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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 5556836886

Certificate GIA 5556836886

Diamond specifications and retailer prices

From HK$19,986 HKD
As of November 2, 2026
Save HK$29,189 HKD (59%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$49,175 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct 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 5556836886. Listed at 19 retailers as of October 28, 2026, with prices from HK$19,986 to HK$49,175, a HK$29,189 spread on the same certified stone. Queensmith lists it at HK$49,175. 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

1.20
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556836886
Dimensions7.40 × 5.38 × 3.64 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
7.40 mm5.38 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556836886
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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 2
Current: HK$49,175 HKD|Low: HK$19,986 HKD|High: HK$49,374 HKD|Avg: HK$29,141 HKD|+2.3%
Queensmith
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
November 2, 2026
Retailer 8HK$19,986 HKD
Retailer 7HK$20,960 HKD
Retailer 6HK$23,660 HKD
Retailer 5HK$24,025 HKD
Retailer 12HK$24,519 HKD
Retailer 9HK$25,908 HKD
Retailer 4HK$26,810 HKD
Retailer 11HK$27,695 HKD
Retailer 13HK$27,759 HKD
Retailer 2HK$28,324 HKD
Retailer 10HK$31,084 HKD
Retailer 14HK$32,952 HKD
Retailer 3HK$45,070 HKD
QueensmithHK$49,175 HKD

23 data points across 14 retailers

19 retailersHK$19,986 HKD to HK$49,175 HKD

A
Cheapest Retailer
-
HK$19,986 HKD
B+
Retailer 2
-
HK$20,960 HKD
₹254,414 INR
View
B+
Retailer 3
-
HK$23,660 HKD
SGD 4,075 SGD
View
B
Retailer 4
-
HK$24,025 HKD
$3,062 USD
View
B+
Retailer 5
-
HK$24,519 HKD
$3,125 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$25,037 HKD
$3,191 USD
View
B+
Retailer 7
-
HK$25,068 HKD
$3,195 USD
View
B+
Retailer 8
-
HK$25,908 HKD
£2,600 GBP
View
B+
Retailer 9
-
HK$26,561 HKD
A$5,208 AUD
View
B+
Retailer 10
-
HK$26,810 HKD
$3,417 USD
View
B
Retailer 11
-
HK$27,695 HKD
$3,530 USD
View
B+
Retailer 12
-
HK$27,759 HKD
£2,786 GBP
View
B
Retailer 13
-
HK$28,113 HKD
SGD 4,842 SGD
View
B
Retailer 14
-
HK$28,324 HKD
$3,610 USD
View
Retailer 15
-
HK$29,013 HKD
A$5,689 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
HK$31,084 HKD
€3,773 EUR
View
B
Retailer 17
-
HK$32,952 HKD
ZAR 67,848 ZAR
View
B
Retailer 18
-
HK$45,070 HKD
£4,523 GBP
View
Most Expensive
B
Queensmith
5556836886 · Oct 28
HK$49,175 HKD
£4,935 GBP
View
18 more retailers have this diamond
Prices start from HK$19,986 HKDSave up to HK$29,189 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
1.20ct Cushion
HK$19,986 HKD