Cushion|Natural|GIA

1.05ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 1242087047

Certificate GIA 1242087047

Diamond specifications and retailer prices

From $1,882 SGD
HK$11,500 HKD
As of November 1, 2026
Save $2,684 SGD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,565 SGD 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 $1,882 to $4,565, a $2,684 spread on the same certified stone. MOH London lists it at $4,565. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,565 SGD|Low: $1,882 SGD|High: $5,088 SGD|Avg: $2,872 SGD|-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 2$1,882 SGD
Retailer 9$2,135 SGD
Retailer 12$2,302 SGD
Retailer 15$2,406 SGD
Retailer 5$2,453 SGD
Retailer 3$2,455 SGD
Retailer 4$2,502 SGD
Retailer 11$2,542 SGD
Retailer 13$2,543 SGD
Retailer 8$2,643 SGD
Retailer 10$2,700 SGD
Retailer 7$2,765 SGD
Retailer 14$2,940 SGD
Retailer 17$3,232 SGD
Retailer 16$3,591 SGD
Retailer 6$4,075 SGD
MOH London$4,565 SGD

18 data points across 17 retailers

17 retailers$1,882 SGD to $4,565 SGD

A
Cheapest Retailer
-
$1,882 SGD
HK$11,500 HKD
Retailer 2
-
$2,135 SGD
$1,670 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$2,302 SGD
€1,715 EUR
View
A
Retailer 4
-
$2,406 SGD
$1,882 USD
View
Final sale: no returns
A
Retailer 5
-
$2,453 SGD
$1,919 USD
View
A
Retailer 6
-
$2,455 SGD
$1,920 USD
View
A
Retailer 7
-
$2,502 SGD
$1,957 USD
View
A
Retailer 8
-
$2,542 SGD
£1,566 GBP
View
A
Retailer 9
-
$2,543 SGD
£1,566 GBP
View
A
Retailer 10
-
$2,643 SGD
View
A
Retailer 11
-
$2,700 SGD
$2,112 USD
View
A
Retailer 12
-
$2,765 SGD
$2,163 USD
View
A
Retailer 13
-
$2,940 SGD
$2,300 USD
View
A
Retailer 14
-
$3,232 SGD
ZAR 40,843 ZAR
View
B+
Retailer 15
-
$3,591 SGD
€2,675 EUR
View
B+
Retailer 16
-
$4,075 SGD
$3,188 USD
View
Most Expensive
B+
MOH London
CECF82447 · Nov 1
$4,565 SGD
£2,812 GBP
View
16 more retailers have this diamond
Prices start from $1,882 SGDSave up to $2,684 SGD

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
$1,882 SGD