Marquise|Natural|GIA

3.02ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 4

Certificate GIA 4

Diamond specifications and retailer prices

From $51,862 USD
As of November 2, 2026
Save $7,956 USD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $59,818 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.02ct natural marquise diamond

This 3.02ct natural marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from $51,862 to $59,818, a $7,956 spread on the same certified stone. Blue Nile lists it at $59,818. 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

3.02
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 4
Dimensions14.04 × 7.44 × 4.81 mm
L/W Ratio1.89
Top View
14.04 mm7.44 mm3.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 4
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

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

Last verified: Nov 2
Current: $59,818 USD|Low: $51,862 USD|High: $59,818 USD|Avg: $54,763 USD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$51,862 USD
Retailer 3$55,137 USD
Blue Nile$59,818 USD

2 data points across 3 retailers

3 retailers$51,862 USD to $59,818 USD

B+
Cheapest Retailer
-
$51,862 USD
B+
Retailer 2
-
$55,137 USD
View
Most Expensive
B
Blue Nile
26976689 · Oct 31
$59,818 USD
View
2 more retailers have this diamond
Prices start from $51,862 USDSave up to $7,956 USD

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+
3.02ct Marquise
$51,862 USD