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Cushion|Natural|GIA

1.01ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1558080975

Certificate GIA 1558080975

Diamond specifications and retailer prices

From $1,724 SGD
As of November 4, 2026
Save $454 SGD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,177 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558080975. Listed at 8 retailers as of November 4, 2026, with prices from $1,724 to $2,177, a $454 spread on the same certified stone. Blue Nile lists it at $2,177. 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

1.01
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558080975
Dimensions5.58 × 5.53 × 3.73 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.58 mm5.53 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558080975
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

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 4
Current: $2,177 SGD|Low: $1,570 SGD|High: $2,374 SGD|Avg: $1,964 SGD|-8.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$1,724 SGD
Retailer 5$1,801 SGD
Retailer 7$1,810 SGD
Retailer 4$1,825 SGD
Retailer 2$1,949 SGD
Retailer 6$2,058 SGD
Retailer 8$2,156 SGD
Blue Nile$2,177 SGD

40 data points across 8 retailers

8 retailers$1,724 SGD to $2,177 SGD

A
Cheapest Retailer
-
$1,724 SGD
A
Retailer 2
-
$1,801 SGD
View
Final sale: no returns
A
Retailer 3
-
$1,810 SGD
View
A
Retailer 4
-
$1,825 SGD
View
A
Retailer 5
-
$1,949 SGD
View
A
Retailer 6
-
$2,058 SGD
View
A
Retailer 7
-
$2,156 SGD
View
Most Expensive
A
Blue Nile
28906555 · Nov 5
$2,177 SGD
$1,699 USD
View
7 more retailers have this diamond
Prices start from $1,724 SGDSave up to $454 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
1.01ct Cushion
$1,724 SGD