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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5556749718

Certificate GIA 5556749718

Diamond specifications and retailer prices

From HK$10,411 HKD
$1,327 USD
As of October 30, 2026
Save HK$12,895 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$23,306 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556749718. Listed at 11 retailers as of October 29, 2026, with prices from HK$10,411 to HK$23,306, a HK$12,895 spread on the same certified stone. MOH London lists it at HK$23,306. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556749718
Dimensions6.57 × 5.26 × 3.57 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.57 mm5.26 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556749718
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

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 30
Current: HK$23,306 HKD|Low: HK$10,027 HKD|High: HK$24,810 HKD|Avg: HK$15,124 HKD|-5.1%
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
October 29, 2026
Retailer 8HK$10,411 HKD
Retailer 12HK$10,833 HKD
Retailer 2HK$11,612 HKD
Retailer 3HK$12,749 HKD
Retailer 4HK$12,781 HKD
Retailer 9HK$13,769 HKD
Retailer 14HK$13,997 HKD
Retailer 5HK$14,201 HKD
Retailer 7HK$15,070 HKD
Retailer 10HK$15,276 HKD
Retailer 6HK$15,691 HKD
Retailer 15HK$17,115 HKD
Retailer 13HK$18,261 HKD
Retailer 11HK$19,038 HKD
MOH LondonHK$23,306 HKD

37 data points across 15 retailers

11 retailersHK$10,411 HKD to HK$23,306 HKD

A
Cheapest Retailer
-
HK$10,411 HKD
$1,327 USD
Final sale: no returns
A
Retailer 2
-
HK$11,612 HKD
$1,480 USD
View
Retailer 3
-
HK$12,749 HKD
$1,625 USD
View
Price last confirmed 25 days ago
Retailer 4
-
HK$12,781 HKD
$1,629 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
HK$13,769 HKD
$1,755 USD
View
Retailer 6
-
HK$13,997 HKD
$1,784 USD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$15,070 HKD
$1,921 USD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$15,691 HKD
$2,000 USD
View
Price last confirmed 22 days ago
Retailer 9
-
HK$17,115 HKD
ZAR 35,242 ZAR
View
Price last confirmed 26 days ago
Retailer 10
-
HK$18,261 HKD
A$3,581 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
FAAA90EC6 · Oct 29
HK$23,306 HKD
£2,339 GBP
View
10 more retailers have this diamond
Prices start from HK$10,411 HKDSave up to HK$12,895 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$10,411 HKD