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Cushion|Natural|GIA

1.05ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 1242087047

Certificate GIA 1242087047

Diamond specifications and retailer prices

From $2,096 AUD
HK$11,500 HKD
As of November 1, 2026
Save $2,988 AUD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,084 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242087047. Listed at 17 retailers as of November 1, 2026, with prices from $2,096 to $5,084, a $2,988 spread on the same certified stone. MOH London lists it at $5,084. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242087047
Dimensions5.70 × 5.63 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.63 mm1.05 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242087047
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,084 AUD|Low: $2,096 AUD|High: $5,666 AUD|Avg: $3,195 AUD|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 11$2,096 AUD
Retailer 9$2,377 AUD
Retailer 14$2,563 AUD
Retailer 16$2,679 AUD
Retailer 2$2,708 AUD
Retailer 4$2,733 AUD
Retailer 5$2,786 AUD
Retailer 13$2,831 AUD
Retailer 15$2,831 AUD
Retailer 8$2,943 AUD
Retailer 12$3,007 AUD
Retailer 7$3,079 AUD
Retailer 10$3,331 AUD
Retailer 3$3,599 AUD
Retailer 17$3,999 AUD
Retailer 6$4,538 AUD
MOH London$5,084 AUD

18 data points across 17 retailers

17 retailers$2,096 AUD to $5,084 AUD

A
Cheapest Retailer
-
$2,096 AUD
HK$11,500 HKD
Retailer 2
-
$2,377 AUD
$1,670 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$2,563 AUD
€1,715 EUR
View
A
Retailer 4
-
$2,679 AUD
$1,882 USD
View
Final sale: no returns
A
Retailer 5
-
$2,708 AUD
$1,902 USD
View
A
Retailer 6
-
$2,733 AUD
$1,920 USD
View
A
Retailer 7
-
$2,786 AUD
$1,957 USD
View
A
Retailer 8
-
$2,831 AUD
£1,566 GBP
View
A
Retailer 9
-
$2,831 AUD
£1,566 GBP
View
A
Retailer 10
-
$2,943 AUD
SGD 2,794 SGD
View
A
Retailer 11
-
$3,007 AUD
$2,112 USD
View
A
Retailer 12
-
$3,079 AUD
$2,163 USD
View
A
Retailer 13
-
$3,331 AUD
$2,340 USD
View
A
Retailer 14
-
$3,599 AUD
ZAR 40,843 ZAR
View
B+
Retailer 15
-
$3,999 AUD
€2,675 EUR
View
B+
Retailer 16
-
$4,538 AUD
$3,188 USD
View
Most Expensive
B+
MOH London
CECF82447 · Nov 1
$5,084 AUD
£2,812 GBP
View
16 more retailers have this diamond
Prices start from $2,096 AUDSave up to $2,988 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.

A
1.05ct Cushion
$2,096 AUD