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Cushion|Natural|GIA

1.05ct L SI1 Cushion Natural Diamond

ID • L/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $2,825 AUD
As of November 6, 2026
Save $166 AUD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,991 AUD at DreamStone · As of November 4, 2026
View at DreamStone

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of November 4, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.05
Carat
L
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions6.55 × 5.49 mm
L/W Ratio1.19
Top View
6.55 mm5.49 mm1.05 ctL / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $2,991 AUD|Low: $2,789 AUD|High: $2,991 AUD|Avg: $2,918 AUD
DreamStone
Retailer 2
September 23, 2026
Retailer 2$2,825 AUD
DreamStone$2,991 AUD

3 data points across 2 retailers

2 retailers$2,825 AUD to $2,991 AUD

B
Cheapest Retailer
-
$2,825 AUD
Most Expensive
B
DreamStone
636c1d5576315c1dde597fde · Nov 4
$2,991 AUD
$2,055 USD
View
1 more retailer has this diamond
Prices start from $2,825 AUDSave up to $166 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
1.05ct Cushion
$2,825 AUD