CaratHunter
Plans
Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6555416527

Certificate GIA 6555416527

Diamond specifications and retailer prices

From HK$14,241 HKD
As of November 6, 2026
Save HK$18,715 HKD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$32,956 HKD at MOH London · As of November 4, 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 6555416527. Listed at 18 retailers as of November 4, 2026, with prices from HK$14,241 to HK$32,956, a HK$18,715 spread on the same certified stone. MOH London lists it at HK$32,956. 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 6555416527
Dimensions6.21 × 6.14 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.21 mm6.14 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555416527
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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 6
Current: HK$32,956 HKD|Low: HK$14,045 HKD|High: HK$33,623 HKD|Avg: HK$19,473 HKD|-2.0%
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
November 7, 2026
Retailer 6HK$14,241 HKD
Retailer 9HK$14,405 HKD
Retailer 15HK$15,628 HKD
Retailer 8HK$15,761 HKD
Retailer 10HK$16,662 HKD
Retailer 14HK$16,811 HKD
Retailer 3HK$17,203 HKD
Retailer 4HK$17,634 HKD
Retailer 13HK$17,861 HKD
Retailer 7HK$17,908 HKD
Retailer 2HK$18,198 HKD
Retailer 5HK$19,374 HKD
Retailer 12HK$23,018 HKD
Retailer 11HK$23,410 HKD
Retailer 16HK$29,100 HKD
MOH LondonHK$32,956 HKD

24 data points across 16 retailers

18 retailersHK$14,241 HKD to HK$32,956 HKD

A
Cheapest Retailer
-
HK$14,241 HKD
A
Retailer 2
-
HK$14,405 HKD
View
A
Retailer 3
-
HK$15,628 HKD
View
A
Retailer 4
-
HK$15,761 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$16,662 HKD
View
A
Retailer 6
-
HK$16,811 HKD
View
A
Retailer 7
-
HK$17,203 HKD
View
A
Retailer 8
-
HK$17,634 HKD
View
A
Retailer 9
-
HK$17,861 HKD
View
A
Retailer 10
-
HK$17,908 HKD
View
A
Retailer 11
-
HK$18,198 HKD
View
B+
Retailer 12
-
HK$19,374 HKD
View
B+
Retailer 13
-
HK$19,907 HKD
View
B+
Retailer 14
-
HK$23,018 HKD
View
B+
Retailer 15
-
HK$23,410 HKD
View
Retailer 16
-
HK$23,536 HKD
View
Price last confirmed 31 days ago
B
Retailer 17
-
HK$29,100 HKD
View
Most Expensive
B
MOH London
948ED028E · Nov 4
HK$32,956 HKD
£3,311 GBP
View
17 more retailers have this diamond
Prices start from HK$14,241 HKDSave up to HK$18,715 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$14,241 HKD