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Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6541438892

Certificate GIA 6541438892

Diamond specifications and retailer prices

From HK$6,616 HKD
₹80,312 INR
As of November 2, 2026
Save HK$9,437 HKD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$16,053 HKD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

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 6541438892. Listed at 11 retailers as of November 2, 2026, with prices from HK$6,616 to HK$16,053, a HK$9,437 spread on the same certified stone. Moon Ocean lists it at HK$16,053. 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
OriginNatural
Grading LabGIA
CertificateGIA 6541438892
Dimensions6.72 × 4.56 × 3.09 mm
L/W Ratio1.47
Top View
6.72 mm4.56 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541438892
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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 2
Current: HK$16,053 HKD|Low: HK$6,616 HKD|High: HK$17,693 HKD|Avg: HK$12,109 HKD|-9.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2HK$6,616 HKD
Retailer 8HK$8,340 HKD
Retailer 9HK$9,392 HKD
Retailer 7HK$9,393 HKD
Retailer 3HK$9,841 HKD
Retailer 10HK$10,631 HKD
Retailer 5HK$11,707 HKD
Retailer 6HK$12,220 HKD
Retailer 4HK$15,286 HKD
Moon OceanHK$16,053 HKD

27 data points across 10 retailers

11 retailersHK$6,616 HKD to HK$16,053 HKD

A
Cheapest Retailer
-
HK$6,616 HKD
₹80,312 INR
A
Retailer 2
-
HK$8,340 HKD
$1,063 USD
View
B+
Retailer 3
-
HK$9,392 HKD
$1,197 USD
View
B+
Retailer 4
-
HK$9,393 HKD
$1,197 USD
View
B+
Retailer 5
-
HK$9,841 HKD
£988 GBP
View
B+
Retailer 6
-
HK$10,631 HKD
$1,355 USD
View
B+
Retailer 7
-
HK$11,707 HKD
€1,421 EUR
View
Retailer 8
-
HK$11,866 HKD
A$2,327 AUD
View
Price last confirmed 30 days ago
B
Retailer 9
-
HK$12,220 HKD
ZAR 25,160 ZAR
View
B
Retailer 10
-
HK$15,286 HKD
£1,534 GBP
View
Most Expensive
B
Moon Ocean
NVN-116C2E804-892 · Nov 2
HK$16,053 HKD
£1,611 GBP
View
10 more retailers have this diamond
Prices start from HK$6,616 HKDSave up to HK$9,437 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$6,616 HKD