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Cushion|Natural|GIA

0.80ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6187707281

Certificate GIA 6187707281

Diamond specifications and retailer prices

From HK$10,152 HKD
$1,294 USD
As of November 1, 2026
Save HK$11,131 HKD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$21,283 HKD at MOH London · As of October 29, 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 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 6187707281. Listed at 11 retailers as of October 29, 2026, with prices from HK$10,152 to HK$21,283, a HK$11,131 spread on the same certified stone. MOH London lists it at HK$21,283. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6187707281
Dimensions5.41 × 5.39 × 3.74 mm
L/W Ratio1.00
Top View
5.41 mm5.39 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6187707281
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NDepth 69.4%

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$21,283 HKD|Low: HK$10,160 HKD|High: HK$21,433 HKD|Avg: HK$14,827 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5HK$10,160 HKD
Retailer 7HK$10,953 HKD
Retailer 8HK$11,769 HKD
Retailer 2HK$13,485 HKD
Retailer 6HK$15,770 HKD
Retailer 3HK$16,509 HKD
Retailer 4HK$18,000 HKD
MOH LondonHK$21,283 HKD

44 data points across 8 retailers

11 retailersHK$10,152 HKD to HK$21,283 HKD

B+
Cheapest Retailer
-
HK$10,152 HKD
$1,294 USD
A
Retailer 2
-
HK$10,160 HKD
$1,295 USD
View
B+
Retailer 3
-
HK$10,953 HKD
$1,396 USD
View
B+
Retailer 4
-
HK$11,769 HKD
$1,500 USD
View
B
Retailer 5
-
HK$13,244 HKD
$1,688 USD
View
B
Retailer 6
-
HK$13,485 HKD
£1,353 GBP
View
B+
Retailer 7
-
HK$13,895 HKD
$1,771 USD
View
Retailer 8
-
HK$15,770 HKD
A$3,092 AUD
View
Price last confirmed 27 days ago
B
Retailer 9
-
HK$16,509 HKD
€2,004 EUR
View
B
Retailer 10
-
HK$18,000 HKD
ZAR 37,064 ZAR
View
Most Expensive
B
MOH London
F15FAA159 · Oct 29
HK$21,283 HKD
£2,136 GBP
View
10 more retailers have this diamond
Prices start from HK$10,152 HKDSave up to HK$11,131 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$10,152 HKD