Marquise|Lab Grown|IGI

3.28ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG768630643

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630643

Diamond specifications and retailer prices

From $15,149 SGD

$11,850 USD

As of October 31, 2026

12 retailers carry this diamond

Most expensive: $25,885 SGD at With Clarity · As of October 22, 2026

View at With Clarity

About this 3.28ct lab-grown marquise diamond

This 3.28ct 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 LG768630643 or 768630643. Listed at 12 retailers as of October 31, 2026. 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

3.28

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768630643

Dimensions15.36 × 7.67 × 4.87 mm

L/W Ratio2.00

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 LG768630643

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

Unlock full score analysis

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

Price History

Last verified: Oct 31

Current: $8,478 SGD|Low: $4,798 SGD|High: $28,037 SGD|Avg: $13,134 SGD|-6.6%

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

With Clarity

October 23, 2026

Retailer 5$4,798 SGD

Retailer 11$5,946 SGD

Retailer 9$6,097 SGD

Retailer 13$8,165 SGD

Retailer 1$8,478 SGD

Retailer 12$10,023 SGD

Retailer 7$10,627 SGD

Retailer 2$12,181 SGD

Retailer 8$13,554 SGD

Retailer 6$14,950 SGD

Retailer 4$15,149 SGD

Retailer 10$17,527 SGD

Retailer 3$23,222 SGD

With Clarity$25,885 SGD

31 data points across 14 retailers

12 retailers

Retailer 1

$5,946 SGD

$4,651 USD

Price last confirmed 8 days ago

Retailer 2

$6,097 SGD

$4,769 USD

View

Price last confirmed 8 days ago

Retailer 3

$8,165 SGD

HK$49,900 HKD

View

Price last confirmed 8 days ago

Retailer 4

$8,478 SGD

£5,222 GBP

View

Price last confirmed 9 days ago

Retailer 5

$10,023 SGD

$7,840 USD

View

Price last confirmed 11 days ago

Retailer 6

$12,181 SGD

$9,528 USD

View

Price last confirmed 9 days ago

Retailer 7

$13,554 SGD

£8,348 GBP

View

Price last confirmed 11 days ago

Retailer 8

$14,950 SGD

ZAR 188,922 ZAR

View

Price last confirmed 12 days ago

Retailer 9

$15,149 SGD

$11,850 USD

View

Retailer 10

$17,527 SGD

$13,710 USD

View

Price last confirmed 10 days ago

Retailer 11

$23,222 SGD

$18,165 USD

View

Price last confirmed 11 days ago

Most Expensive

With Clarity

768630643 · Oct 22

$25,885 SGD

$20,248 USD

View

Price last confirmed 10 days ago

11 more retailers have this diamond

Prices start from $15,149 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

3.28ct Marquise

$15,149 SGD