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Cushion|Natural|GIA

1.00ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2567405496

Certificate GIA 2567405496

Diamond specifications and retailer prices

From HK$8,605 HKD
₹104,458 INR
As of November 1, 2026
Save HK$11,462 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$20,068 HKD at MOH London · As of November 1, 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 2567405496. Listed at 12 retailers as of November 1, 2026, with prices from HK$8,605 to HK$20,068, a HK$11,462 spread on the same certified stone. MOH London lists it at HK$20,068. 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
Crown angle40.29°
Pavilion angle34.71°
OriginNatural
Grading LabGIA
CertificateGIA 2567405496
Dimensions5.63 × 5.58 × 3.79 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.63 mm5.58 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567405496
Side View
Table 62.0%Crown 40.29°Girdle: MED-THKPavilion 34.71°Culet: NoneDepth 68.0%

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$20,068 HKD|Low: HK$8,605 HKD|High: HK$20,785 HKD|Avg: HK$13,005 HKD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4HK$8,605 HKD
Retailer 5HK$10,615 HKD
Retailer 3HK$10,906 HKD
Retailer 7HK$11,174 HKD
Retailer 2HK$11,565 HKD
Retailer 11HK$12,318 HKD
Retailer 6HK$12,519 HKD
Retailer 8HK$12,775 HKD
Retailer 10HK$14,138 HKD
Retailer 9HK$16,130 HKD
MOH LondonHK$20,068 HKD

25 data points across 11 retailers

12 retailersHK$8,605 HKD to HK$20,068 HKD

A
Cheapest Retailer
-
HK$8,605 HKD
₹104,458 INR
A
Retailer 2
-
HK$10,615 HKD
$1,353 USD
View
A
Retailer 3
-
HK$10,906 HKD
$1,390 USD
View
A
Retailer 4
-
HK$11,174 HKD
£1,121 GBP
View
A
Retailer 5
-
HK$11,565 HKD
$1,474 USD
View
A
Retailer 6
-
HK$12,318 HKD
$1,570 USD
View
A
Retailer 7
-
HK$12,519 HKD
$1,596 USD
View
A
Retailer 8
-
HK$12,775 HKD
£1,282 GBP
View
A
Retailer 9
-
HK$14,138 HKD
ZAR 29,112 ZAR
View
Retailer 10
-
HK$15,337 HKD
A$3,007 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
HK$16,130 HKD
€1,958 EUR
View
Most Expensive
B
MOH London
A40121B8E · Nov 1
HK$20,068 HKD
£2,014 GBP
View
11 more retailers have this diamond
Prices start from HK$8,605 HKDSave up to HK$11,462 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$8,605 HKD