Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1553328108

Certificate GIA 1553328108

Diamond specifications and retailer prices

From HK$32,638 HKD
As of October 29, 2026
Save HK$40,498 HKD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$73,136 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 1553328108. Listed at 16 retailers as of October 28, 2026, with prices from HK$32,638 to HK$73,136, a HK$40,498 spread on the same certified stone. Queensmith lists it at HK$73,136. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553328108
Dimensions7.60 × 5.83 × 4.10 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Indented Natural, Needle
Top View
7.60 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553328108
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.3%

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: Oct 29
Current: HK$73,136 HKD|Low: HK$32,638 HKD|High: HK$73,634 HKD|Avg: HK$46,249 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
Retailer 14
October 29, 2026
Retailer 13HK$32,638 HKD
Retailer 10HK$35,304 HKD
Retailer 3HK$38,726 HKD
Retailer 6HK$38,818 HKD
Retailer 14HK$40,586 HKD
Retailer 7HK$41,672 HKD
Retailer 12HK$41,930 HKD
Retailer 2HK$42,765 HKD
Retailer 4HK$43,857 HKD
Retailer 11HK$43,967 HKD
Retailer 5HK$45,181 HKD
Retailer 9HK$49,683 HKD
Retailer 8HK$70,406 HKD
QueensmithHK$73,136 HKD

24 data points across 14 retailers

16 retailersHK$32,638 HKD to HK$73,136 HKD

A
Cheapest Retailer
-
HK$32,638 HKD
A
Retailer 2
-
HK$35,304 HKD
₹428,546 INR
View
A
Retailer 3
-
HK$38,726 HKD
$4,936 USD
View
A
Retailer 4
-
HK$38,818 HKD
SGD 6,686 SGD
View
A
Retailer 5
-
HK$40,358 HKD
$5,144 USD
View
A
Retailer 6
-
HK$40,586 HKD
$5,173 USD
View
Final sale: no returns
A
Retailer 7
-
HK$41,672 HKD
£4,182 GBP
View
A
Retailer 8
-
HK$41,930 HKD
SGD 7,222 SGD
View
A
Retailer 9
-
HK$42,765 HKD
£4,292 GBP
View
A
Retailer 10
-
HK$43,857 HKD
$5,590 USD
View
A
Retailer 11
-
HK$43,967 HKD
$5,604 USD
View
A
Retailer 12
-
HK$44,306 HKD
A$8,688 AUD
View
A
Retailer 13
-
HK$45,181 HKD
$5,759 USD
View
B+
Retailer 14
-
HK$49,683 HKD
€6,031 EUR
View
B+
Retailer 15
-
HK$70,406 HKD
£7,066 GBP
View
Most Expensive
B
Queensmith
1553328108 · Oct 28
HK$73,136 HKD
£7,340 GBP
View
15 more retailers have this diamond
Prices start from HK$32,638 HKDSave up to HK$40,498 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$32,638 HKD