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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6541643501

Certificate GIA 6541643501

Diamond specifications and retailer prices

From HK$36,858 HKD
As of November 2, 2026
Save HK$40,367 HKD (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$77,225 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541643501. Listed at 21 retailers as of October 28, 2026, with prices from HK$36,858 to HK$77,225, a HK$40,367 spread on the same certified stone. Queensmith lists it at HK$77,225. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541643501
Dimensions7.86 × 5.86 × 3.95 mm
L/W Ratio1.34
Top View
7.86 mm5.86 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541643501
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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 2
Current: HK$77,225 HKD|Low: HK$36,757 HKD|High: HK$77,524 HKD|Avg: HK$50,713 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
Retailer 14
November 2, 2026
Retailer 7HK$36,858 HKD
Retailer 2HK$39,174 HKD
Retailer 4HK$41,161 HKD
Retailer 11HK$44,911 HKD
Retailer 6HK$45,276 HKD
Retailer 8HK$45,848 HKD
Retailer 12HK$46,681 HKD
Retailer 5HK$46,684 HKD
Retailer 3HK$48,920 HKD
Retailer 10HK$49,891 HKD
Retailer 9HK$53,154 HKD
Retailer 14HK$60,110 HKD
Retailer 13HK$72,074 HKD
QueensmithHK$77,225 HKD

23 data points across 14 retailers

21 retailersHK$36,858 HKD to HK$77,225 HKD

A
Cheapest Retailer
-
HK$36,858 HKD
A
Retailer 2
-
HK$39,174 HKD
₹475,508 INR
View
B+
Retailer 3
-
HK$41,161 HKD
$5,246 USD
View
B+
Retailer 4
-
HK$42,280 HKD
SGD 7,282 SGD
View
B+
Retailer 5
-
HK$42,855 HKD
$5,462 USD
View
B+
Retailer 6
-
HK$44,911 HKD
$5,724 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$45,276 HKD
SGD 7,798 SGD
View
B+
Retailer 8
-
HK$45,848 HKD
£4,601 GBP
View
B+
Retailer 9
-
HK$46,681 HKD
£4,685 GBP
View
B
Retailer 10
-
HK$46,684 HKD
$5,950 USD
View
B+
Retailer 11
-
HK$47,077 HKD
$6,000 USD
View
B
Retailer 12
-
HK$48,920 HKD
$6,235 USD
View
B+
Retailer 13
-
HK$49,891 HKD
$6,359 USD
View
Retailer 14
-
HK$50,055 HKD
A$9,815 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
HK$50,134 HKD
$6,390 USD
View
B+
Retailer 16
-
HK$51,149 HKD
$6,519 USD
View
B
Retailer 17
-
HK$52,774 HKD
A$10,348 AUD
View
B+
Retailer 18
-
HK$53,154 HKD
€6,452 EUR
View
B
Retailer 19
-
HK$60,110 HKD
ZAR 123,766 ZAR
View
B
Retailer 20
-
HK$72,074 HKD
£7,233 GBP
View
Most Expensive
B
Queensmith
6541643501 · Oct 28
HK$77,225 HKD
£7,750 GBP
View
20 more retailers have this diamond
Prices start from HK$36,858 HKDSave up to HK$40,367 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$36,858 HKD