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Cushion|Natural|GIA

1.54ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542639501

Certificate GIA 6542639501

Diamond specifications and retailer prices

From HK$13,441 HKD
As of November 6, 2026
Save HK$20,948 HKD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$34,389 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two carat band, graded K 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 6542639501. Listed at 17 retailers as of November 2, 2026, with prices from HK$13,441 to HK$34,389, a HK$20,948 spread on the same certified stone. MOH London lists it at HK$34,389. 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

1.54
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6542639501
Dimensions7.19 × 6.23 × 4.35 mm
L/W Ratio1.15
Top View
7.19 mm6.23 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542639501
Side View
Table 66.0%CrownGirdle: STK-VTKPavilion 39°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$34,389 HKD|Low: HK$13,441 HKD|High: HK$36,987 HKD|Avg: HK$22,817 HKD|-7.0%
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
November 6, 2026
Retailer 10HK$13,441 HKD
Retailer 2HK$16,129 HKD
Retailer 11HK$16,944 HKD
Retailer 14HK$18,653 HKD
Retailer 13HK$18,849 HKD
Retailer 15HK$18,982 HKD
Retailer 4HK$19,037 HKD
Retailer 5HK$19,554 HKD
Retailer 9HK$21,396 HKD
Retailer 12HK$21,694 HKD
Retailer 7HK$21,725 HKD
Retailer 6HK$22,791 HKD
Retailer 3HK$23,951 HKD
Retailer 8HK$28,991 HKD
MOH LondonHK$34,389 HKD

23 data points across 15 retailers

17 retailersHK$13,441 HKD to HK$34,389 HKD

A
Cheapest Retailer
-
HK$13,441 HKD
A
Retailer 2
-
HK$16,129 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$16,944 HKD
View
A
Retailer 4
-
HK$18,653 HKD
View
A
Retailer 5
-
HK$18,849 HKD
View
A
Retailer 6
-
HK$18,982 HKD
View
A
Retailer 7
-
HK$19,037 HKD
View
A
Retailer 8
-
HK$19,554 HKD
View
A
Retailer 9
-
HK$21,396 HKD
View
A
Retailer 10
-
HK$21,694 HKD
View
A
Retailer 11
-
HK$21,725 HKD
View
A
Retailer 12
-
HK$21,725 HKD
View
B+
Retailer 13
-
HK$22,760 HKD
View
Retailer 14
-
HK$22,791 HKD
View
Price last confirmed 18 days ago
A
Retailer 15
-
HK$23,951 HKD
View
B+
Retailer 16
-
HK$28,991 HKD
View
Most Expensive
B+
MOH London
09CFFAEBB · Nov 2
HK$34,389 HKD
£3,455 GBP
View
16 more retailers have this diamond
Prices start from HK$13,441 HKDSave up to HK$20,948 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
1.54ct Cushion
HK$13,441 HKD