Cushion|Natural|GIA

1.03ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1558304813

Certificate GIA 1558304813

Diamond specifications and retailer prices

From $1,984 SGD
As of November 6, 2026
Save $2,585 SGD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,569 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded E 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 1558304813. Listed at 19 retailers as of November 4, 2026, with prices from $1,984 to $4,569, a $2,585 spread on the same certified stone. MOH London lists it at $4,569. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558304813
Dimensions5.80 × 5.80 × 3.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.80 mm5.80 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558304813
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.8%

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 6
Current: $4,569 SGD|Low: $1,952 SGD|High: $4,797 SGD|Avg: $2,736 SGD|-4.8%
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
Retailer 18
November 6, 2026
Retailer 18$1,984 SGD
Retailer 7$2,030 SGD
Retailer 4$2,185 SGD
Retailer 15$2,231 SGD
Retailer 2$2,336 SGD
Retailer 9$2,370 SGD
Retailer 10$2,427 SGD
Retailer 6$2,435 SGD
Retailer 17$2,448 SGD
Retailer 8$2,530 SGD
Retailer 11$2,536 SGD
Retailer 3$2,556 SGD
Retailer 14$2,840 SGD
Retailer 5$2,866 SGD
Retailer 13$3,191 SGD
Retailer 12$3,550 SGD
Retailer 16$4,120 SGD
MOH London$4,569 SGD

21 data points across 18 retailers

19 retailers$1,984 SGD to $4,569 SGD

A
Cheapest Retailer
-
$1,984 SGD
A
Retailer 2
-
$2,030 SGD
View
A
Retailer 3
-
$2,185 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,231 SGD
View
A
Retailer 5
-
$2,336 SGD
View
A
Retailer 6
-
$2,370 SGD
View
A
Retailer 7
-
$2,427 SGD
View
A
Retailer 8
-
$2,435 SGD
View
A
Retailer 9
-
$2,448 SGD
View
A
Retailer 10
-
$2,530 SGD
View
A
Retailer 11
-
$2,536 SGD
View
A
Retailer 12
-
$2,556 SGD
View
A
Retailer 13
-
$2,840 SGD
View
A
Retailer 14
-
$2,866 SGD
View
B+
Retailer 15
-
$3,191 SGD
View
Retailer 16
-
$3,401 SGD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$3,550 SGD
View
B+
Retailer 18
-
$4,120 SGD
View
Most Expensive
B+
MOH London
2853DEC1A · Nov 4
$4,569 SGD
£2,807 GBP
View
18 more retailers have this diamond
Prices start from $1,984 SGDSave up to $2,585 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
1.03ct Cushion
$1,984 SGD