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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557551279

Certificate GIA 2557551279

Diamond specifications and retailer prices

From HK$32,539 HKD
As of November 1, 2026
Save HK$40,152 HKD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$72,691 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557551279. Listed at 15 retailers as of October 28, 2026, with prices from HK$32,539 to HK$72,691, a HK$40,152 spread on the same certified stone. Queensmith lists it at HK$72,691. 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

1.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557551279
Dimensions7.54 × 5.81 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.54 mm5.81 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557551279
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 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$72,691 HKD|Low: HK$32,238 HKD|High: HK$73,190 HKD|Avg: HK$46,158 HKD|+2.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10HK$32,539 HKD
Retailer 2HK$34,716 HKD
Retailer 5HK$38,338 HKD
Retailer 3HK$40,101 HKD
Retailer 6HK$40,937 HKD
Retailer 12HK$41,427 HKD
Retailer 8HK$42,390 HKD
Retailer 11HK$43,444 HKD
Retailer 4HK$44,656 HKD
Retailer 13HK$45,656 HKD
Retailer 7HK$49,159 HKD
Retailer 9HK$69,204 HKD
QueensmithHK$72,691 HKD

24 data points across 13 retailers

15 retailersHK$32,539 HKD to HK$72,691 HKD

A
Cheapest Retailer
-
HK$32,539 HKD
A
Retailer 2
-
HK$34,716 HKD
₹421,397 INR
View
A
Retailer 3
-
HK$38,338 HKD
SGD 6,603 SGD
View
A
Retailer 4
-
HK$39,858 HKD
$5,080 USD
View
A
Retailer 5
-
HK$40,101 HKD
$5,111 USD
View
Final sale: no returns
A
Retailer 6
-
HK$40,937 HKD
£4,108 GBP
View
B+
Retailer 7
-
HK$41,427 HKD
SGD 7,135 SGD
View
A
Retailer 8
-
HK$42,390 HKD
£4,254 GBP
View
B+
Retailer 9
-
HK$43,444 HKD
$5,537 USD
View
B+
Retailer 10
-
HK$44,656 HKD
$5,692 USD
View
B+
Retailer 11
-
HK$45,656 HKD
$5,819 USD
View
B+
Retailer 12
-
HK$45,889 HKD
A$8,998 AUD
View
B+
Retailer 13
-
HK$49,159 HKD
€5,967 EUR
View
B
Retailer 14
-
HK$69,204 HKD
£6,945 GBP
View
Most Expensive
B
Queensmith
2557551279 · Oct 28
HK$72,691 HKD
£7,295 GBP
View
14 more retailers have this diamond
Prices start from HK$32,539 HKDSave up to HK$40,152 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
1.50ct Cushion
HK$32,539 HKD