,435 USD

View

Retailer 3

$4,634 SGD

€3,452 EUR

View

B+

Retailer 4

$6,769 SGD

$5,295 USD

View

B+

Retailer 5

$7,619 SGD

$5,960 USD

View

B+

Retailer 6

$8,412 SGD

$6,580 USD

View

Retailer 7

$9,639 SGD

ZAR 121,811 ZAR

View

Price last confirmed 23 days ago

Retailer 8

$10,428 SGD

$8,157 USD

View

Price last confirmed 25 days ago

Retailer 9

$10,664 SGD

£6,568 GBP

View

Price last confirmed 22 days ago

Retailer 10

$11,251 SGD

$8,801 USD

View

Retailer 11

$14,468 SGD

$11,317 USD

View

Price last confirmed 25 days ago

Most Expensive

Brilliant Earth

19088516A · Oct 29

$19,623 SGD

$15,350 USD

View

11 more retailers have this diamond

Prices start from $3,551 SGDSave up to $16,073 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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3.87ct Oval

$3,551 SGD