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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6561091209

Certificate GIA 6561091209

Diamond specifications and retailer prices

From HK$22,189 HKD
$2,828 USD
As of November 1, 2026
Save HK$19,244 HKD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$41,433 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 D 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 6561091209. Listed at 14 retailers as of November 1, 2026, with prices from HK$22,189 to HK$41,433, a HK$19,244 spread on the same certified stone. MOH London lists it at HK$41,433. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561091209
Dimensions5.60 × 5.47 × 3.77 mm
L/W Ratio1.02
Top View
5.60 mm5.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561091209
Side View
Table 64.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$41,433 HKD|Low: HK$20,957 HKD|High: HK$41,931 HKD|Avg: HK$26,453 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12HK$22,189 HKD
Retailer 9HK$22,204 HKD
Retailer 10HK$22,581 HKD
Retailer 4HK$22,620 HKD
Retailer 8HK$22,636 HKD
Retailer 11HK$22,864 HKD
Retailer 2HK$24,163 HKD
Retailer 6HK$25,886 HKD
Retailer 3HK$26,465 HKD
Retailer 5HK$28,991 HKD
Retailer 7HK$30,450 HKD
MOH LondonHK$41,433 HKD

36 data points across 12 retailers

14 retailersHK$22,189 HKD to HK$41,433 HKD

B+
Cheapest Retailer
-
HK$22,189 HKD
$2,828 USD
B+
Retailer 2
-
HK$22,204 HKD
$2,830 USD
View
B+
Retailer 3
-
HK$22,581 HKD
$2,878 USD
View
B+
Retailer 4
-
HK$22,620 HKD
$2,883 USD
View
B+
Retailer 5
-
HK$22,636 HKD
$2,885 USD
View
B+
Retailer 6
-
HK$22,864 HKD
$2,914 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$24,163 HKD
£2,425 GBP
View
B+
Retailer 8
-
HK$25,692 HKD
SGD 4,425 SGD
View
B+
Retailer 9
-
HK$25,886 HKD
£2,598 GBP
View
B+
Retailer 10
-
HK$25,897 HKD
$3,301 USD
View
Retailer 11
-
HK$26,465 HKD
A$5,189 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
HK$28,991 HKD
€3,519 EUR
View
B
Retailer 13
-
HK$30,450 HKD
ZAR 62,697 ZAR
View
Most Expensive
B
MOH London
D9960B846 · Nov 1
HK$41,433 HKD
£4,158 GBP
View
13 more retailers have this diamond
Prices start from HK$22,189 HKDSave up to HK$19,244 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.

B+
1.00ct Cushion
HK$22,189 HKD