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Cushion|Natural|GIA

1.03ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1558304813

Certificate GIA 1558304813

Diamond specifications and retailer prices

From $2,792 NZD
As of November 6, 2026
Save $3,638 NZD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,431 NZD 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 $2,792 to $6,431, a $3,638 spread on the same certified stone. MOH London lists it at $6,431. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,431 NZD|Low: $2,747 NZD|High: $6,751 NZD|Avg: $3,851 NZD|-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$2,792 NZD
Retailer 7$2,857 NZD
Retailer 4$3,076 NZD
Retailer 15$3,141 NZD
Retailer 2$3,289 NZD
Retailer 9$3,335 NZD
Retailer 10$3,417 NZD
Retailer 6$3,427 NZD
Retailer 17$3,445 NZD
Retailer 8$3,561 NZD
Retailer 11$3,570 NZD
Retailer 3$3,597 NZD
Retailer 14$3,997 NZD
Retailer 5$4,034 NZD
Retailer 13$4,492 NZD
Retailer 12$4,997 NZD
Retailer 16$5,800 NZD
MOH London$6,431 NZD

21 data points across 18 retailers

19 retailers$2,792 NZD to $6,431 NZD

A
Cheapest Retailer
-
$2,792 NZD
A
Retailer 2
-
$2,857 NZD
View
A
Retailer 3
-
$3,076 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,141 NZD
View
A
Retailer 5
-
$3,289 NZD
View
A
Retailer 6
-
$3,335 NZD
View
A
Retailer 7
-
$3,417 NZD
View
A
Retailer 8
-
$3,427 NZD
View
A
Retailer 9
-
$3,445 NZD
View
A
Retailer 10
-
$3,561 NZD
View
A
Retailer 11
-
$3,570 NZD
View
A
Retailer 12
-
$3,597 NZD
View
A
Retailer 13
-
$3,997 NZD
View
A
Retailer 14
-
$4,034 NZD
View
B+
Retailer 15
-
$4,492 NZD
View
Retailer 16
-
$4,788 NZD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$4,997 NZD
View
B+
Retailer 18
-
$5,800 NZD
View
Most Expensive
B+
MOH London
2853DEC1A · Nov 4
$6,431 NZD
£2,807 GBP
View
18 more retailers have this diamond
Prices start from $2,792 NZDSave up to $3,638 NZD

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
$2,792 NZD