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Cushion|Natural|GIA

0.90ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1555245420

Certificate GIA 1555245420

Diamond specifications and retailer prices

From HK$6,729 HKD
As of October 29, 2026
Save HK$9,205 HKD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$15,934 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-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 1555245420. Listed at 14 retailers as of October 29, 2026, with prices from HK$6,729 to HK$15,934, a HK$9,205 spread on the same certified stone. MOH London lists it at HK$15,934. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle34.9°
OriginNatural
Grading LabGIA
CertificateGIA 1555245420
Dimensions5.82 × 5.55 × 3.61 mm
L/W Ratio1.05
Top View
5.82 mm5.55 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555245420
Side View
Table 66.0%Crown 34.3°Girdle: THN-THKPavilion 34.9°Culet: NoneDepth 65.1%

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: Oct 29
Current: HK$15,934 HKD|Low: HK$6,729 HKD|High: HK$16,711 HKD|Avg: HK$10,155 HKD|-4.7%
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
October 29, 2026
Retailer 9HK$6,729 HKD
Retailer 2HK$7,234 HKD
Retailer 13HK$8,121 HKD
Retailer 7HK$8,372 HKD
Retailer 14HK$8,560 HKD
Retailer 10HK$8,866 HKD
Retailer 11HK$9,494 HKD
Retailer 8HK$9,831 HKD
Retailer 4HK$9,886 HKD
Retailer 5HK$10,200 HKD
Retailer 3HK$11,283 HKD
Retailer 6HK$12,437 HKD
Retailer 12HK$12,597 HKD
MOH LondonHK$15,934 HKD

31 data points across 14 retailers

14 retailersHK$6,729 HKD to HK$15,934 HKD

A
Cheapest Retailer
-
HK$6,729 HKD
A
Retailer 2
-
HK$7,234 HKD
$922 USD
View
Final sale: no returns
A
Retailer 3
-
HK$8,121 HKD
$1,035 USD
View
A
Retailer 4
-
HK$8,372 HKD
$1,067 USD
View
A
Retailer 5
-
HK$8,560 HKD
$1,091 USD
View
A
Retailer 6
-
HK$8,866 HKD
$1,130 USD
View
A
Retailer 7
-
HK$9,494 HKD
$1,210 USD
View
A
Retailer 8
-
HK$9,831 HKD
£987 GBP
View
A
Retailer 9
-
HK$9,886 HKD
$1,260 USD
View
A
Retailer 10
-
HK$10,200 HKD
$1,300 USD
View
A
Retailer 11
-
HK$11,283 HKD
$1,438 USD
View
Retailer 12
-
HK$12,437 HKD
A$2,439 AUD
View
Price last confirmed 29 days ago
A
Retailer 13
-
HK$12,597 HKD
€1,529 EUR
View
Most Expensive
B+
MOH London
59727E12C · Oct 29
HK$15,934 HKD
£1,599 GBP
View
13 more retailers have this diamond
Prices start from HK$6,729 HKDSave up to HK$9,205 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
0.90ct Cushion
HK$6,729 HKD