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Marquise|Natural|GIA

3.04ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 10

Certificate GIA 10

Diamond specifications and retailer prices

From $55,124 AUD
$38,632 USD
As of November 2, 2026
Save $8,774 AUD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $63,898 AUD at Blue Nile · As of October 27, 2026
View at Blue Nile

About this 3.04ct natural marquise diamond

This 3.04ct natural marquise sits in the three to five carat band, graded I colour (near-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 27, 2026, with prices from $55,124 to $63,898, a $8,774 spread on the same certified stone. Blue Nile lists it at $63,898. 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

3.04
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 10
Dimensions15.00 × 7.43 × 4.73 mm
L/W Ratio2.02
Top View
15.00 mm7.43 mm3.04 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 10
Side View
Table 53.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $63,898 AUD|Low: $54,579 AUD|High: $63,898 AUD|Avg: $58,994 AUD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$55,124 AUD
Retailer 3$58,487 AUD
Blue Nile$63,898 AUD

3 data points across 3 retailers

3 retailers$55,124 AUD to $63,898 AUD

B+
Cheapest Retailer
-
$55,124 AUD
$38,632 USD
B
Retailer 2
-
$58,487 AUD
$40,989 USD
View
Most Expensive
B
Blue Nile
17248925 · Oct 27
$63,898 AUD
$44,781 USD
View
2 more retailers have this diamond
Prices start from $55,124 AUDSave up to $8,774 AUD

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+
3.04ct Marquise
$55,124 AUD