Marquise|Lab Grown|IGI

4.27ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG826611285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826611285

Diamond specifications and retailer prices

From $11,183 SGD

$8,748 USD

As of October 30, 2026

Save $29,883 SGD (73%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $41,067 SGD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 4.27ct lab-grown marquise diamond

This 4.27ct 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 LG826611285 or 826611285. Listed at 24 retailers as of October 30, 2026, with prices from $11,183 to $41,067, a $29,883 spread on the same certified stone. Taylor and Hart lists it at $41,067. 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

4.27

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG826611285

Dimensions16.17 × 8.59 × 5.26 mm

L/W Ratio1.88

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 LG826611285

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 30

Current: $23,618 SGD|Low: $9,854 SGD|High: $65,352 SGD|Avg: $22,318 SGD

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

Taylor and Hart

November 1, 2026

Retailer 20$11,183 SGD

Retailer 18$11,662 SGD

Retailer 14$11,871 SGD

Retailer 8$11,967 SGD

Retailer 11$12,848 SGD

Retailer 5$12,867 SGD

Retailer 4$12,972 SGD

Retailer 22$12,972 SGD

Retailer 2$14,589 SGD

Retailer 21$14,820 SGD

Retailer 6$15,052 SGD

Retailer 16$15,616 SGD

Retailer 7$18,587 SGD

Retailer 3$20,415 SGD

Retailer 17$20,578 SGD

Retailer 1$23,618 SGD

Retailer 12$27,612 SGD

Retailer 19$29,362 SGD

Retailer 15$29,484 SGD

Retailer 9$33,866 SGD

Retailer 13$36,130 SGD

Taylor and Hart$41,067 SGD

Retailer 10$65,352 SGD

36 data points across 23 retailers

24 retailers$11,183 SGD to $41,067 SGD

Cheapest Retailer

$11,183 SGD

$8,748 USD

Retailer 2

$11,631 SGD

$9,098 USD

View

Retailer 3

$11,662 SGD

$9,122 USD

View

Retailer 4

$11,871 SGD

CA$12,897 CAD

View

Retailer 5

$11,967 SGD

$9,361 USD

View

Retailer 6

$12,848 SGD

$10,050 USD

View

Retailer 7

$12,867 SGD

$10,065 USD

View

Retailer 8

$12,972 SGD

$10,147 USD

View

Retailer 9

$12,972 SGD

$10,147 USD

View

Price last confirmed 16 days ago

Retailer 10

$14,589 SGD

$11,412 USD

View

Retailer 11

$14,820 SGD

$11,593 USD

View

Retailer 12

$15,052 SGD

$11,774 USD

View

Final sale: no returns

Retailer 13

$15,616 SGD

£9,618 GBP

View

B+

Retailer 14

$18,587 SGD

£11,448 GBP

View

B+

Retailer 15

$20,415 SGD

$15,969 USD

View

B+

Retailer 16

$20,578 SGD

€15,330 EUR

View

B+

Retailer 17

$23,618 SGD

£14,547 GBP

View

B+

Retailer 18

$27,612 SGD

ZAR 348,926 ZAR

View

Retailer 19

$29,362 SGD

$22,968 USD

View

Retailer 20

$29,484 SGD

$23,063 USD

View

Retailer 21

$33,866 SGD

$26,491 USD

View

Price last confirmed 8 days ago

Retailer 22

$36,130 SGD

$28,262 USD

View

Most Expensive

Taylor and Hart

NC40QQR · Oct 31

$41,067 SGD

$32,124 USD

View

22 more retailers have this diamond

Prices start from $11,183 SGDSave up to $29,883 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

4.27ct Marquise

$11,183 SGD