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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555308320

Certificate GIA 1555308320

Diamond specifications and retailer prices

From HK$18,253 HKD
As of November 6, 2026
Save HK$22,118 HKD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$40,371 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555308320. Listed at 12 retailers as of November 4, 2026, with prices from HK$18,253 to HK$40,371, a HK$22,118 spread on the same certified stone. MOH London lists it at HK$40,371. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1555308320
Dimensions7.61 × 5.35 × 3.62 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.61 mm5.35 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1555308320
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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$40,371 HKD|Low: HK$18,057 HKD|High: HK$42,581 HKD|Avg: HK$25,683 HKD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7HK$18,253 HKD
Retailer 2HK$18,982 HKD
Retailer 6HK$22,164 HKD
Retailer 8HK$22,337 HKD
Retailer 5HK$25,017 HKD
Retailer 10HK$25,095 HKD
Retailer 4HK$25,354 HKD
Retailer 9HK$26,099 HKD
Retailer 3HK$28,175 HKD
MOH LondonHK$40,371 HKD

31 data points across 10 retailers

12 retailersHK$18,253 HKD to HK$40,371 HKD

A
Cheapest Retailer
-
HK$18,253 HKD
A
Retailer 2
-
HK$18,982 HKD
View
B+
Retailer 3
-
HK$22,164 HKD
View
B+
Retailer 4
-
HK$22,337 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$23,332 HKD
View
B+
Retailer 6
-
HK$24,798 HKD
View
B+
Retailer 7
-
HK$25,017 HKD
View
Retailer 8
-
HK$25,095 HKD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
HK$25,354 HKD
View
B+
Retailer 10
-
HK$26,099 HKD
View
B+
Retailer 11
-
HK$28,175 HKD
View
Most Expensive
B
MOH London
0B18D3B7B · Nov 4
HK$40,371 HKD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from HK$18,253 HKDSave up to HK$22,118 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$18,253 HKD