CaratHunter
Plans
Cushion|Natural|GIA

0.90ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6542390507

Certificate GIA 6542390507

Diamond specifications and retailer prices

From HK$4,182 HKD
$533 USD
As of October 31, 2026
Save HK$7,273 HKD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$11,455 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542390507. Listed at 6 retailers as of October 31, 2026, with prices from HK$4,182 to HK$11,455, a HK$7,273 spread on the same certified stone. Do Amore Diamonds lists it at HK$11,455. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542390507
Dimensions5.45 × 5.27 × 3.56 mm
L/W Ratio1.03
Top View
5.45 mm5.27 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542390507
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.6%

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: Oct 31
Current: HK$11,455 HKD|Low: HK$3,868 HKD|High: HK$13,024 HKD|Avg: HK$6,280 HKD|-12.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5HK$4,182 HKD
Retailer 6HK$4,581 HKD
Retailer 3HK$5,076 HKD
Retailer 4HK$5,150 HKD
Retailer 2HK$5,671 HKD
Do Amore DiamondsHK$11,455 HKD

40 data points across 6 retailers

6 retailersHK$4,182 HKD to HK$11,455 HKD

A
Cheapest Retailer
-
HK$4,182 HKD
$533 USD
Final sale: no returns
A
Retailer 2
-
HK$4,581 HKD
MYR 2,379 MYR
View
A
Retailer 3
-
HK$5,076 HKD
$647 USD
View
A
Retailer 4
-
HK$5,150 HKD
SGD 887 SGD
View
A
Retailer 5
-
HK$5,671 HKD
£569 GBP
View
Most Expensive
B+
Do Amore Diamonds
12-100767563754 · Oct 31
HK$11,455 HKD
$1,460 USD
View
5 more retailers have this diamond
Prices start from HK$4,182 HKDSave up to HK$7,273 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$4,182 HKD