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Cushion|Natural|GIA

0.40ct G SI1 Cushion Natural Diamond

GD • G/SI1 • GIA 6395709247

Certificate GIA 6395709247

Diamond specifications and retailer prices

From $1,055 AUD
$741 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $1,055 AUD at B2C Jewels
View at B2C Jewels

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6395709247. Listed at 2 retailers as of November 2, 2026. 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

0.40
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6395709247
Dimensions7.62 × 4.01 × 2.40 mm
L/W Ratio1.90
Top View
7.62 mm4.01 mm0.40 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6395709247
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,055 AUD|Low: $891 AUD|High: $1,502 AUD|Avg: $1,271 AUD|-9.4%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 23, 2026
Retailer 3$940 AUD
B2C Jewels$1,055 AUD
Retailer 2$1,162 AUD
Retailer 5$1,402 AUD
Retailer 4$1,502 AUD

31 data points across 5 retailers

2 retailers

Retailer 1
-
$940 AUD
$660 USD
Price last confirmed 57 days ago
Most Expensive
B
B2C Jewels
31340647 · Nov 2
$1,055 AUD
$741 USD
View
1 more retailer has this diamond

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
0.40ct Cushion
$1,055 AUD