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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2546894345

Certificate GIA 2546894345

Diamond specifications and retailer prices

From HK$38,161 HKD
As of November 1, 2026
Save HK$40,206 HKD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$78,367 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546894345. Listed at 19 retailers as of October 28, 2026, with prices from HK$38,161 to HK$78,367, a HK$40,206 spread on the same certified stone. Queensmith lists it at HK$78,367. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546894345
Dimensions7.50 × 5.92 × 4.04 mm
L/W Ratio1.27
Top View
7.50 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546894345
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.3%

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$78,367 HKD|Low: HK$37,860 HKD|High: HK$79,015 HKD|Avg: HK$53,249 HKD|+1.4%
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
Retailer 14
November 2, 2026
Retailer 11HK$38,161 HKD
Retailer 7HK$40,773 HKD
Retailer 14HK$42,618 HKD
Retailer 6HK$44,978 HKD
Retailer 4HK$46,478 HKD
Retailer 8HK$47,119 HKD
Retailer 2HK$48,308 HKD
Retailer 13HK$50,362 HKD
Retailer 5HK$51,600 HKD
Retailer 3HK$52,574 HKD
Retailer 12HK$55,022 HKD
Retailer 10HK$61,874 HKD
Retailer 9HK$74,192 HKD
QueensmithHK$78,367 HKD

23 data points across 14 retailers

19 retailersHK$38,161 HKD to HK$78,367 HKD

A
Cheapest Retailer
-
HK$38,161 HKD
A
Retailer 2
-
HK$40,773 HKD
₹494,939 INR
View
A
Retailer 3
-
HK$42,618 HKD
$5,432 USD
View
Retailer 4
-
HK$43,828 HKD
SGD 7,549 SGD
View
Price last confirmed 19 days ago
A
Retailer 5
-
HK$44,978 HKD
SGD 7,747 SGD
View
A
Retailer 6
-
HK$46,478 HKD
$5,924 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$46,768 HKD
$5,961 USD
View
B+
Retailer 8
-
HK$46,800 HKD
$5,965 USD
View
A
Retailer 9
-
HK$47,119 HKD
£4,729 GBP
View
A
Retailer 10
-
HK$48,308 HKD
£4,848 GBP
View
Retailer 11
-
HK$49,973 HKD
A$9,799 AUD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
HK$50,362 HKD
$6,419 USD
View
B+
Retailer 13
-
HK$51,600 HKD
$6,577 USD
View
B+
Retailer 14
-
HK$52,574 HKD
$6,701 USD
View
B+
Retailer 15
-
HK$52,619 HKD
A$10,318 AUD
View
B+
Retailer 16
-
HK$55,022 HKD
€6,679 EUR
View
B+
Retailer 17
-
HK$61,874 HKD
ZAR 127,404 ZAR
View
B
Retailer 18
-
HK$74,192 HKD
£7,446 GBP
View
Most Expensive
B
Queensmith
2546894345 · Oct 28
HK$78,367 HKD
£7,865 GBP
View
18 more retailers have this diamond
Prices start from HK$38,161 HKDSave up to HK$40,206 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$38,161 HKD