Marquise|Natural|GIA

4.02ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6555208020

Certificate GIA 6555208020

Diamond specifications and retailer prices

From $56,135 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $56,135 USD at Blue Nile
View at Blue Nile

About this 4.02ct natural marquise diamond

This 4.02ct natural marquise sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555208020. Listed at 2 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.02
Carat
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555208020
Dimensions14.54 × 7.99 × 5.50 mm
L/W Ratio1.82
Top View
14.54 mm7.99 mm4.02 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555208020
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $56,135 USD|Low: $48,410 USD|High: $56,135 USD|Avg: $50,985 USD
Blue Nile
Retailer 2
October 24, 2026
Retailer 2$48,410 USD
Blue Nile$56,135 USD

2 data points across 2 retailers

2 retailers

Retailer 1
-
$48,410 USD
Price last confirmed 11 days ago
Most Expensive
B+
Blue Nile
30437753 · Oct 29
$56,135 USD
View
1 more retailer has this diamond

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.

B+
4.02ct Marquise
$56,135 USD