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Cushion|Natural|HRD

1.00ct M SI1 Cushion Natural Diamond

ID • M/SI1 • HRD 250000266981

Certificate HRD 250000266981

Diamond specifications and retailer prices

From HK$13,159 HKD
As of November 5, 2026
Save HK$6,270 HKD (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$19,429 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000266981. Listed at 3 retailers as of November 5, 2026, with prices from HK$13,159 to HK$19,429, a HK$6,270 spread on the same certified stone. Yorxs lists it at HK$19,429. 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
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000266981
Dimensions5.53 × 5.48 × 3.56 mm
L/W Ratio1.01
Top View
5.53 mm5.48 mm1.00 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000266981
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 65.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: HK$13,159 HKD|Low: HK$13,159 HKD|High: HK$19,693 HKD|Avg: HK$16,005 HKD|-12.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1HK$13,159 HKD
Retailer 3HK$15,463 HKD
Retailer 2HK$15,518 HKD
YorxsHK$19,429 HKD

19 data points across 4 retailers

3 retailersHK$13,159 HKD to HK$19,429 HKD

B
Cheapest Retailer
-
HK$13,159 HKD
Retailer 2
-
HK$15,518 HKD
View
Price last confirmed 12 days ago
Most Expensive
C
Yorxs
C153D0E41 · Nov 6
HK$19,429 HKD
€2,361 EUR
View
2 more retailers have this diamond
Prices start from HK$13,159 HKDSave up to HK$6,270 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$13,159 HKD