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Cushion|Natural|GIA

1.21ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6565220844

Certificate GIA 6565220844

Diamond specifications and retailer prices

From HK$11,248 HKD
As of November 1, 2026
Save HK$15,397 HKD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$26,645 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 J 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 6565220844. Listed at 11 retailers as of November 1, 2026, with prices from HK$11,248 to HK$26,645, a HK$15,397 spread on the same certified stone. MOH London lists it at HK$26,645. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565220844
Dimensions5.97 × 5.61 × 4.06 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.97 mm5.61 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565220844
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 72.4%

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 1
Current: HK$26,645 HKD|Low: HK$11,248 HKD|High: HK$26,784 HKD|Avg: HK$17,208 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 6HK$11,248 HKD
Retailer 4HK$11,422 HKD
Retailer 2HK$14,811 HKD
Retailer 5HK$16,540 HKD
Retailer 9HK$17,261 HKD
Retailer 8HK$17,415 HKD
Retailer 7HK$18,692 HKD
Retailer 3HK$19,360 HKD
MOH LondonHK$26,645 HKD

25 data points across 9 retailers

11 retailersHK$11,248 HKD to HK$26,645 HKD

A
Cheapest Retailer
-
HK$11,248 HKD
A
Retailer 2
-
HK$11,422 HKD
₹138,646 INR
View
B+
Retailer 3
-
HK$14,811 HKD
£1,486 GBP
View
Retailer 4
-
HK$15,688 HKD
SGD 2,702 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$16,288 HKD
$2,076 USD
View
B+
Retailer 6
-
HK$16,540 HKD
£1,660 GBP
View
B
Retailer 7
-
HK$17,261 HKD
$2,200 USD
View
B
Retailer 8
-
HK$18,692 HKD
ZAR 38,487 ZAR
View
B+
Retailer 9
-
HK$19,360 HKD
€2,350 EUR
View
Retailer 10
-
HK$19,843 HKD
A$3,891 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
2E3AE25B1 · Nov 2
HK$26,645 HKD
£2,674 GBP
View
10 more retailers have this diamond
Prices start from HK$11,248 HKDSave up to HK$15,397 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$11,248 HKD