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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542540034

Certificate GIA 6542540034

Diamond specifications and retailer prices

From HK$22,509 HKD
As of November 6, 2026
Save HK$23,894 HKD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$46,403 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded I 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 6542540034. Listed at 19 retailers as of November 2, 2026, with prices from HK$22,509 to HK$46,403, a HK$23,894 spread on the same certified stone. MOH London lists it at HK$46,403. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542540034
Dimensions7.29 × 5.37 × 3.69 mm
L/W Ratio1.36
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.29 mm5.37 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542540034
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$46,403 HKD|Low: HK$21,263 HKD|High: HK$46,961 HKD|Avg: HK$28,878 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 12HK$22,509 HKD
Retailer 10HK$23,191 HKD
Retailer 11HK$23,528 HKD
Retailer 3HK$23,606 HKD
Retailer 9HK$25,135 HKD
Retailer 5HK$26,914 HKD
Retailer 8HK$28,505 HKD
Retailer 2HK$28,708 HKD
Retailer 4HK$29,712 HKD
Retailer 6HK$32,298 HKD
Retailer 7HK$33,858 HKD
MOH LondonHK$46,403 HKD

38 data points across 12 retailers

19 retailersHK$22,509 HKD to HK$46,403 HKD

Retailer 1
-
HK$22,007 HKD
Price last confirmed 31 days ago
B+
Retailer 2
-
HK$22,509 HKD
View
B+
Retailer 3
-
HK$23,191 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$23,528 HKD
View
B+
Retailer 5
-
HK$23,606 HKD
View
Retailer 6
-
HK$25,135 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$26,914 HKD
View
B
Retailer 8
-
HK$27,023 HKD
View
B
Retailer 9
-
HK$28,505 HKD
View
Retailer 10
-
HK$28,505 HKD
View
Price last confirmed 19 days ago
B
Retailer 11
-
HK$28,528 HKD
View
B
Retailer 12
-
HK$28,528 HKD
View
B
Retailer 13
-
HK$28,708 HKD
View
B
Retailer 14
-
HK$29,469 HKD
View
Retailer 15
-
HK$29,712 HKD
View
Price last confirmed 30 days ago
Retailer 16
-
HK$31,436 HKD
View
Price last confirmed 15 days ago
B
Retailer 17
-
HK$32,298 HKD
View
B
Retailer 18
-
HK$33,858 HKD
View
Most Expensive
B
MOH London
AB3735B3F · Nov 2
HK$46,403 HKD
£4,662 GBP
View
18 more retailers have this diamond
Prices start from HK$22,509 HKDSave up to HK$23,894 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.

B+
1.21ct Cushion
HK$22,509 HKD