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Cushion|Natural|GIA

1.54ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5546598187

Certificate GIA 5546598187

Diamond specifications and retailer prices

From HK$17,564 HKD
As of November 3, 2026
Save HK$8,318 HKD (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$25,881 HKD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

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 5546598187. Listed at 5 retailers as of November 3, 2026, with prices from HK$17,564 to HK$25,881, a HK$8,318 spread on the same certified stone. 77 Diamonds lists it at HK$25,881. 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
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5546598187
Dimensions7.52 × 5.79 × 3.96 mm
L/W Ratio1.30
Top View
7.52 mm5.79 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5546598187
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

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 3
Current: HK$25,881 HKD|Low: HK$17,564 HKD|High: HK$42,244 HKD|Avg: HK$23,777 HKD|-0.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3HK$17,564 HKD
Retailer 5HK$17,658 HKD
Retailer 4HK$18,426 HKD
Retailer 6HK$19,398 HKD
Retailer 8HK$23,301 HKD
Retailer 7HK$23,967 HKD
Retailer 2HK$25,268 HKD
77 DiamondsHK$25,881 HKD
Retailer 9HK$42,244 HKD

34 data points across 9 retailers

5 retailersHK$17,564 HKD to HK$25,881 HKD

A
Cheapest Retailer
-
HK$17,564 HKD
A
Retailer 2
-
HK$17,658 HKD
View
A
Retailer 3
-
HK$18,426 HKD
View
B+
Retailer 4
-
HK$25,268 HKD
View
Most Expensive
B+
77 Diamonds
CUSMB3BRXPXGZ · Nov 7
HK$25,881 HKD
£2,600 GBP
View
4 more retailers have this diamond
Prices start from HK$17,564 HKDSave up to HK$8,318 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$17,564 HKD