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Cushion|Lab Grown|GIA

1.02ct D SI1 Cushion Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $1,543 AUD
As of November 5, 2026
Save $499 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,042 AUD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA. Listed at 2 retailers as of November 5, 2026, with prices from $1,543 to $2,042, a $499 spread on the same certified stone. Washington Diamond lists it at $2,042. 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

1.02
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions7.12 × 5.42 × 3.46 mm
L/W Ratio1.31
Top View
7.12 mm5.42 mm1.02 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: SLGDepth 63.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,543 AUD|Low: $275 AUD|High: $2,042 AUD|Avg: $1,052 AUD|-12.7%
Retailer 1
Retailer 2
Washington Diamond
November 6, 2026
Retailer 2$275 AUD
Retailer 1$1,543 AUD
Washington Diamond$2,042 AUD

14 data points across 3 retailers

2 retailers$1,543 AUD to $2,042 AUD

B
Cheapest Retailer
-
$1,543 AUD
Most Expensive
C
Washington Diamond
1949231306 · Nov 6
$2,042 AUD
$1,403 USD
View
1 more retailer has this diamond
Prices start from $1,543 AUDSave up to $499 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
1.02ct Cushion
$1,543 AUD