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Cushion|Natural|GIA

3.06ct E SI1 Cushion Natural Diamond

E/SI1

Diamond specifications and retailer prices

From HK$388,508 HKD
As of November 5, 2026
Save HK$97,466 HKD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$485,974 HKD at The Diamond Guys · As of November 6, 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 November 5, 2026, with prices from HK$388,508 to HK$485,974, a HK$97,466 spread on the same certified stone. The Diamond Guys lists it at HK$485,974. 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

How it works →
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: Nov 5
Current: HK$459,820 HKD|Low: HK$388,508 HKD|High: HK$485,974 HKD|Avg: HK$445,819 HKD|-0.3%
Retailer 1
Retailer 2
The Diamond Guys
November 4, 2026
Retailer 2HK$388,508 HKD
Retailer 1HK$459,820 HKD
The Diamond GuysHK$485,974 HKD

25 data points across 3 retailers

3 retailersHK$388,508 HKD to HK$485,974 HKD

B
Cheapest Retailer
-
HK$388,508 HKD
B
Retailer 2
-
HK$459,820 HKD
View
Most Expensive
C
The Diamond Guys
1842032387 · Nov 6
HK$485,974 HKD
$62,007 USD
View
2 more retailers have this diamond
Prices start from HK$388,508 HKDSave up to HK$97,466 HKD

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
HK$388,508 HKD