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Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6561590064

Certificate GIA 6561590064

Diamond specifications and retailer prices

From HK$25,811 HKD
As of November 1, 2026
Save HK$29,692 HKD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$55,503 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 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 6561590064. Listed at 9 retailers as of November 1, 2026, with prices from HK$25,811 to HK$55,503, a HK$29,692 spread on the same certified stone. MOH London lists it at HK$55,503. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561590064
Dimensions7.88 × 5.95 × 4.08 mm
L/W Ratio1.32
Key to symbols
Crystal, Cloud, Needle
Top View
7.88 mm5.95 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561590064
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NDepth 68.7%

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 1
Current: HK$55,503 HKD|Low: HK$25,509 HKD|High: HK$56,629 HKD|Avg: HK$35,648 HKD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$25,811 HKD
Retailer 8HK$28,748 HKD
Retailer 2HK$29,771 HKD
Retailer 6HK$30,969 HKD
Retailer 9HK$32,985 HKD
Retailer 3HK$33,063 HKD
Retailer 4HK$40,055 HKD
Retailer 5HK$49,077 HKD
MOH LondonHK$55,503 HKD

8 data points across 9 retailers

9 retailersHK$25,811 HKD to HK$55,503 HKD

A
Cheapest Retailer
-
HK$25,811 HKD
A
Retailer 2
-
HK$28,748 HKD
$3,664 USD
View
A
Retailer 3
-
HK$29,771 HKD
€3,614 EUR
View
A
Retailer 4
-
HK$30,969 HKD
$3,947 USD
View
A
Retailer 5
-
HK$32,985 HKD
SGD 5,681 SGD
View
A
Retailer 6
-
HK$33,063 HKD
£3,318 GBP
View
B+
Retailer 7
-
HK$40,055 HKD
€4,862 EUR
View
B
Retailer 8
-
HK$49,077 HKD
$6,255 USD
View
Most Expensive
B
MOH London
464636367 · Nov 2
HK$55,503 HKD
£5,570 GBP
View
8 more retailers have this diamond
Prices start from HK$25,811 HKDSave up to HK$29,692 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$25,811 HKD