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Cushion|Natural|GIA

3.05ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 1563037001

Certificate GIA 1563037001

Diamond specifications and retailer prices

From $40,431 AUD
As of November 5, 2026
Save $27,346 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $67,777 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 3.05ct natural cushion diamond

This 3.05ct natural cushion 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 1563037001. Listed at 6 retailers as of November 2, 2026, with prices from $40,431 to $67,777, a $27,346 spread on the same certified stone. MOH London lists it at $67,777. 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

3.05
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.06°
Pavilion angle31.35°
OriginNatural
Grading LabGIA
CertificateGIA 1563037001
Dimensions9.70 × 7.42 × 4.96 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.70 mm7.42 mm3.05 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563037001
Side View
Table 60.0%Crown 37.06°Girdle: MED-THKPavilion 31.35°Culet: NoneDepth 66.8%

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 5
Current: $67,777 AUD|Low: $40,431 AUD|High: $69,184 AUD|Avg: $48,804 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$40,431 AUD
Retailer 2$40,689 AUD
Retailer 5$43,353 AUD
Retailer 4$46,529 AUD
Retailer 3$48,207 AUD
MOH London$67,777 AUD

41 data points across 6 retailers

6 retailers$40,431 AUD to $67,777 AUD

A
Cheapest Retailer
-
$40,431 AUD
A
Retailer 2
-
$40,689 AUD
View
Retailer 3
-
$43,353 AUD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
$46,529 AUD
View
B+
Retailer 5
-
$48,207 AUD
View
Most Expensive
B
MOH London
E9EB423D7 · Nov 2
$67,777 AUD
£36,669 GBP
View
5 more retailers have this diamond
Prices start from $40,431 AUDSave up to $27,346 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
3.05ct Cushion
$40,431 AUD