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Cushion|Natural|GIA

0.80ct H SI1 Cushion Natural Diamond

EX • H/SI1

Diamond specifications and retailer prices

From HK$8,866 HKD
$1,130 USD
As of November 1, 2026
Save HK$9,901 HKD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$18,767 HKD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded H 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. Listed at 7 retailers as of October 30, 2026, with prices from HK$8,866 to HK$18,767, a HK$9,901 spread on the same certified stone. Diamond Exchange Canada lists it at HK$18,767. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions5.37 × 4.96 × 3.47 mm
L/W Ratio1.08
Top View
5.37 mm4.96 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.9%

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$18,767 HKD|Low: HK$8,866 HKD|High: HK$18,767 HKD|Avg: HK$14,118 HKD|+23.1%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3HK$8,866 HKD
Retailer 5HK$10,427 HKD
Retailer 4HK$11,125 HKD
Retailer 6HK$13,032 HKD
Retailer 2HK$14,040 HKD
Diamond Exchange CanadaHK$18,767 HKD

43 data points across 6 retailers

7 retailersHK$8,866 HKD to HK$18,767 HKD

A
Cheapest Retailer
-
HK$8,866 HKD
$1,130 USD
B+
Retailer 2
-
HK$10,427 HKD
$1,329 USD
View
B+
Retailer 3
-
HK$11,125 HKD
$1,418 USD
View
Retailer 4
-
HK$12,875 HKD
$1,641 USD
View
Price last confirmed 11 days ago
B
Retailer 5
-
HK$13,032 HKD
$1,661 USD
View
B+
Retailer 6
-
HK$14,040 HKD
£1,409 GBP
View
Most Expensive
B
Diamond Exchange Canada
1995725989 · Oct 30
HK$18,767 HKD
CA$3,322 CAD
View
6 more retailers have this diamond
Prices start from HK$8,866 HKDSave up to HK$9,901 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
0.80ct Cushion
HK$8,866 HKD