Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2557536295

Certificate GIA 2557536295

Diamond specifications and retailer prices

From HK$25,050 HKD
A$4,912 AUD
As of November 2, 2026
Save HK$25,052 HKD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$50,102 HKD at MOH London · As of October 29, 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 I 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 2557536295. Listed at 6 retailers as of October 29, 2026, with prices from HK$25,050 to HK$50,102, a HK$25,052 spread on the same certified stone. MOH London lists it at HK$50,102. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557536295
Dimensions7.58 × 5.76 × 3.97 mm
L/W Ratio1.32
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.58 mm5.76 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557536295
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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 2
Current: HK$50,102 HKD|Low: HK$24,064 HKD|High: HK$56,310 HKD|Avg: HK$35,208 HKD|-11.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5HK$27,508 HKD
Retailer 4HK$28,246 HKD
Retailer 2HK$28,275 HKD
Retailer 3HK$34,881 HKD
MOH LondonHK$50,102 HKD

41 data points across 5 retailers

6 retailersHK$25,050 HKD to HK$50,102 HKD

A
Cheapest Retailer
-
HK$25,050 HKD
A$4,912 AUD
A
Retailer 2
-
HK$27,508 HKD
$3,506 USD
View
Final sale: no returns
A
Retailer 3
-
HK$28,246 HKD
$3,600 USD
View
A
Retailer 4
-
HK$28,275 HKD
£2,838 GBP
View
A
Retailer 5
-
HK$34,881 HKD
€4,234 EUR
View
Most Expensive
B
MOH London
0D2FFEE6F · Oct 29
HK$50,102 HKD
£5,028 GBP
View
5 more retailers have this diamond
Prices start from HK$25,050 HKDSave up to HK$25,052 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$25,050 HKD