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Cushion|Natural|GIA

0.80ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6405433327

Certificate GIA 6405433327

Diamond specifications and retailer prices

From HK$14,068 HKD
As of November 5, 2026
Save HK$9,462 HKD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$23,530 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 0.8ct natural cushion diamond

This 0.8ct 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 6405433327. Listed at 8 retailers as of November 4, 2026, with prices from HK$14,068 to HK$23,530, a HK$9,462 spread on the same certified stone. MOH London lists it at HK$23,530. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6405433327
Dimensions5.43 × 5.04 × 3.43 mm
L/W Ratio1.08
Top View
5.43 mm5.04 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6405433327
Side View
Table 59.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$23,530 HKD|Low: HK$14,068 HKD|High: HK$23,878 HKD|Avg: HK$17,536 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4HK$14,068 HKD
Retailer 2HK$15,087 HKD
Retailer 3HK$17,266 HKD
MOH LondonHK$23,530 HKD

44 data points across 4 retailers

8 retailersHK$14,068 HKD to HK$23,530 HKD

B
Cheapest Retailer
-
HK$14,068 HKD
B
Retailer 2
-
HK$14,969 HKD
View
B
Retailer 3
-
HK$14,969 HKD
View
B
Retailer 4
-
HK$15,087 HKD
View
B
Retailer 5
-
HK$15,440 HKD
View
B
Retailer 6
-
HK$15,596 HKD
View
B
Retailer 7
-
HK$17,266 HKD
View
Most Expensive
B
MOH London
E3160B833 · Nov 4
HK$23,530 HKD
£2,364 GBP
View
7 more retailers have this diamond
Prices start from HK$14,068 HKDSave up to HK$9,462 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.

B
0.80ct Cushion
HK$14,068 HKD