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Cushion|Natural|GIA

0.90ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6555162739

Certificate GIA 6555162739

Diamond specifications and retailer prices

From HK$6,729 HKD
As of November 1, 2026
Save HK$9,484 HKD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$16,212 HKD at MOH London · As of November 1, 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 I 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 6555162739. Listed at 15 retailers as of November 1, 2026, with prices from HK$6,729 to HK$16,212, a HK$9,484 spread on the same certified stone. MOH London lists it at HK$16,212. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555162739
Dimensions5.71 × 5.46 × 3.65 mm
L/W Ratio1.05
Top View
5.71 mm5.46 mm0.90 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555162739
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.9%

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 1
Current: HK$16,212 HKD|Low: HK$6,729 HKD|High: HK$16,910 HKD|Avg: HK$10,785 HKD|-4.1%
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
November 2, 2026
Retailer 8HK$6,729 HKD
Retailer 11HK$8,160 HKD
Retailer 10HK$8,625 HKD
Retailer 7HK$9,117 HKD
Retailer 13HK$9,258 HKD
Retailer 5HK$9,505 HKD
Retailer 6HK$10,091 HKD
Retailer 9HK$10,524 HKD
Retailer 4HK$10,663 HKD
Retailer 2HK$12,391 HKD
Retailer 12HK$13,164 HKD
Retailer 3HK$14,176 HKD
MOH LondonHK$16,212 HKD

26 data points across 13 retailers

15 retailersHK$6,729 HKD to HK$16,212 HKD

A
Cheapest Retailer
-
HK$6,729 HKD
B+
Retailer 2
-
HK$8,160 HKD
$1,040 USD
View
Final sale: no returns
A
Retailer 3
-
HK$8,625 HKD
€1,047 EUR
View
A
Retailer 4
-
HK$9,117 HKD
$1,162 USD
View
A
Retailer 5
-
HK$9,258 HKD
$1,180 USD
View
Retailer 6
-
HK$9,505 HKD
SGD 1,637 SGD
View
Price last confirmed 10 days ago
A
Retailer 7
-
HK$10,091 HKD
£1,013 GBP
View
A
Retailer 8
-
HK$10,524 HKD
$1,341 USD
View
A
Retailer 9
-
HK$10,663 HKD
$1,359 USD
View
Retailer 10
-
HK$11,926 HKD
A$2,339 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
HK$12,026 HKD
A$2,358 AUD
View
B+
Retailer 12
-
HK$12,391 HKD
€1,504 EUR
View
B+
Retailer 13
-
HK$13,164 HKD
ZAR 27,105 ZAR
View
Retailer 14
-
HK$14,176 HKD
$1,807 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
157E34199 · Nov 1
HK$16,212 HKD
£1,627 GBP
View
14 more retailers have this diamond
Prices start from HK$6,729 HKDSave up to HK$9,484 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