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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 HK$12,132 HKD
As of November 6, 2026
Save HK$15,807 HKD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$27,939 HKD 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 HK$12,132 to HK$27,939, a HK$15,807 spread on the same certified stone. MOH London lists it at HK$27,939. 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: HK$27,939 HKD|Low: HK$11,936 HKD|High: HK$29,333 HKD|Avg: HK$16,732 HKD|-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 18HK$12,132 HKD
Retailer 7HK$12,414 HKD
Retailer 4HK$13,363 HKD
Retailer 15HK$13,645 HKD
Retailer 2HK$14,288 HKD
Retailer 9HK$14,491 HKD
Retailer 10HK$14,844 HKD
Retailer 6HK$14,891 HKD
Retailer 17HK$14,969 HKD
Retailer 8HK$15,471 HKD
Retailer 11HK$15,510 HKD
Retailer 3HK$15,628 HKD
Retailer 14HK$17,368 HKD
Retailer 5HK$17,524 HKD
Retailer 13HK$19,515 HKD
Retailer 12HK$21,710 HKD
Retailer 16HK$25,197 HKD
MOH LondonHK$27,939 HKD

21 data points across 18 retailers

19 retailersHK$12,132 HKD to HK$27,939 HKD

A
Cheapest Retailer
-
HK$12,132 HKD
A
Retailer 2
-
HK$12,414 HKD
View
A
Retailer 3
-
HK$13,363 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$13,645 HKD
View
A
Retailer 5
-
HK$14,288 HKD
View
A
Retailer 6
-
HK$14,491 HKD
View
A
Retailer 7
-
HK$14,844 HKD
View
A
Retailer 8
-
HK$14,891 HKD
View
A
Retailer 9
-
HK$14,969 HKD
View
A
Retailer 10
-
HK$15,471 HKD
View
A
Retailer 11
-
HK$15,510 HKD
View
A
Retailer 12
-
HK$15,628 HKD
View
A
Retailer 13
-
HK$17,368 HKD
View
A
Retailer 14
-
HK$17,524 HKD
View
B+
Retailer 15
-
HK$19,515 HKD
View
Retailer 16
-
HK$20,800 HKD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
HK$21,710 HKD
View
B+
Retailer 18
-
HK$25,197 HKD
View
Most Expensive
B+
MOH London
2853DEC1A · Nov 4
HK$27,939 HKD
£2,807 GBP
View
18 more retailers have this diamond
Prices start from HK$12,132 HKDSave up to HK$15,807 HKD

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
HK$12,132 HKD