Marquise|Lab Grown|IGI

4.54ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG812649300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812649300

Diamond specifications and retailer prices

From $11,639 SGD

$9,104 USD

As of October 31, 2026

Save $36,206 SGD (76%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $47,845 SGD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 4.54ct lab-grown marquise diamond

This 4.54ct 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 LG812649300 or 812649300. Listed at 23 retailers as of October 31, 2026, with prices from $11,639 to $47,845, a $36,206 spread on the same certified stone. Taylor and Hart lists it at $47,845. 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

4.54

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812649300

Dimensions17.65 × 8.59 × 5.27 mm

L/W Ratio2.05

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 LG812649300

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 31

Current: $24,909 SGD|Low: $10,508 SGD|High: $73,661 SGD|Avg: $24,251 SGD|+1.0%

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Taylor and Hart

November 1, 2026

Retailer 15$11,438 SGD

Retailer 8$11,639 SGD

Retailer 3$11,837 SGD

Retailer 17$12,390 SGD

Retailer 25$12,564 SGD

Retailer 14$13,821 SGD

Retailer 18$13,821 SGD

Retailer 22$14,094 SGD

Retailer 23$14,094 SGD

Retailer 2$14,989 SGD

Retailer 24$15,250 SGD

Retailer 16$15,543 SGD

Retailer 12$15,804 SGD

Retailer 27$18,821 SGD

Retailer 28$21,358 SGD

Retailer 13$21,873 SGD

Retailer 20$21,894 SGD

Retailer 9$22,717 SGD

Retailer 4$23,868 SGD

Retailer 1$24,909 SGD

Retailer 10$25,732 SGD

Retailer 5$29,557 SGD

Retailer 26$33,754 SGD

Retailer 19$36,135 SGD

Retailer 7$39,536 SGD

Retailer 11$40,063 SGD

Taylor and Hart$47,845 SGD

Retailer 21$69,730 SGD

Retailer 6$73,661 SGD

22 data points across 29 retailers

23 retailers$11,639 SGD to $47,845 SGD

Retailer 1

$11,438 SGD

$8,947 USD

Price last confirmed 30 days ago

Retailer 2

$11,639 SGD

$9,104 USD

View

Retailer 3

$11,837 SGD

$9,259 USD

View

Retailer 4

$12,564 SGD

CA$13,650 CAD

View

Retailer 5

$13,490 SGD

$10,552 USD

View

Retailer 6

$13,821 SGD

$10,811 USD

View

Price last confirmed 29 days ago

Retailer 7

$14,094 SGD

$11,025 USD

View

Retailer 8

$14,094 SGD

$11,025 USD

View

Retailer 9

$15,250 SGD

$11,929 USD

View

Final sale: no returns

Retailer 10

$15,543 SGD

$12,158 USD

View

Price last confirmed 32 days ago

Retailer 11

$15,804 SGD

$12,362 USD

View

B+

Retailer 12

$18,821 SGD

£11,592 GBP

View

B+

Retailer 13

$21,358 SGD

$16,707 USD

View

B+

Retailer 14

$22,717 SGD

£13,992 GBP

View

B+

Retailer 15

$23,868 SGD

$18,670 USD

View

B+

Retailer 16

$24,909 SGD

£15,342 GBP

View

B+

Retailer 17

$25,732 SGD

$20,128 USD

View

Retailer 18

$29,557 SGD

$23,120 USD

View

Retailer 19

$33,754 SGD

ZAR 426,548 ZAR

View

Retailer 20

$39,536 SGD

$30,926 USD

View

Retailer 21

$40,063 SGD

$31,339 USD

View

Most Expensive

Taylor and Hart

5S5SWTS · Oct 31

$47,845 SGD

$37,426 USD

View

21 more retailers have this diamond

Prices start from $11,639 SGDSave up to $36,206 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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4.54ct Marquise

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