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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6555361215

Certificate GIA 6555361215

Diamond specifications and retailer prices

From HK$28,621 HKD
As of October 30, 2026
Save HK$40,081 HKD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$68,702 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 6555361215. Listed at 15 retailers as of October 28, 2026, with prices from HK$28,621 to HK$68,702, a HK$40,081 spread on the same certified stone. Queensmith lists it at HK$68,702. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555361215
Dimensions7.84 × 5.84 × 4.07 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.84 mm5.84 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555361215
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.7%

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: Oct 30
Current: HK$68,702 HKD|Low: HK$28,621 HKD|High: HK$69,150 HKD|Avg: HK$42,437 HKD|+2.2%
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 12HK$28,621 HKD
Retailer 2HK$31,078 HKD
Retailer 5HK$34,022 HKD
Retailer 3HK$35,572 HKD
Retailer 6HK$36,421 HKD
Retailer 11HK$36,722 HKD
Retailer 7HK$38,319 HKD
Retailer 10HK$38,538 HKD
Retailer 4HK$39,723 HKD
Retailer 13HK$40,719 HKD
Retailer 9HK$43,546 HKD
Retailer 8HK$61,707 HKD
QueensmithHK$68,702 HKD

24 data points across 13 retailers

15 retailersHK$28,621 HKD to HK$68,702 HKD

A
Cheapest Retailer
-
HK$28,621 HKD
A
Retailer 2
-
HK$31,078 HKD
₹377,248 INR
View
A
Retailer 3
-
HK$34,022 HKD
SGD 5,860 SGD
View
A
Retailer 4
-
HK$35,376 HKD
$4,509 USD
View
A
Retailer 5
-
HK$35,572 HKD
$4,534 USD
View
Final sale: no returns
A
Retailer 6
-
HK$36,421 HKD
£3,655 GBP
View
A
Retailer 7
-
HK$36,722 HKD
SGD 6,325 SGD
View
A
Retailer 8
-
HK$38,319 HKD
£3,846 GBP
View
A
Retailer 9
-
HK$38,340 HKD
A$7,518 AUD
View
A
Retailer 10
-
HK$38,538 HKD
$4,912 USD
View
A
Retailer 11
-
HK$39,723 HKD
$5,063 USD
View
A
Retailer 12
-
HK$40,719 HKD
$5,190 USD
View
A
Retailer 13
-
HK$43,546 HKD
€5,286 EUR
View
B+
Retailer 14
-
HK$61,707 HKD
£6,193 GBP
View
Most Expensive
B
Queensmith
6555361215 · Oct 28
HK$68,702 HKD
£6,895 GBP
View
14 more retailers have this diamond
Prices start from HK$28,621 HKDSave up to HK$40,081 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$28,621 HKD