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Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2547519215

Certificate GIA 2547519215

Diamond specifications and retailer prices

From HK$21,365 HKD
As of November 6, 2026
Save HK$25,244 HKD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$50,166 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded F 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 2547519215. Listed at 19 retailers as of November 6, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547519215
Dimensions7.33 × 5.45 × 3.68 mm
L/W Ratio1.34
Top View
7.33 mm5.45 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547519215
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

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 6
Current: HK$50,166 HKD|Low: HK$21,161 HKD|High: HK$50,862 HKD|Avg: HK$31,137 HKD|-1.4%
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 7, 2026
Retailer 16HK$21,365 HKD
Retailer 11HK$22,180 HKD
Retailer 8HK$25,401 HKD
Retailer 6HK$25,863 HKD
Retailer 15HK$25,879 HKD
Retailer 3HK$26,961 HKD
Retailer 2HK$27,360 HKD
Retailer 5HK$28,019 HKD
Retailer 10HK$28,991 HKD
Retailer 4HK$29,155 HKD
Retailer 7HK$29,625 HKD
Retailer 13HK$29,688 HKD
Retailer 12HK$32,619 HKD
Retailer 14HK$34,195 HKD
Retailer 9HK$46,609 HKD
QueensmithHK$50,166 HKD

23 data points across 16 retailers

19 retailersHK$21,365 HKD to HK$46,609 HKD

A
Cheapest Retailer
-
HK$21,365 HKD
A
Retailer 2
-
HK$22,180 HKD
View
B+
Retailer 3
-
HK$25,401 HKD
View
B+
Retailer 4
-
HK$25,863 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$25,879 HKD
View
B+
Retailer 6
-
HK$26,961 HKD
View
B+
Retailer 7
-
HK$27,000 HKD
View
B+
Retailer 8
-
HK$27,360 HKD
View
Retailer 9
-
HK$28,019 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$28,920 HKD
View
B+
Retailer 11
-
HK$28,991 HKD
View
B+
Retailer 12
-
HK$29,155 HKD
View
B+
Retailer 13
-
HK$29,625 HKD
View
B+
Retailer 14
-
HK$29,688 HKD
View
Retailer 15
-
HK$31,185 HKD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
HK$32,619 HKD
View
B
Retailer 17
-
HK$34,195 HKD
View
B
Retailer 18
-
HK$46,609 HKD
View
Most Expensive
Queensmith
2547519215 · Oct 28
HK$50,166 HKD
£5,040 GBP
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from HK$21,365 HKDSave up to HK$25,244 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
1.21ct Cushion
HK$21,365 HKD