Round|Lab Grown|IGI

4.28ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754563427

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754563427

Diamond specifications and retailer prices

From $3,335 SGD

$2,609 USD

As of October 29, 2026

Save $16,442 SGD (83%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $19,777 SGD at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 4.28ct lab-grown round diamond

This 4.28ct 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 LG754563427 or 754563427. Listed at 29 retailers as of October 29, 2026, with prices from $3,335 to $19,777, a $16,442 spread on the same certified stone. Do Amore Diamonds lists it at $19,777. 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

4.28

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754563427

Dimensions10.47 × 10.51 × 6.36 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 LG754563427

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 29

Current: $19,777 SGD|Low: $2,862 SGD|High: $30,707 SGD|Avg: $8,863 SGD

Do Amore Diamonds

Retailer 2

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Retailer 22

October 30, 2026

Retailer 22$2,862 SGD

Retailer 9$3,532 SGD

Retailer 19$3,548 SGD

Retailer 4$3,720 SGD

Retailer 10$4,582 SGD

Retailer 21$4,871 SGD

Retailer 13$4,950 SGD

Retailer 3$5,111 SGD

Retailer 8$5,535 SGD

Retailer 15$5,662 SGD

Retailer 18$5,874 SGD

Retailer 16$7,836 SGD

Retailer 20$7,899 SGD

Retailer 7$8,904 SGD

Retailer 5$9,310 SGD

Retailer 11$9,630 SGD

Retailer 17$9,909 SGD

Retailer 14$12,846 SGD

Retailer 12$13,242 SGD

Retailer 6$14,424 SGD

Retailer 2$17,194 SGD

Do Amore Diamonds$19,777 SGD

36 data points across 22 retailers

29 retailers$3,335 SGD to $19,777 SGD

Retailer 1

$2,862 SGD

£1,763 GBP

Price last confirmed 13 days ago

Retailer 2

$3,128 SGD

$2,447 USD

View

Price last confirmed 24 days ago

Retailer 3

$3,128 SGD

$2,447 USD

View

Price last confirmed 17 days ago

Retailer 4

$3,218 SGD

$2,517 USD

View

Price last confirmed 31 days ago

Retailer 5

$3,335 SGD

$2,609 USD

View

Retailer 6

$3,335 SGD

$2,609 USD

View

Price last confirmed 28 days ago

Retailer 7

$3,532 SGD

$2,763 USD

View

Retailer 8

$3,548 SGD

$2,775 USD

View

Retailer 9

$3,681 SGD

$2,879 USD

View

Price last confirmed 31 days ago

Retailer 10

$3,720 SGD

$2,910 USD

View

Final sale: no returns

Retailer 11

$3,883 SGD

$3,037 USD

View

Price last confirmed 37 days ago

Retailer 12

$4,582 SGD

HK$28,000 HKD

View

Retailer 13

$4,871 SGD

$3,810 USD

View

Retailer 14

$4,950 SGD

£3,049 GBP

View

Retailer 15

$5,111 SGD

$3,998 USD

View

Retailer 16

$5,535 SGD

$4,330 USD

View

Retailer 17

$5,662 SGD

$4,429 USD

View

Price last confirmed 30 days ago

Retailer 18

$5,874 SGD

€4,376 EUR

View

Retailer 19

$7,836 SGD

ZAR 99,021 ZAR

View

Retailer 20

$7,899 SGD

A$9,506 AUD

View

Price last confirmed 8 days ago

B+

Retailer 21

$8,904 SGD

$6,965 USD

View

B+

Retailer 22

$9,310 SGD

$7,282 USD

View

B+

Retailer 23

$9,630 SGD

$7,533 USD

View

B+

Retailer 24

$9,909 SGD

£6,103 GBP

View

B+

Retailer 25

$12,846 SGD

$10,048 USD

View

B+

Retailer 26

$13,242 SGD

View

Retailer 27

$14,424 SGD

A$17,358 AUD

View

Price last confirmed 21 days ago

B+

Retailer 28

$17,194 SGD

$13,450 USD

View

Most Expensive

Do Amore Diamonds

27-17C00EE80 · Oct 29

$19,777 SGD

$15,470 USD

View

28 more retailers have this diamond

Prices start from $3,335 SGDSave up to $16,442 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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4.28ct Round

$3,335 SGD