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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6555192200

Certificate GIA 6555192200

Diamond specifications and retailer prices

From HK$25,409 HKD
As of November 1, 2026
Save HK$39,211 HKD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$64,620 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 6555192200. Listed at 15 retailers as of October 28, 2026, with prices from HK$25,409 to HK$64,620, a HK$39,211 spread on the same certified stone. Queensmith lists it at HK$64,620. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555192200
Dimensions7.29 × 5.59 × 3.91 mm
L/W Ratio1.30
Top View
7.29 mm5.59 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555192200
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.9%

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$64,620 HKD|Low: HK$25,208 HKD|High: HK$65,068 HKD|Avg: HK$36,714 HKD|+2.3%
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 3, 2026
Retailer 10HK$25,409 HKD
Retailer 6HK$27,099 HKD
Retailer 5HK$29,669 HKD
Retailer 3HK$31,016 HKD
Retailer 7HK$31,667 HKD
Retailer 13HK$31,992 HKD
Retailer 11HK$33,605 HKD
Retailer 2HK$34,382 HKD
Retailer 4HK$34,773 HKD
Retailer 12HK$35,723 HKD
Retailer 8HK$38,020 HKD
Retailer 9HK$56,210 HKD
QueensmithHK$64,620 HKD

25 data points across 13 retailers

15 retailersHK$25,409 HKD to HK$64,620 HKD

A
Cheapest Retailer
-
HK$25,409 HKD
A
Retailer 2
-
HK$27,099 HKD
₹328,935 INR
View
A
Retailer 3
-
HK$29,669 HKD
SGD 5,110 SGD
View
A
Retailer 4
-
HK$30,843 HKD
$3,931 USD
View
A
Retailer 5
-
HK$31,016 HKD
$3,953 USD
View
Final sale: no returns
A
Retailer 6
-
HK$31,667 HKD
£3,178 GBP
View
A
Retailer 7
-
HK$31,992 HKD
SGD 5,510 SGD
View
A
Retailer 8
-
HK$33,605 HKD
$4,283 USD
View
A
Retailer 9
-
HK$34,382 HKD
£3,450 GBP
View
A
Retailer 10
-
HK$34,773 HKD
$4,432 USD
View
A
Retailer 11
-
HK$35,639 HKD
A$6,988 AUD
View
A
Retailer 12
-
HK$35,723 HKD
$4,553 USD
View
A
Retailer 13
-
HK$38,020 HKD
€4,615 EUR
View
B
Retailer 14
-
HK$56,210 HKD
£5,641 GBP
View
Most Expensive
B
Queensmith
6555192200 · Oct 28
HK$64,620 HKD
£6,485 GBP
View
14 more retailers have this diamond
Prices start from HK$25,409 HKDSave up to HK$39,211 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$25,409 HKD