Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From HK$32,314 HKD
As of November 5, 2026
Save HK$4,969 HKD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$37,283 HKD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded D 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. Listed at 4 retailers as of November 5, 2026, with prices from HK$32,314 to HK$37,283, a HK$4,969 spread on the same certified stone. The Diamond Guys lists it at HK$37,283. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.42 × 5.69 × 3.79 mm
L/W Ratio1.13
Top View
6.42 mm5.69 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCuletDepth 66.6%

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 5
Current: HK$35,394 HKD|Low: HK$32,314 HKD|High: HK$37,283 HKD|Avg: HK$34,748 HKD|-0.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 6, 2026
Retailer 2HK$32,314 HKD
Retailer 3HK$33,552 HKD
Retailer 1HK$35,394 HKD
The Diamond GuysHK$37,283 HKD

41 data points across 4 retailers

4 retailersHK$32,314 HKD to HK$37,283 HKD

B+
Cheapest Retailer
-
HK$32,314 HKD
B
Retailer 2
-
HK$33,552 HKD
View
B
Retailer 3
-
HK$35,394 HKD
View
Most Expensive
B
The Diamond Guys
1957405758 · Nov 6
HK$37,283 HKD
$4,757 USD
View
3 more retailers have this diamond
Prices start from HK$32,314 HKDSave up to HK$4,969 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$32,314 HKD