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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6552251784

Certificate GIA 6552251784

Diamond specifications and retailer prices

From HK$18,535 HKD
As of November 6, 2026
Save HK$16,471 HKD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$35,006 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E 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 6552251784. Listed at 8 retailers as of November 6, 2026, with prices from HK$18,535 to HK$35,006, a HK$16,471 spread on the same certified stone. MOH London lists it at HK$35,006. 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

1.30
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6552251784
Dimensions6.85 × 5.49 × 3.85 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Natural
Top View
6.85 mm5.49 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6552251784
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 70.2%

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$35,006 HKD|Low: HK$16,999 HKD|High: HK$35,624 HKD|Avg: HK$23,210 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7HK$18,535 HKD
Retailer 2HK$18,872 HKD
Retailer 4HK$19,868 HKD
Retailer 6HK$20,087 HKD
Retailer 3HK$21,255 HKD
Retailer 8HK$22,509 HKD
Retailer 5HK$24,939 HKD
MOH LondonHK$35,006 HKD

46 data points across 8 retailers

8 retailersHK$18,535 HKD to HK$35,006 HKD

A
Cheapest Retailer
-
HK$18,535 HKD
Final sale: no returns
A
Retailer 2
-
HK$18,872 HKD
View
A
Retailer 3
-
HK$19,868 HKD
View
A
Retailer 4
-
HK$20,087 HKD
View
A
Retailer 5
-
HK$21,255 HKD
View
Retailer 6
-
HK$22,509 HKD
View
Price last confirmed 31 days ago
A
Retailer 7
-
HK$24,939 HKD
View
Most Expensive
B+
MOH London
9E10553AD · Nov 7
HK$35,006 HKD
£3,517 GBP
View
7 more retailers have this diamond
Prices start from HK$18,535 HKDSave up to HK$16,471 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
1.30ct Cushion
HK$18,535 HKD