Oval|Lab Grown|IGI

4.09ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG492112263

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG492112263

Diamond specifications and retailer prices

From $1,620 SGD

HK$9,900 HKD

As of October 24, 2026

15 retailers carry this diamond

Most expensive: $5,817 SGD at Brilliant Earth · As of October 21, 2026

View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492112263 or 492112263. Listed at 15 retailers as of October 24, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.09

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG492112263

Dimensions12.59 × 9.01 × 5.70 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 LG492112263

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Oct 24

Current: $5,817 SGD|Low: $965 SGD|High: $5,996 SGD|Avg: $2,648 SGD|+0.9%

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 22, 2026

Retailer 11$1,207 SGD

Retailer 3$1,313 SGD

Retailer 4$1,351 SGD

Retailer 12$1,400 SGD

Retailer 10$1,687 SGD

Retailer 6$1,799 SGD

Retailer 2$2,178 SGD

Retailer 7$2,222 SGD

Retailer 13$2,241 SGD

Retailer 9$3,017 SGD

Retailer 14$3,936 SGD

Retailer 5$4,699 SGD

Retailer 8$4,773 SGD

Brilliant Earth$5,817 SGD

33 data points across 14 retailers

15 retailers

Retailer 1

$1,207 SGD

$944 USD

Price last confirmed 10 days ago

Retailer 2

$1,313 SGD

$1,027 USD

View

Price last confirmed 11 days ago

Retailer 3

$1,400 SGD

$1,095 USD

View

Price last confirmed 19 days ago

Retailer 4

$1,400 SGD

$1,095 USD

View

Price last confirmed 10 days ago

B+

Retailer 5

$1,620 SGD

HK$9,900 HKD

View

Retailer 6

$1,687 SGD

$1,320 USD

View

Price last confirmed 10 days ago

Retailer 7

$1,799 SGD

$1,407 USD

View

Price last confirmed 10 days ago

Retailer 8

$2,178 SGD

£1,342 GBP

View

Price last confirmed 10 days ago

Retailer 9

$2,241 SGD

$1,753 USD

View

Price last confirmed 10 days ago

Retailer 10

$2,894 SGD

$2,264 USD

View

Price last confirmed 8 days ago

Retailer 11

$3,017 SGD

$2,360 USD

View

Price last confirmed 9 days ago

Retailer 12

$3,936 SGD

$3,079 USD

View

Price last confirmed 10 days ago

Retailer 13

$4,699 SGD

View

Price last confirmed 11 days ago

Retailer 14

$4,773 SGD

£2,940 GBP

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

19055600A · Oct 21

$5,817 SGD

$4,550 USD

View

Price last confirmed 10 days ago

14 more retailers have this diamond

Prices start from $1,620 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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