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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 7548774120

Certificate GIA 7548774120

Diamond specifications and retailer prices

From HK$29,627 HKD
As of November 1, 2026
Save HK$39,577 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$69,204 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 7548774120. Listed at 15 retailers as of October 28, 2026, with prices from HK$29,627 to HK$69,204, a HK$39,577 spread on the same certified stone. Queensmith lists it at HK$69,204. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548774120
Dimensions7.90 × 5.89 × 3.99 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
7.90 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548774120
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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$69,204 HKD|Low: HK$29,426 HKD|High: HK$69,652 HKD|Avg: HK$41,624 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
November 3, 2026
Retailer 10HK$29,627 HKD
Retailer 6HK$31,713 HKD
Retailer 5HK$34,918 HKD
Retailer 3HK$36,147 HKD
Retailer 7HK$36,896 HKD
Retailer 12HK$37,705 HKD
Retailer 2HK$38,941 HKD
Retailer 11HK$39,160 HKD
Retailer 4HK$40,349 HKD
Retailer 13HK$41,349 HKD
Retailer 8HK$44,306 HKD
Retailer 9HK$62,368 HKD
QueensmithHK$69,204 HKD

26 data points across 13 retailers

15 retailersHK$29,627 HKD to HK$69,204 HKD

A
Cheapest Retailer
-
HK$29,627 HKD
A
Retailer 2
-
HK$31,713 HKD
₹384,944 INR
View
A
Retailer 3
-
HK$34,918 HKD
SGD 6,014 SGD
View
A
Retailer 4
-
HK$36,147 HKD
$4,607 USD
View
Final sale: no returns
A
Retailer 5
-
HK$36,304 HKD
$4,627 USD
View
A
Retailer 6
-
HK$36,896 HKD
£3,703 GBP
View
A
Retailer 7
-
HK$37,705 HKD
SGD 6,494 SGD
View
A
Retailer 8
-
HK$38,941 HKD
£3,908 GBP
View
A
Retailer 9
-
HK$39,160 HKD
$4,991 USD
View
A
Retailer 10
-
HK$40,349 HKD
$5,143 USD
View
A
Retailer 11
-
HK$40,637 HKD
A$7,968 AUD
View
B+
Retailer 12
-
HK$41,349 HKD
$5,270 USD
View
B+
Retailer 13
-
HK$44,306 HKD
€5,378 EUR
View
B+
Retailer 14
-
HK$62,368 HKD
£6,259 GBP
View
Most Expensive
B
Queensmith
7548774120 · Oct 28
HK$69,204 HKD
£6,945 GBP
View
14 more retailers have this diamond
Prices start from HK$29,627 HKDSave up to HK$39,577 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$29,627 HKD