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Cushion|Natural|GIA

0.81ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5202431859

Certificate GIA 5202431859

Diamond specifications and retailer prices

From HK$13,261 HKD
As of November 7, 2026
Save HK$3,598 HKD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$16,859 HKD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.81ct natural cushion diamond

This 0.81ct 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 5202431859. Listed at 3 retailers as of November 5, 2026, with prices from HK$13,261 to HK$16,859, a HK$3,598 spread on the same certified stone. Diamond Exchange Canada lists it at HK$16,859. 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

0.81
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5202431859
Dimensions5.40 × 4.96 × 3.45 mm
L/W Ratio1.09
Top View
5.40 mm4.96 mm0.81 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5202431859
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 69.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 7
Current: HK$16,859 HKD|Low: HK$13,135 HKD|High: HK$16,859 HKD|Avg: HK$15,063 HKD
Diamond Exchange Canada
Retailer 2
Retailer 3
November 7, 2026
Retailer 2HK$13,261 HKD
Retailer 3HK$13,378 HKD
Diamond Exchange CanadaHK$16,859 HKD

37 data points across 3 retailers

3 retailersHK$13,261 HKD to HK$16,859 HKD

B
Cheapest Retailer
-
HK$13,261 HKD
B
Retailer 2
-
HK$13,378 HKD
View
Most Expensive
B
Diamond Exchange Canada
1771508804 · Nov 5
HK$16,859 HKD
CA$2,988 CAD
View
2 more retailers have this diamond
Prices start from HK$13,261 HKDSave up to HK$3,598 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
0.81ct Cushion
HK$13,261 HKD