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Cushion|Natural|GIA

3.06ct E SI1 Cushion Natural Diamond

E/SI1

Diamond specifications and retailer prices

From $70,570 AUD
CA$68,849 CAD
As of October 30, 2026
Save $17,703 AUD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $88,273 AUD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 3.06ct natural cushion diamond

This 3.06ct natural cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included) and certified by GIA. Listed at 3 retailers as of October 30, 2026, with prices from $70,570 to $88,273, a $17,703 spread on the same certified stone. The Diamond Guys lists it at $88,273. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.06
Carat
E
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.11 × 7.85 × 5.39 mm
L/W Ratio1.29
Top View
10.11 mm7.85 mm3.06 ctE / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 60.0%CrownGirdle: ThinPavilionCuletDepth 68.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $83,692 AUD|Low: $70,570 AUD|High: $88,273 AUD|Avg: $80,987 AUD|-0.1%
Retailer 1
Retailer 2
The Diamond Guys
November 1, 2026
Retailer 2$70,570 AUD
Retailer 1$83,692 AUD
The Diamond Guys$88,273 AUD

25 data points across 3 retailers

3 retailers$70,570 AUD to $88,273 AUD

B
Cheapest Retailer
-
$70,570 AUD
CA$68,849 CAD
B
Retailer 2
-
$83,692 AUD
£46,291 GBP
View
Most Expensive
C
The Diamond Guys
1842032387 · Oct 31
$88,273 AUD
$62,007 USD
View
2 more retailers have this diamond
Prices start from $70,570 AUDSave up to $17,703 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
3.06ct Cushion
$70,570 AUD