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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5543528221

Certificate GIA 5543528221

Diamond specifications and retailer prices

From HK$30,029 HKD
As of November 1, 2026
Save HK$39,574 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$69,602 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct 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 5543528221. Listed at 13 retailers as of October 28, 2026, with prices from HK$30,029 to HK$69,602, a HK$39,574 spread on the same certified stone. Queensmith lists it at HK$69,602. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543528221
Dimensions7.60 × 5.85 × 4.07 mm
L/W Ratio1.30
Top View
7.60 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543528221
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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 1
Current: HK$69,602 HKD|Low: HK$29,727 HKD|High: HK$70,101 HKD|Avg: HK$44,193 HKD|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7HK$30,029 HKD
Retailer 2HK$32,120 HKD
Retailer 3HK$35,377 HKD
Retailer 9HK$36,618 HKD
Retailer 5HK$39,454 HKD
Retailer 8HK$39,678 HKD
Retailer 10HK$40,094 HKD
Retailer 11HK$40,867 HKD
Retailer 4HK$44,891 HKD
Retailer 6HK$63,195 HKD
QueensmithHK$69,602 HKD

32 data points across 11 retailers

13 retailersHK$30,029 HKD to HK$69,602 HKD

A
Cheapest Retailer
-
HK$30,029 HKD
A
Retailer 2
-
HK$32,120 HKD
₹389,880 INR
View
A
Retailer 3
-
HK$35,377 HKD
SGD 6,093 SGD
View
A
Retailer 4
-
HK$36,618 HKD
$4,667 USD
View
Final sale: no returns
A
Retailer 5
-
HK$36,783 HKD
$4,688 USD
View
A
Retailer 6
-
HK$39,454 HKD
£3,959 GBP
View
A
Retailer 7
-
HK$39,678 HKD
$5,057 USD
View
A
Retailer 8
-
HK$40,094 HKD
$5,110 USD
View
A
Retailer 9
-
HK$40,867 HKD
$5,209 USD
View
B+
Retailer 10
-
HK$41,606 HKD
A$8,158 AUD
View
B+
Retailer 11
-
HK$44,891 HKD
€5,449 EUR
View
B+
Retailer 12
-
HK$63,195 HKD
£6,342 GBP
View
Most Expensive
B
Queensmith
5543528221 · Oct 28
HK$69,602 HKD
£6,985 GBP
View
12 more retailers have this diamond
Prices start from HK$30,029 HKDSave up to HK$39,574 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
1.51ct Cushion
HK$30,029 HKD