Cushion|Natural|GIA

1.00ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1543349712

Certificate GIA 1543349712

Diamond specifications and retailer prices

From HK$12,020 HKD
$1,532 USD
As of October 26, 2026
Save HK$13,090 HKD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$25,109 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic 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 1543349712. Listed at 17 retailers as of October 26, 2026, with prices from HK$12,020 to HK$25,109, a HK$13,090 spread on the same certified stone. MOH London lists it at HK$25,109. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543349712
Dimensions6.11 × 5.27 × 3.65 mm
L/W Ratio1.16
Culet sizeNone
Top View
6.11 mm5.27 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543349712
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 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: Oct 26
Current: HK$25,109 HKD|Low: HK$9,909 HKD|High: HK$25,378 HKD|Avg: HK$15,147 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 27, 2026
Retailer 10HK$9,909 HKD
Retailer 11HK$11,979 HKD
Retailer 8HK$12,020 HKD
Retailer 17HK$12,161 HKD
Retailer 7HK$12,616 HKD
Retailer 15HK$12,969 HKD
Retailer 6HK$13,189 HKD
Retailer 9HK$13,546 HKD
Retailer 19HK$14,132 HKD
Retailer 5HK$14,373 HKD
Retailer 4HK$15,221 HKD
Retailer 18HK$15,221 HKD
Retailer 20HK$15,684 HKD
Retailer 3HK$15,770 HKD
Retailer 2HK$15,950 HKD
Retailer 12HK$17,399 HKD
Retailer 14HK$17,430 HKD
Retailer 16HK$18,679 HKD
Retailer 13HK$19,450 HKD
MOH LondonHK$25,109 HKD

33 data points across 20 retailers

17 retailersHK$12,020 HKD to HK$25,109 HKD

A
Cheapest Retailer
-
HK$12,020 HKD
$1,532 USD
Retailer 2
-
HK$12,161 HKD
$1,550 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$12,616 HKD
$1,608 USD
View
Retailer 4
-
HK$12,969 HKD
$1,653 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$13,189 HKD
$1,681 USD
View
Retailer 6
-
HK$13,546 HKD
$1,727 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$14,132 HKD
£1,418 GBP
View
Price last confirmed 33 days ago
Retailer 8
-
HK$14,373 HKD
$1,832 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$15,221 HKD
$1,940 USD
View
B+
Retailer 10
-
HK$15,221 HKD
$1,940 USD
View
Retailer 11
-
HK$15,684 HKD
$1,999 USD
View
Price last confirmed 11 days ago
Retailer 12
-
HK$15,770 HKD
$2,010 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
HK$15,950 HKD
£1,601 GBP
View
B+
Retailer 14
-
HK$17,430 HKD
ZAR 35,890 ZAR
View
Retailer 15
-
HK$18,679 HKD
A$3,663 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
HK$19,450 HKD
€2,361 EUR
View
Most Expensive
B
MOH London
0B288978A · Oct 26
HK$25,109 HKD
£2,520 GBP
View
16 more retailers have this diamond
Prices start from HK$12,020 HKDSave up to HK$13,090 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
1.00ct Cushion
HK$12,020 HKD