Marquise|Lab Grown|IGI

4.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754595411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595411

Diamond specifications and retailer prices

From $21,271 SGD

$16,639 USD

As of November 1, 2026

Save $32,440 SGD (60%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $53,711 SGD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 4.26ct lab-grown marquise diamond

This 4.26ct lab-grown marquise 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 LG754595411 or 754595411. Listed at 29 retailers as of October 29, 2026, with prices from $21,271 to $53,711, a $32,440 spread on the same certified stone. Cape Diamonds lists it at $53,711. 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

4.26

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754595411

Dimensions16.53 × 8.39 × 5.37 mm

L/W Ratio1.97

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG754595411

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 1

Current: $53,711 SGD|Low: $20,623 SGD|High: $94,054 SGD|Avg: $40,166 SGD|+1.9%

Cape Diamonds

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

November 1, 2026

Retailer 5$21,271 SGD

Retailer 17$21,752 SGD

Retailer 8$22,936 SGD

Retailer 9$23,102 SGD

Retailer 12$24,362 SGD

Retailer 16$25,220 SGD

Retailer 15$27,601 SGD

Retailer 13$27,777 SGD

Retailer 6$36,141 SGD

Retailer 10$39,635 SGD

Retailer 14$42,972 SGD

Retailer 11$43,710 SGD

Retailer 3$45,595 SGD

Cape Diamonds$53,711 SGD

Retailer 2$54,721 SGD

Retailer 7$70,449 SGD

Retailer 4$94,054 SGD

33 data points across 17 retailers

29 retailers$21,271 SGD to $53,711 SGD

Retailer 1

$15,315 SGD

$11,980 USD

Price last confirmed 84 days ago

B+

Retailer 2

$21,271 SGD

$16,639 USD

View

B+

Retailer 3

$21,752 SGD

$17,015 USD

View

Retailer 4

$21,752 SGD

$17,015 USD

View

Price last confirmed 24 days ago

Retailer 5

$21,752 SGD

$17,015 USD

View

Price last confirmed 33 days ago

Retailer 6

$22,275 SGD

$17,424 USD

View

Price last confirmed 34 days ago

B+

Retailer 7

$22,936 SGD

$17,941 USD

View

B+

Retailer 8

$23,102 SGD

$18,071 USD

View

B+

Retailer 9

$23,648 SGD

$18,498 USD

View

Retailer 10

$23,648 SGD

$18,498 USD

View

Price last confirmed 22 days ago

Retailer 11

$23,648 SGD

$18,498 USD

View

Price last confirmed 32 days ago

B+

Retailer 12

$24,362 SGD

$19,057 USD

View

Final sale: no returns

Retailer 13

$24,884 SGD

$19,465 USD

View

Price last confirmed 34 days ago

B+

Retailer 14

$25,220 SGD

$19,728 USD

View

Retailer 15

$25,233 SGD

$19,738 USD

View

Price last confirmed 29 days ago

Retailer 16

$25,233 SGD

$19,738 USD

View

Price last confirmed 22 days ago

B+

Retailer 17

$27,601 SGD

$21,590 USD

View

B+

Retailer 18

$27,777 SGD

£17,109 GBP

View

Retailer 19

$36,141 SGD

£22,260 GBP

View

Retailer 20

$39,635 SGD

£24,412 GBP

View

Retailer 21

$42,972 SGD

€32,013 EUR

View

Retailer 22

$43,710 SGD

A$52,602 AUD

View

Retailer 23

$45,595 SGD

$35,666 USD

View

Most Expensive

Cape Diamonds

cert_754595411 · Oct 29

$53,711 SGD

ZAR 678,742 ZAR

View

23 more retailers have this diamond

Prices start from $21,271 SGDSave up to $32,440 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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4.26ct Marquise

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