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Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2546879386

Certificate GIA 2546879386

Diamond specifications and retailer prices

From HK$5,423 HKD
As of November 1, 2026
Save HK$7,271 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,694 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 J 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 2546879386. Listed at 15 retailers as of November 1, 2026, with prices from HK$5,423 to HK$12,694, a HK$7,271 spread on the same certified stone. MOH London lists it at HK$12,694. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle37.5°
OriginNatural
Grading LabGIA
CertificateGIA 2546879386
Dimensions5.52 × 5.50 × 3.68 mm
L/W Ratio1.00
Top View
5.52 mm5.50 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546879386
Side View
Table 64.0%CrownGirdle: STK-ETKPavilion 37.5°Culet: 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$12,694 HKD|Low: HK$5,423 HKD|High: HK$13,282 HKD|Avg: HK$8,954 HKD|-4.4%
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
November 1, 2026
Retailer 2HK$5,423 HKD
Retailer 10HK$6,394 HKD
Retailer 9HK$7,297 HKD
Retailer 13HK$7,453 HKD
Retailer 14HK$7,587 HKD
Retailer 5HK$7,664 HKD
Retailer 8HK$8,098 HKD
Retailer 7HK$8,890 HKD
Retailer 4HK$9,070 HKD
Retailer 11HK$9,927 HKD
Retailer 12HK$10,321 HKD
Retailer 6HK$10,776 HKD
Retailer 3HK$11,449 HKD
MOH LondonHK$12,694 HKD

32 data points across 14 retailers

15 retailersHK$5,423 HKD to HK$12,694 HKD

A
Cheapest Retailer
-
HK$5,423 HKD
A
Retailer 2
-
HK$6,394 HKD
$815 USD
View
Final sale: no returns
A
Retailer 3
-
HK$7,297 HKD
$930 USD
View
A
Retailer 4
-
HK$7,453 HKD
$950 USD
View
A
Retailer 5
-
HK$7,587 HKD
$967 USD
View
Retailer 6
-
HK$7,664 HKD
SGD 1,320 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
HK$8,098 HKD
£813 GBP
View
B+
Retailer 8
-
HK$8,890 HKD
$1,133 USD
View
B+
Retailer 9
-
HK$9,070 HKD
$1,156 USD
View
B+
Retailer 10
-
HK$9,927 HKD
€1,205 EUR
View
B+
Retailer 11
-
HK$10,321 HKD
ZAR 21,251 ZAR
View
B+
Retailer 12
-
HK$10,342 HKD
A$2,028 AUD
View
Retailer 13
-
HK$10,776 HKD
A$2,113 AUD
View
Price last confirmed 28 days ago
Retailer 14
-
HK$11,449 HKD
$1,459 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
BA4B8AC2A · Nov 1
HK$12,694 HKD
£1,274 GBP
View
14 more retailers have this diamond
Prices start from HK$5,423 HKDSave up to HK$7,271 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$5,423 HKD