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Marquise|Natural|GIA

3.01ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2556983676

Certificate GIA 2556983676

Diamond specifications and retailer prices

From $55,416 AUD
As of November 4, 2026
Save $33,913 AUD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $89,328 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 3.01ct natural marquise diamond

This 3.01ct 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 2556983676. Listed at 13 retailers as of November 4, 2026, with prices from $55,416 to $89,328, a $33,913 spread on the same certified stone. Helzberg Diamonds lists it at $89,328. 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

3.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.31°
Pavilion angle41.13°
OriginNatural
Grading LabGIA
CertificateGIA 2556983676
Dimensions14.27 × 7.55 × 4.78 mm
L/W Ratio1.89
Culet sizeNone
Top View
14.27 mm7.55 mm3.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556983676
Side View
Table 57.0%Crown 34.31°Girdle: STK-THKPavilion 41.13°Culet: NDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $89,328 AUD|Low: $55,416 AUD|High: $93,948 AUD|Avg: $69,584 AUD|-4.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$55,416 AUD
Retailer 8$58,159 AUD
Retailer 10$59,627 AUD
Retailer 11$60,486 AUD
Retailer 4$61,554 AUD
Retailer 5$63,168 AUD
Retailer 7$64,125 AUD
Retailer 13$66,618 AUD
Retailer 6$70,701 AUD
Retailer 12$71,015 AUD
Retailer 9$71,982 AUD
Retailer 2$85,114 AUD
Helzberg Diamonds$89,328 AUD

30 data points across 13 retailers

13 retailers$55,416 AUD to $89,328 AUD

A
Cheapest Retailer
-
$55,416 AUD
A
Retailer 2
-
$58,159 AUD
View
A
Retailer 3
-
$59,627 AUD
View
A
Retailer 4
-
$60,486 AUD
View
A
Retailer 5
-
$61,554 AUD
View
A
Retailer 6
-
$63,168 AUD
View
A
Retailer 7
-
$64,125 AUD
View
B+
Retailer 8
-
$66,618 AUD
View
B+
Retailer 9
-
$70,701 AUD
View
B+
Retailer 10
-
$71,015 AUD
View
B+
Retailer 11
-
$71,982 AUD
View
B
Retailer 12
-
$85,114 AUD
View
Most Expensive
B+
Helzberg Diamonds
XZRILLMPOJMNM · Nov 6
$89,328 AUD
$62,533 USD
View
12 more retailers have this diamond
Prices start from $55,416 AUDSave up to $33,913 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.

A
3.01ct Marquise
$55,416 AUD