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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1226075838

Certificate GIA 1226075838

Diamond specifications and retailer prices

From HK$19,507 HKD
As of November 4, 2026
Save HK$22,915 HKD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$42,422 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1226075838. Listed at 19 retailers as of November 4, 2026, with prices from HK$19,507 to HK$42,422, a HK$22,915 spread on the same certified stone. MOH London lists it at HK$42,422. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1226075838
Dimensions5.93 × 5.72 × 3.84 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.93 mm5.72 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1226075838
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.1%

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 4
Current: HK$42,422 HKD|Low: HK$19,931 HKD|High: HK$43,049 HKD|Avg: HK$25,982 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$19,931 HKD
Retailer 5HK$20,064 HKD
Retailer 9HK$21,639 HKD
Retailer 6HK$23,042 HKD
Retailer 7HK$24,876 HKD
Retailer 4HK$26,153 HKD
Retailer 3HK$27,909 HKD
Retailer 2HK$30,017 HKD
MOH LondonHK$42,422 HKD

43 data points across 9 retailers

19 retailersHK$19,507 HKD to HK$42,422 HKD

B+
Cheapest Retailer
-
HK$19,507 HKD
B
Retailer 2
-
HK$19,931 HKD
View
B+
Retailer 3
-
HK$20,064 HKD
View
B
Retailer 4
-
HK$20,377 HKD
View
B
Retailer 5
-
HK$20,628 HKD
View
B+
Retailer 6
-
HK$21,286 HKD
View
B
Retailer 7
-
HK$21,639 HKD
View
Retailer 8
-
HK$23,042 HKD
View
Price last confirmed 9 days ago
B
Retailer 9
-
HK$23,528 HKD
View
B
Retailer 10
-
HK$24,876 HKD
View
B
Retailer 11
-
HK$25,017 HKD
View
B
Retailer 12
-
HK$26,153 HKD
View
B
Retailer 13
-
HK$26,255 HKD
View
B
Retailer 14
-
HK$26,255 HKD
View
B
Retailer 15
-
HK$27,117 HKD
View
B
Retailer 16
-
HK$27,909 HKD
View
Retailer 17
-
HK$29,508 HKD
View
Price last confirmed 15 days ago
Retailer 18
-
HK$30,017 HKD
View
Most Expensive
B
MOH London
8A63291A6 · Nov 4
HK$42,422 HKD
£4,262 GBP
View
18 more retailers have this diamond
Prices start from HK$19,507 HKDSave up to HK$22,915 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$19,507 HKD