Round|Lab Grown|IGI

4.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737578586

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737578586

Diamond specifications and retailer prices

From $17,808 SGD

$13,930 USD

As of October 29, 2026

11 retailers carry this diamond

Most expensive: $17,808 SGD at Brilliant Earth

View at Brilliant Earth

About this 4.3ct lab-grown round diamond

This 4.3ct lab-grown round 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 LG737578586 or 737578586. Listed at 11 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

4.30

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG737578586

Dimensions10.38 × 10.43 × 6.42 mm

L/W Ratio1.00

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 LG737578586

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

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Price History

Last verified: Oct 29

Current: $17,808 SGD|Low: $2,428 SGD|High: $19,649 SGD|Avg: $7,865 SGD

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

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Retailer 11

Retailer 12

Retailer 13

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Retailer 21

September 29, 2026

Retailer 11$3,266 SGD

Retailer 4$3,312 SGD

Retailer 19$3,439 SGD

Retailer 6$4,109 SGD

Retailer 14$4,565 SGD

Retailer 17$4,664 SGD

Retailer 3$4,909 SGD

Retailer 13$5,075 SGD

Retailer 16$5,325 SGD

Retailer 2$6,099 SGD

Retailer 12$6,405 SGD

Retailer 10$7,599 SGD

Retailer 7$8,678 SGD

Retailer 21$8,901 SGD

Retailer 9$8,917 SGD

Retailer 18$9,355 SGD

Retailer 5$11,916 SGD

Retailer 8$12,261 SGD

Retailer 15$15,676 SGD

Brilliant Earth$17,808 SGD

Retailer 20$18,332 SGD

14 data points across 21 retailers

11 retailers

Retailer 1

$2,664 SGD

$2,084 USD

Price last confirmed 35 days ago

Retailer 2

$3,048 SGD

$2,384 USD

View

Price last confirmed 33 days ago

Retailer 3

$3,107 SGD

$2,430 USD

View

Price last confirmed 37 days ago

Retailer 4

$3,266 SGD

$2,555 USD

View

Price last confirmed 44 days ago

Retailer 5

$4,565 SGD

HK$27,900 HKD

View

Price last confirmed 56 days ago

Retailer 6

$4,689 SGD

$3,668 USD

View

Price last confirmed 32 days ago

Retailer 7

$5,075 SGD

$3,970 USD

View

Price last confirmed 31 days ago

Retailer 8

$7,599 SGD

ZAR 96,031 ZAR

View

Price last confirmed 38 days ago

Retailer 9

$8,901 SGD

$6,963 USD

View

Price last confirmed 31 days ago

Retailer 10

$15,676 SGD

A$18,865 AUD

View

Price last confirmed 31 days ago

Most Expensive

Brilliant Earth

18669242Y · Oct 29

$17,808 SGD

$13,930 USD

View

10 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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4.30ct Round

$17,808 SGD