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Marquise|Lab Grown

3.48ct E FL Marquise Lab Grown Diamond

ID • E/FL • 683584319

Diamond specifications and retailer prices

From $23,323 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $23,323 USD at Blue Nile
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 Blue Nile

About this 3.48ct lab-grown marquise diamond

This 3.48ct 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. Listed at a single retailer as of October 29, 2026. 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

3.48
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate683584319
Dimensions15.36 × 7.90 × 5.03 mm
L/W Ratio1.94
Top View
15.36 mm7.90 mm3.48 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate683584319
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.7%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $23,323 USD|Low: $14,840 USD|High: $25,778 USD|Avg: $19,695 USD|-9.5%
Blue Nile
Retailer 2
October 10, 2026
Retailer 2$14,840 USD
Blue Nile$23,323 USD

2 data points across 2 retailers

1 retailer

C
Blue Nile
29977623 · Oct 29
$23,323 USD
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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.

C
3.48ct Marquise
$23,323 USD