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Cushion|Natural|GIA

1.00ct M SI1 Cushion Natural Diamond

ID • M/SI1 • GIA 7451780590

Certificate GIA 7451780590

Diamond specifications and retailer prices

From HK$5,713 HKD
As of November 6, 2026
Save HK$4,236 HKD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$9,949 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 GIA 7451780590. Listed at 9 retailers as of November 6, 2026, with prices from HK$5,713 to HK$9,949, a HK$4,236 spread on the same certified stone. Yorxs lists it at HK$9,949. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7451780590
Dimensions6.01 × 5.22 × 3.65 mm
L/W Ratio1.15
Top View
6.01 mm5.22 mm1.00 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7451780590
Side View
Table 64.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 69.9%

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$5,721 HKD|Low: HK$5,713 HKD|High: HK$10,426 HKD|Avg: HK$8,144 HKD|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 7HK$5,713 HKD
Retailer 1HK$5,721 HKD
Retailer 6HK$7,524 HKD
Retailer 4HK$7,688 HKD
Retailer 8HK$8,527 HKD
Retailer 3HK$8,731 HKD
Retailer 5HK$8,856 HKD
Retailer 2HK$9,381 HKD
YorxsHK$9,949 HKD

45 data points across 9 retailers

9 retailersHK$5,713 HKD to HK$9,949 HKD

A
Cheapest Retailer
-
HK$5,713 HKD
A
Retailer 2
-
HK$5,721 HKD
View
B+
Retailer 3
-
HK$7,524 HKD
View
Retailer 4
-
HK$7,688 HKD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
HK$8,527 HKD
View
B+
Retailer 6
-
HK$8,731 HKD
View
B+
Retailer 7
-
HK$8,856 HKD
View
B+
Retailer 8
-
HK$9,381 HKD
View
Most Expensive
B+
Yorxs
622685051 · Nov 6
HK$9,949 HKD
€1,209 EUR
View
8 more retailers have this diamond
Prices start from HK$5,713 HKDSave up to HK$4,236 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$5,713 HKD