Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG705509643

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG705509643

Diamond specifications and retailer prices

From $16,611 SGD

$12,960 USD

As of October 29, 2026

25 retailers carry this diamond

Most expensive: $16,611 SGD at Brilliant Earth

View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct 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 LG705509643 or 705509643. Listed at 25 retailers as of October 29, 2026. 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

4.00

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG705509643

Dimensions12.66 × 8.87 × 5.70 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG705509643

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

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

Price History

Last verified: Oct 29

Current: $16,611 SGD|Low: $2,995 SGD|High: $25,160 SGD|Avg: $7,274 SGD|-34.0%

Brilliant Earth

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October 21, 2026

Retailer 5$2,995 SGD

Retailer 19$3,212 SGD

Retailer 15$3,259 SGD

Retailer 11$3,354 SGD

Retailer 8$3,475 SGD

Retailer 10$3,646 SGD

Retailer 2$3,685 SGD

Retailer 18$3,866 SGD

Retailer 3$4,528 SGD

Retailer 25$4,951 SGD

Retailer 23$5,186 SGD

Retailer 4$5,272 SGD

Retailer 20$5,293 SGD

Retailer 24$5,325 SGD

Retailer 9$7,266 SGD

Retailer 21$7,857 SGD

Retailer 13$8,074 SGD

Retailer 17$9,152 SGD

Retailer 12$9,672 SGD

Retailer 7$9,968 SGD

Retailer 22$10,323 SGD

Retailer 14$13,112 SGD

Retailer 16$13,378 SGD

Brilliant Earth$16,611 SGD

Retailer 6$20,610 SGD

33 data points across 25 retailers

25 retailers

Retailer 1

$2,995 SGD

$2,337 USD

Price last confirmed 11 days ago

Retailer 2

$3,212 SGD

£1,973 GBP

View

Price last confirmed 10 days ago

Retailer 3

$3,259 SGD

$2,543 USD

View

Price last confirmed 16 days ago

Retailer 4

$3,475 SGD

$2,711 USD

View

Price last confirmed 10 days ago

Retailer 5

$3,646 SGD

$2,845 USD

View

Price last confirmed 10 days ago

Retailer 6

$3,685 SGD

$2,875 USD

View

Price last confirmed 9 days ago

Retailer 7

$3,866 SGD

$3,016 USD

View

Price last confirmed 17 days ago

Retailer 8

$4,528 SGD

HK$27,600 HKD

View

Price last confirmed 8 days ago

Retailer 9

$4,951 SGD

$3,863 USD

View

Price last confirmed 10 days ago

Retailer 10

$5,186 SGD

$4,046 USD

View

Price last confirmed 11 days ago

Retailer 11

$5,272 SGD

$4,113 USD

View

Price last confirmed 11 days ago

Retailer 12

$5,293 SGD

£3,251 GBP

View

Price last confirmed 10 days ago

Retailer 13

$5,325 SGD

$4,155 USD

View

Price last confirmed 10 days ago

Retailer 14

$7,266 SGD

£4,464 GBP

View

Price last confirmed 10 days ago

Retailer 15

$7,857 SGD

$6,130 USD

View

Price last confirmed 11 days ago

Retailer 16

$8,074 SGD

ZAR 101,770 ZAR

View

Price last confirmed 10 days ago

Retailer 17

$9,152 SGD

A$10,985 AUD

View

Price last confirmed 31 days ago

Retailer 18

$9,277 SGD

$7,238 USD

View

Price last confirmed 9 days ago

Retailer 19

$9,672 SGD

$7,546 USD

View

Price last confirmed 11 days ago

Retailer 20

$9,968 SGD

$7,777 USD

View

Price last confirmed 11 days ago

Retailer 21

$10,323 SGD

£6,342 GBP

View

Price last confirmed 10 days ago

Retailer 22

$11,427 SGD

£7,020 GBP

View

Price last confirmed 20 days ago

Retailer 23

$13,112 SGD

View

Price last confirmed 11 days ago

Retailer 24

$13,378 SGD

$10,437 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

20152789Y · Oct 29

$16,611 SGD

$12,960 USD

View

24 more retailers have this diamond

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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4.00ct Oval

$16,611 SGD