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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6542936162

Certificate GIA 6542936162

Diamond specifications and retailer prices

From HK$48,206 HKD
As of November 2, 2026
Save HK$41,225 HKD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$89,432 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 6542936162. Listed at 18 retailers as of October 28, 2026, with prices from HK$48,206 to HK$89,432, a HK$41,225 spread on the same certified stone. Queensmith lists it at HK$89,432. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542936162
Dimensions8.16 × 5.83 × 3.82 mm
L/W Ratio1.40
Top View
8.16 mm5.83 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542936162
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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$89,432 HKD|Low: HK$48,006 HKD|High: HK$89,980 HKD|Avg: HK$63,152 HKD|+0.7%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 9HK$48,206 HKD
Retailer 2HK$51,062 HKD
Retailer 4HK$52,428 HKD
Retailer 7HK$55,095 HKD
Retailer 6HK$55,245 HKD
Retailer 5HK$57,916 HKD
Retailer 8HK$58,061 HKD
Retailer 16HK$58,061 HKD
Retailer 12HK$58,571 HKD
Retailer 13HK$59,862 HKD
Retailer 3HK$61,143 HKD
Retailer 11HK$64,800 HKD
Retailer 10HK$69,318 HKD
Retailer 15HK$78,377 HKD
Retailer 14HK$88,914 HKD
QueensmithHK$89,432 HKD

27 data points across 16 retailers

18 retailersHK$48,206 HKD to HK$89,432 HKD

A
Cheapest Retailer
-
HK$48,206 HKD
A
Retailer 2
-
HK$51,062 HKD
₹619,802 INR
View
B+
Retailer 3
-
HK$52,428 HKD
$6,682 USD
View
B+
Retailer 4
-
HK$55,095 HKD
$7,022 USD
View
Retailer 5
-
HK$55,245 HKD
SGD 9,515 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
HK$57,916 HKD
SGD 9,975 SGD
View
B+
Retailer 7
-
HK$58,061 HKD
$7,400 USD
View
B+
Retailer 8
-
HK$58,061 HKD
$7,400 USD
View
B+
Retailer 9
-
HK$58,571 HKD
$7,465 USD
View
Final sale: no returns
B+
Retailer 10
-
HK$59,685 HKD
$7,607 USD
View
B+
Retailer 11
-
HK$59,862 HKD
£6,008 GBP
View
Retailer 12
-
HK$61,143 HKD
A$11,989 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
HK$64,800 HKD
$8,259 USD
View
B+
Retailer 14
-
HK$67,411 HKD
A$13,218 AUD
View
B+
Retailer 15
-
HK$69,318 HKD
€8,414 EUR
View
B
Retailer 16
-
HK$78,377 HKD
ZAR 161,378 ZAR
View
B
Retailer 17
-
HK$88,914 HKD
£8,923 GBP
View
Most Expensive
B
Queensmith
6542936162 · Oct 28
HK$89,432 HKD
£8,975 GBP
View
17 more retailers have this diamond
Prices start from HK$48,206 HKDSave up to HK$41,225 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$48,206 HKD