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Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 3545886515

Certificate GIA 3545886515

Diamond specifications and retailer prices

From HK$7,116 HKD
As of November 6, 2026
Save HK$9,735 HKD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$16,851 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545886515. Listed at 20 retailers as of November 4, 2026, with prices from HK$7,116 to HK$16,851, a HK$9,735 spread on the same certified stone. MOH London lists it at HK$16,851. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 3545886515
Dimensions5.86 × 5.61 × 3.76 mm
L/W Ratio1.04
Top View
5.86 mm5.61 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545886515
Side View
Table 63.0%CrownGirdle: THK-ETKPavilion 38.5°Culet: NoneDepth 67.0%

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 6
Current: HK$16,851 HKD|Low: HK$7,116 HKD|High: HK$17,419 HKD|Avg: HK$10,583 HKD|-2.8%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15HK$7,116 HKD
Retailer 7HK$8,410 HKD
Retailer 18HK$8,511 HKD
Retailer 10HK$8,778 HKD
Retailer 8HK$8,833 HKD
Retailer 17HK$9,366 HKD
Retailer 3HK$9,671 HKD
Retailer 11HK$9,852 HKD
Retailer 9HK$9,946 HKD
Retailer 16HK$10,228 HKD
Retailer 12HK$10,353 HKD
Retailer 14HK$10,839 HKD
Retailer 5HK$10,965 HKD
Retailer 13HK$11,255 HKD
Retailer 2HK$12,838 HKD
Retailer 6HK$12,900 HKD
Retailer 4HK$15,173 HKD
MOH LondonHK$16,851 HKD

23 data points across 18 retailers

20 retailersHK$7,116 HKD to HK$16,851 HKD

A
Cheapest Retailer
-
HK$7,116 HKD
Retailer 2
-
HK$8,410 HKD
View
Price last confirmed 9 days ago
A
Retailer 3
-
HK$8,511 HKD
View
Final sale: no returns
Retailer 4
-
HK$8,778 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$8,833 HKD
View
Price last confirmed 10 days ago
A
Retailer 6
-
HK$9,366 HKD
View
A
Retailer 7
-
HK$9,671 HKD
View
A
Retailer 8
-
HK$9,852 HKD
View
Retailer 9
-
HK$9,946 HKD
View
Price last confirmed 9 days ago
A
Retailer 10
-
HK$10,228 HKD
View
A
Retailer 11
-
HK$10,353 HKD
View
B+
Retailer 12
-
HK$10,839 HKD
View
Price last confirmed 3 days ago
A
Retailer 13
-
HK$10,965 HKD
View
A
Retailer 14
-
HK$11,255 HKD
View
A
Retailer 15
-
HK$12,211 HKD
View
Retailer 16
-
HK$12,806 HKD
View
Price last confirmed 34 days ago
A
Retailer 17
-
HK$12,838 HKD
View
Retailer 18
-
HK$12,900 HKD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
HK$15,173 HKD
View
Most Expensive
B+
MOH London
12F93DD09 · Nov 4
HK$16,851 HKD
£1,693 GBP
View
19 more retailers have this diamond
Prices start from HK$7,116 HKDSave up to HK$9,735 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$7,116 HKD