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Cushion|Natural|GIA

1.03ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1558000551

Certificate GIA 1558000551

Diamond specifications and retailer prices

From HK$9,930 HKD
As of November 6, 2026
Save HK$12,167 HKD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,097 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 H 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 1558000551. Listed at 18 retailers as of November 4, 2026, with prices from HK$9,930 to HK$22,097, a HK$12,167 spread on the same certified stone. MOH London lists it at HK$22,097. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558000551
Dimensions6.44 × 5.11 × 3.52 mm
L/W Ratio1.26
Girdle conditionFaceted
Top View
6.44 mm5.11 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558000551
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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$22,097 HKD|Low: HK$9,828 HKD|High: HK$22,794 HKD|Avg: HK$13,723 HKD|-3.1%
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
November 6, 2026
Retailer 4HK$9,930 HKD
Retailer 14HK$10,479 HKD
Retailer 15HK$11,098 HKD
Retailer 6HK$11,129 HKD
Retailer 2HK$11,670 HKD
Retailer 8HK$11,756 HKD
Retailer 10HK$11,756 HKD
Retailer 3HK$11,991 HKD
Retailer 7HK$12,563 HKD
Retailer 5HK$13,096 HKD
Retailer 9HK$13,739 HKD
Retailer 12HK$13,904 HKD
Retailer 13HK$15,299 HKD
Retailer 11HK$17,023 HKD
Retailer 16HK$20,456 HKD
MOH LondonHK$22,097 HKD

23 data points across 16 retailers

18 retailersHK$9,930 HKD to HK$22,097 HKD

A
Cheapest Retailer
-
HK$9,930 HKD
A
Retailer 2
-
HK$10,479 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$11,098 HKD
View
A
Retailer 4
-
HK$11,129 HKD
View
A
Retailer 5
-
HK$11,670 HKD
View
A
Retailer 6
-
HK$11,756 HKD
View
A
Retailer 7
-
HK$11,756 HKD
View
A
Retailer 8
-
HK$11,991 HKD
View
A
Retailer 9
-
HK$12,563 HKD
View
A
Retailer 10
-
HK$13,096 HKD
View
A
Retailer 11
-
HK$13,739 HKD
View
A
Retailer 12
-
HK$13,904 HKD
View
B+
Retailer 13
-
HK$15,063 HKD
View
A
Retailer 14
-
HK$15,299 HKD
View
B+
Retailer 15
-
HK$17,023 HKD
View
Retailer 16
-
HK$17,227 HKD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
HK$20,456 HKD
View
Most Expensive
B+
MOH London
55261932A · Nov 4
HK$22,097 HKD
£2,220 GBP
View
17 more retailers have this diamond
Prices start from HK$9,930 HKDSave up to HK$12,167 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$9,930 HKD