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Cushion|Natural|GIA

3.05ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 1232920245

Certificate GIA 1232920245

Diamond specifications and retailer prices

From $39,392 AUD
$27,671 USD
As of October 30, 2026
Save $26,915 AUD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $66,307 AUD at MOH London · As of November 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232920245. Listed at 11 retailers as of October 30, 2026, with prices from $39,392 to $66,307, a $26,915 spread on the same certified stone. MOH London lists it at $66,307. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.38°
OriginNatural
Grading LabGIA
CertificateGIA 1232920245
Dimensions10.02 × 7.62 × 5.18 mm
L/W Ratio1.31
Key to symbols
Crystal, Feather, Needle
Top View
10.02 mm7.62 mm3.05 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232920245
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 37.38°Culet: NoneDepth 68.0%

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: Oct 30
Current: $66,307 AUD|Low: $39,392 AUD|High: $74,801 AUD|Avg: $52,416 AUD|-10.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$39,392 AUD
Retailer 6$41,266 AUD
Retailer 9$43,346 AUD
Retailer 8$44,916 AUD
Retailer 7$46,438 AUD
Retailer 10$46,438 AUD
Retailer 2$46,829 AUD
Retailer 11$47,975 AUD
Retailer 3$50,438 AUD
Retailer 4$51,924 AUD
MOH London$66,307 AUD

37 data points across 11 retailers

11 retailers$39,392 AUD to $66,307 AUD

A
Cheapest Retailer
-
$39,392 AUD
$27,671 USD
A
Retailer 2
-
$41,266 AUD
$28,987 USD
View
A
Retailer 3
-
$43,346 AUD
$30,448 USD
View
Final sale: no returns
A
Retailer 4
-
$44,916 AUD
$31,551 USD
View
A
Retailer 5
-
$46,438 AUD
$32,620 USD
View
A
Retailer 6
-
$46,438 AUD
$32,620 USD
View
A
Retailer 7
-
$46,829 AUD
£25,901 GBP
View
B+
Retailer 8
-
$47,975 AUD
$33,700 USD
View
B+
Retailer 9
-
$50,438 AUD
View
B+
Retailer 10
-
$51,924 AUD
€34,737 EUR
View
Most Expensive
B+
MOH London
E228EB0AD · Nov 1
$66,307 AUD
£36,675 GBP
View
10 more retailers have this diamond
Prices start from $39,392 AUDSave up to $26,915 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
$39,392 AUD