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Cushion|Natural|GIA

1.01ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 5241007259

Certificate GIA 5241007259

Diamond specifications and retailer prices

From HK$9,530 HKD
As of November 6, 2026
Save HK$12,457 HKD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$21,987 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-carat band, graded J 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 5241007259. Listed at 22 retailers as of November 4, 2026, with prices from HK$9,530 to HK$21,987, a HK$12,457 spread on the same certified stone. MOH London lists it at HK$21,987. 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

1.01
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241007259
Dimensions6.93 × 5.32 × 3.55 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
6.93 mm5.32 mm1.01 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241007259
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.7%

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$21,987 HKD|Low: HK$9,421 HKD|High: HK$23,052 HKD|Avg: HK$13,593 HKD|-4.6%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 6HK$9,530 HKD
Retailer 10HK$9,554 HKD
Retailer 12HK$10,126 HKD
Retailer 9HK$10,518 HKD
Retailer 17HK$10,596 HKD
Retailer 16HK$11,153 HKD
Retailer 4HK$11,521 HKD
Retailer 3HK$11,662 HKD
Retailer 11HK$11,795 HKD
Retailer 20HK$12,148 HKD
Retailer 2HK$12,203 HKD
Retailer 14HK$12,516 HKD
Retailer 8HK$12,665 HKD
Retailer 19HK$12,822 HKD
Retailer 5HK$13,786 HKD
Retailer 15HK$15,353 HKD
Retailer 13HK$17,086 HKD
Retailer 18HK$19,311 HKD
Retailer 7HK$19,829 HKD
MOH LondonHK$21,987 HKD

22 data points across 20 retailers

22 retailersHK$9,530 HKD to HK$21,987 HKD

A
Cheapest Retailer
-
HK$9,530 HKD
A
Retailer 2
-
HK$9,554 HKD
View
A
Retailer 3
-
HK$10,518 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$10,596 HKD
View
A
Retailer 5
-
HK$11,153 HKD
View
A
Retailer 6
-
HK$11,521 HKD
View
B+
Retailer 7
-
HK$11,662 HKD
View
B+
Retailer 8
-
HK$11,795 HKD
View
B+
Retailer 9
-
HK$12,148 HKD
View
B+
Retailer 10
-
HK$12,203 HKD
View
B+
Retailer 11
-
HK$12,516 HKD
View
B+
Retailer 12
-
HK$12,665 HKD
View
Retailer 13
-
HK$12,697 HKD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
HK$12,822 HKD
View
B+
Retailer 15
-
HK$13,535 HKD
View
B+
Retailer 16
-
HK$13,786 HKD
View
B+
Retailer 17
-
HK$15,353 HKD
View
Retailer 18
-
HK$16,639 HKD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
HK$17,086 HKD
View
B
Retailer 20
-
HK$19,311 HKD
View
B
Retailer 21
-
HK$19,829 HKD
View
Most Expensive
B
MOH London
A426CEF9A · Nov 4
HK$21,987 HKD
£2,209 GBP
View
21 more retailers have this diamond
Prices start from HK$9,530 HKDSave up to HK$12,457 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
1.01ct Cushion
HK$9,530 HKD