Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG726521180

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG726521180

Diamond specifications and retailer prices

From $1,598 SGD

$1,250 USD

As of October 30, 2026

Save $8,808 SGD (85%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $10,406 SGD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant 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 LG726521180 or 726521180. Listed at 31 retailers as of October 30, 2026, with prices from $1,598 to $10,406, a $8,808 spread on the same certified stone. Brilliant Earth lists it at $10,406. 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

3.11

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.5°

Pavilion angle33.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG726521180

Dimensions10.41 × 7.38 × 4.80 mm

L/W Ratio1.41

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 LG726521180

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: $10,406 SGD|Low: $1,598 SGD|High: $15,315 SGD|Avg: $5,149 SGD|-32.1%

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 21$1,598 SGD

Retailer 20$2,036 SGD

Retailer 2$2,077 SGD

Retailer 18$2,157 SGD

Retailer 23$2,258 SGD

Retailer 5$2,606 SGD

Retailer 12$3,045 SGD

Retailer 10$3,234 SGD

Retailer 17$3,456 SGD

Retailer 13$3,911 SGD

Retailer 8$4,305 SGD

Retailer 7$4,481 SGD

Retailer 11$4,591 SGD

Retailer 16$5,248 SGD

Retailer 19$5,321 SGD

Retailer 22$5,811 SGD

Retailer 6$6,504 SGD

Retailer 4$6,521 SGD

Retailer 9$6,556 SGD

Retailer 3$7,079 SGD

Retailer 15$7,376 SGD

Retailer 14$8,885 SGD

Brilliant Earth$10,406 SGD

31 data points across 23 retailers

31 retailers$1,598 SGD to $10,406 SGD

Cheapest Retailer

$1,598 SGD

$1,250 USD

Retailer 2

$1,750 SGD

$1,369 USD

View

Price last confirmed 22 days ago

Retailer 3

$1,881 SGD

$1,471 USD

View

Price last confirmed 31 days ago

Retailer 4

$2,030 SGD

$1,588 USD

View

Price last confirmed 27 days ago

Retailer 5

$2,036 SGD

$1,593 USD

View

Final sale: no returns

Retailer 6

$2,047 SGD

$1,601 USD

View

Price last confirmed 33 days ago

Retailer 7

$2,077 SGD

$1,625 USD

View

Retailer 8

$2,152 SGD

$1,683 USD

View

Price last confirmed 33 days ago

Retailer 9

$2,157 SGD

$1,687 USD

View

Retailer 10

$2,258 SGD

HK$13,800 HKD

View

Retailer 11

$2,606 SGD

£1,605 GBP

View

Retailer 12

$3,045 SGD

$2,382 USD

View

Retailer 13

$3,234 SGD

€2,409 EUR

View

Price last confirmed 7 days ago

Retailer 14

$3,456 SGD

$2,703 USD

View

Retailer 15

$3,805 SGD

$2,976 USD

View

Retailer 16

$3,805 SGD

$2,976 USD

View

Price last confirmed 20 days ago

Retailer 17

$3,911 SGD

$3,059 USD

View

Retailer 18

$4,090 SGD

$3,199 USD

View

Price last confirmed 30 days ago

Retailer 19

$4,305 SGD

ZAR 54,407 ZAR

View

B+

Retailer 20

$4,481 SGD

£2,760 GBP

View

Retailer 21

$4,591 SGD

A$5,525 AUD

View

Price last confirmed 8 days ago

B+

Retailer 22

$5,248 SGD

$4,105 USD

View

B+

Retailer 23

$5,321 SGD

$4,162 USD

View

B+

Retailer 24

$5,811 SGD

$4,545 USD

View

B+

Retailer 25

$6,504 SGD

$5,088 USD

View

B+

Retailer 26

$6,521 SGD

View

B+

Retailer 27

$6,556 SGD

£4,038 GBP

View

B+

Retailer 28

$7,079 SGD

$5,537 USD

View

Retailer 29

$7,376 SGD

$5,770 USD

View

Price last confirmed 26 days ago

Retailer 30

$8,885 SGD

A$10,692 AUD

View

Price last confirmed 26 days ago

Most Expensive

Brilliant Earth

15599229A · Oct 30

$10,406 SGD

$8,140 USD

View

30 more retailers have this diamond

Prices start from $1,598 SGDSave up to $8,808 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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