Marquise|Lab Grown|IGI

4.31ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG793603302

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793603302

Diamond specifications and retailer prices

From $11,286 SGD

$8,828 USD

As of October 27, 2026

Save $30,097 SGD (73%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $41,383 SGD at Taylor and Hart · As of October 26, 2026

View at Taylor and Hart

About this 4.31ct lab-grown marquise diamond

This 4.31ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG793603302 or 793603302. Listed at 24 retailers as of October 26, 2026, with prices from $11,286 to $41,383, a $30,097 spread on the same certified stone. Taylor and Hart lists it at $41,383. 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

4.31

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG793603302

Dimensions16.79 × 8.65 × 5.23 mm

L/W Ratio1.94

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG793603302

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 27

Current: $20,768 SGD|Low: $9,946 SGD|High: $65,964 SGD|Avg: $22,473 SGD|-3.5%

Retailer 1

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Taylor and Hart

October 27, 2026

Retailer 22$11,286 SGD

Retailer 4$11,737 SGD

Retailer 20$11,772 SGD

Retailer 14$11,982 SGD

Retailer 9$12,080 SGD

Retailer 11$12,963 SGD

Retailer 6$12,986 SGD

Retailer 2$13,091 SGD

Retailer 3$14,722 SGD

Retailer 23$14,960 SGD

Retailer 5$15,193 SGD

Retailer 12$15,714 SGD

Retailer 7$18,762 SGD

Retailer 10$20,739 SGD

Retailer 1$20,768 SGD

Retailer 19$21,081 SGD

Retailer 17$23,866 SGD

Retailer 18$27,755 SGD

Retailer 21$29,638 SGD

Retailer 15$29,760 SGD

Retailer 8$34,183 SGD

Retailer 16$36,461 SGD

Taylor and Hart$41,383 SGD

Retailer 13$65,964 SGD

34 data points across 24 retailers

24 retailers$11,286 SGD to $41,383 SGD

Cheapest Retailer

$11,286 SGD

$8,828 USD

Retailer 2

$11,737 SGD

$9,181 USD

View

Price last confirmed 7 days ago

Retailer 3

$11,772 SGD

$9,208 USD

View

Retailer 4

$11,982 SGD

CA$13,017 CAD

View

Retailer 5

$12,080 SGD

$9,449 USD

View

Retailer 6

$12,963 SGD

$10,140 USD

View

Retailer 7

$12,986 SGD

$10,158 USD

View

Retailer 8

$13,091 SGD

$10,240 USD

View

Price last confirmed 7 days ago

Retailer 9

$13,091 SGD

$10,240 USD

View

Price last confirmed 16 days ago

Retailer 10

$14,722 SGD

$11,516 USD

View

Price last confirmed 7 days ago

Retailer 11

$14,960 SGD

$11,702 USD

View

Retailer 12

$15,714 SGD

£9,679 GBP

View

B+

Retailer 13

$18,762 SGD

£11,556 GBP

View

Retailer 14

$20,607 SGD

$16,119 USD

View

Price last confirmed 11 days ago

B+

Retailer 15

$20,768 SGD

€15,472 EUR

View

B+

Retailer 16

$21,081 SGD

$16,490 USD

View

B+

Retailer 17

$23,866 SGD

£14,700 GBP

View

Retailer 18

$27,755 SGD

ZAR 350,735 ZAR

View

Price last confirmed 7 days ago

Retailer 19

$29,638 SGD

$23,184 USD

View

Retailer 20

$29,760 SGD

$23,279 USD

View

Retailer 21

$34,183 SGD

$26,739 USD

View

Price last confirmed 8 days ago

Retailer 22

$36,461 SGD

$28,521 USD

View

Most Expensive

Taylor and Hart

8PB1PC0 · Oct 26

$41,383 SGD

$32,371 USD

View

22 more retailers have this diamond

Prices start from $11,286 SGDSave up to $30,097 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.

Similar diamonds

4.31ct Marquise

$11,286 SGD