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Cushion|Natural|GIA

1.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7451873531

Certificate GIA 7451873531

Diamond specifications and retailer prices

From HK$8,938 HKD
As of November 1, 2026
Save HK$12,236 HKD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$21,175 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 F 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 7451873531. Listed at 18 retailers as of November 1, 2026, with prices from HK$8,938 to HK$21,175, a HK$12,236 spread on the same certified stone. MOH London lists it at HK$21,175. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7451873531
Dimensions5.66 × 4.93 × 3.88 mm
L/W Ratio1.15
Top View
5.66 mm4.93 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7451873531
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 78.8%

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: Nov 1
Current: HK$21,175 HKD|Low: HK$10,123 HKD|High: HK$21,434 HKD|Avg: HK$13,932 HKD|-0.9%
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 2HK$10,144 HKD
Retailer 3HK$11,149 HKD
Retailer 12HK$11,220 HKD
Retailer 11HK$11,338 HKD
Retailer 5HK$11,789 HKD
Retailer 9HK$12,083 HKD
Retailer 10HK$13,197 HKD
Retailer 6HK$13,486 HKD
Retailer 8HK$14,752 HKD
Retailer 4HK$15,771 HKD
Retailer 7HK$16,510 HKD
MOH LondonHK$21,175 HKD

32 data points across 12 retailers

18 retailersHK$8,938 HKD to HK$21,175 HKD

A
Cheapest Retailer
-
HK$8,938 HKD
A
Retailer 2
-
HK$10,144 HKD
₹123,125 INR
View
A
Retailer 3
-
HK$11,149 HKD
$1,421 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,204 HKD
$1,428 USD
View
A
Retailer 5
-
HK$11,220 HKD
$1,430 USD
View
Retailer 6
-
HK$11,338 HKD
$1,445 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$11,672 HKD
A$2,289 AUD
View
A
Retailer 8
-
HK$11,789 HKD
£1,183 GBP
View
A
Retailer 9
-
HK$12,083 HKD
$1,540 USD
View
A
Retailer 10
-
HK$12,472 HKD
SGD 2,148 SGD
View
A
Retailer 11
-
HK$13,153 HKD
$1,676 USD
View
A
Retailer 12
-
HK$13,197 HKD
$1,682 USD
View
A
Retailer 13
-
HK$13,486 HKD
£1,353 GBP
View
A
Retailer 14
-
HK$14,752 HKD
ZAR 30,375 ZAR
View
Retailer 15
-
HK$15,771 HKD
A$3,092 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
HK$16,510 HKD
€2,004 EUR
View
B+
Retailer 17
-
HK$18,595 HKD
$2,370 USD
View
Most Expensive
B+
MOH London
9DFF2F2D9 · Nov 1
HK$21,175 HKD
£2,125 GBP
View
17 more retailers have this diamond
Prices start from HK$8,938 HKDSave up to HK$12,236 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$8,938 HKD