Marquise|Lab Grown|IGI

4.20ct D FL Marquise Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From $7,734 USD

CA$10,742 CAD

1 retailer carries this diamond

Only listing: $7,734 USD at Diamond Exchange Canada

Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.

View at Diamond Exchange Canada

About this 4.2ct lab-grown marquise diamond

This 4.2ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Currently listed at a single retailer. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.20

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginLab Grown

Grading LabIGI

Dimensions16.26 × 7.82 × 5.06 mm

L/W Ratio2.08

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

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

Price History

Last verified: Sep 24

Current: $7,734 USD|Low: $7,734 USD|High: $7,734 USD|Avg: $7,734 USD

September 4, 2026

Diamond Exchange Canada$7,734 USD

1 data point across 1 retailer

1 retailer

B+

Diamond Exchange Canada

1977583730 · Sep 24

$7,734 USD

CA$10,742 CAD

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Price last confirmed 7 days ago

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.

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