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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1543643600

Certificate GIA 1543643600

Diamond specifications and retailer prices

From HK$37,291 HKD
$4,753 USD
As of October 30, 2026
Save HK$36,344 HKD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$73,634 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 E 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 1543643600. Listed at 15 retailers as of October 28, 2026, with prices from HK$37,291 to HK$73,634, a HK$36,344 spread on the same certified stone. Queensmith lists it at HK$73,634. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543643600
Dimensions7.50 × 5.83 × 4.07 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Needle, Natural
Top View
7.50 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543643600
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: Oct 30
Current: HK$73,634 HKD|Low: HK$37,291 HKD|High: HK$74,182 HKD|Avg: HK$49,193 HKD|+1.6%
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
October 30, 2026
Retailer 11HK$37,291 HKD
Retailer 4HK$39,998 HKD
Retailer 5HK$40,649 HKD
Retailer 2HK$42,150 HKD
Retailer 10HK$42,657 HKD
Retailer 6HK$43,410 HKD
Retailer 3HK$45,427 HKD
Retailer 12HK$45,427 HKD
Retailer 13HK$46,996 HKD
Retailer 9HK$49,208 HKD
Retailer 8HK$50,400 HKD
Retailer 7HK$71,412 HKD
QueensmithHK$73,634 HKD

33 data points across 13 retailers

15 retailersHK$37,291 HKD to HK$73,634 HKD

A
Cheapest Retailer
-
HK$37,291 HKD
$4,753 USD
Final sale: no returns
A
Retailer 2
-
HK$39,998 HKD
$5,098 USD
View
Retailer 3
-
HK$40,649 HKD
$5,181 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
HK$41,355 HKD
$5,271 USD
View
A
Retailer 5
-
HK$42,150 HKD
£4,230 GBP
View
A
Retailer 6
-
HK$42,657 HKD
$5,437 USD
View
A
Retailer 7
-
HK$43,410 HKD
£4,357 GBP
View
A
Retailer 8
-
HK$45,427 HKD
$5,790 USD
View
A
Retailer 9
-
HK$45,427 HKD
$5,790 USD
View
B+
Retailer 10
-
HK$46,996 HKD
$5,990 USD
View
B+
Retailer 11
-
HK$48,386 HKD
A$9,488 AUD
View
Retailer 12
-
HK$49,208 HKD
$6,272 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$50,400 HKD
€6,118 EUR
View
B
Retailer 14
-
HK$71,412 HKD
£7,167 GBP
View
Most Expensive
B
Queensmith
1543643600 · Oct 28
HK$73,634 HKD
£7,390 GBP
View
14 more retailers have this diamond
Prices start from HK$37,291 HKDSave up to HK$36,344 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$37,291 HKD