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Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542928365

Certificate GIA 6542928365

Diamond specifications and retailer prices

From HK$12,132 HKD
As of November 6, 2026
Save HK$15,688 HKD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$27,820 HKD at MOH London · As of November 7, 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 H 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 6542928365. Listed at 20 retailers as of November 6, 2026, with prices from HK$12,132 to HK$27,820, a HK$15,688 spread on the same certified stone. MOH London lists it at HK$27,820. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542928365
Dimensions5.93 × 5.93 × 4.05 mm
L/W Ratio1.00
Top View
5.93 mm5.93 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542928365
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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$27,820 HKD|Low: HK$12,038 HKD|High: HK$28,676 HKD|Avg: HK$16,649 HKD|-3.0%
MOH London
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
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 17HK$12,132 HKD
Retailer 11HK$13,175 HKD
Retailer 8HK$13,230 HKD
Retailer 10HK$13,347 HKD
Retailer 9HK$14,005 HKD
Retailer 12HK$14,319 HKD
Retailer 6HK$14,460 HKD
Retailer 3HK$14,891 HKD
Retailer 5HK$14,962 HKD
Retailer 13HK$15,487 HKD
Retailer 4HK$15,832 HKD
Retailer 16HK$15,832 HKD
Retailer 18HK$15,832 HKD
Retailer 19HK$16,380 HKD
Retailer 2HK$17,336 HKD
Retailer 7HK$19,476 HKD
Retailer 15HK$19,484 HKD
Retailer 14HK$21,678 HKD
MOH LondonHK$27,820 HKD

29 data points across 19 retailers

20 retailersHK$12,132 HKD to HK$27,820 HKD

A
Cheapest Retailer
-
HK$12,132 HKD
A
Retailer 2
-
HK$13,175 HKD
View
A
Retailer 3
-
HK$13,230 HKD
View
A
Retailer 4
-
HK$13,347 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$14,005 HKD
View
A
Retailer 6
-
HK$14,319 HKD
View
Retailer 7
-
HK$14,460 HKD
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$14,891 HKD
View
A
Retailer 9
-
HK$14,962 HKD
View
A
Retailer 10
-
HK$15,487 HKD
View
A
Retailer 11
-
HK$15,832 HKD
View
A
Retailer 12
-
HK$15,832 HKD
View
A
Retailer 13
-
HK$15,832 HKD
View
A
Retailer 14
-
HK$16,380 HKD
View
A
Retailer 15
-
HK$17,336 HKD
View
B+
Retailer 16
-
HK$19,476 HKD
View
B+
Retailer 17
-
HK$19,484 HKD
View
Retailer 18
-
HK$20,636 HKD
View
Price last confirmed 34 days ago
B+
Retailer 19
-
HK$21,678 HKD
View
Most Expensive
B
MOH London
185DF668A · Nov 7
HK$27,820 HKD
£2,795 GBP
View
19 more retailers have this diamond
Prices start from HK$12,132 HKDSave up to HK$15,688 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$12,132 HKD