Cushion|Natural|GIA

1.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2556450159

Certificate GIA 2556450159

Diamond specifications and retailer prices

From HK$32,196 HKD
As of November 6, 2026
Save HK$34,512 HKD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$66,708 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 F 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 2556450159. Listed at 20 retailers as of November 6, 2026, with prices from HK$32,196 to HK$66,708, a HK$34,512 spread on the same certified stone. MOH London lists it at HK$66,708. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.67°
Pavilion angle53.38°
OriginNatural
Grading LabGIA
CertificateGIA 2556450159
Dimensions7.93 × 5.64 × 3.89 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.93 mm5.64 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556450159
Side View
Table 66.0%Crown 32.67°Girdle: MED-THKPavilion 53.38°Culet: NoneDepth 68.8%

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$66,708 HKD|Low: HK$32,196 HKD|High: HK$67,873 HKD|Avg: HK$42,871 HKD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 10HK$32,196 HKD
Retailer 7HK$32,259 HKD
Retailer 12HK$35,629 HKD
Retailer 3HK$36,867 HKD
Retailer 11HK$38,552 HKD
Retailer 4HK$38,858 HKD
Retailer 6HK$40,786 HKD
Retailer 2HK$41,115 HKD
Retailer 8HK$47,377 HKD
Retailer 9HK$51,374 HKD
Retailer 5HK$53,036 HKD
MOH LondonHK$66,708 HKD

29 data points across 12 retailers

20 retailersHK$32,196 HKD to HK$66,708 HKD

B+
Cheapest Retailer
-
HK$32,196 HKD
A
Retailer 2
-
HK$32,259 HKD
View
B+
Retailer 3
-
HK$35,629 HKD
View
B+
Retailer 4
-
HK$35,739 HKD
View
B+
Retailer 5
-
HK$36,726 HKD
View
B
Retailer 6
-
HK$38,552 HKD
View
B
Retailer 7
-
HK$38,858 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$39,461 HKD
View
B+
Retailer 9
-
HK$40,786 HKD
View
Retailer 10
-
HK$40,903 HKD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$41,115 HKD
View
B
Retailer 12
-
HK$42,165 HKD
View
Retailer 13
-
HK$42,447 HKD
View
Price last confirmed 29 days ago
B
Retailer 14
-
HK$43,309 HKD
View
B
Retailer 15
-
HK$44,093 HKD
View
B
Retailer 16
-
HK$47,377 HKD
View
B
Retailer 17
-
HK$51,374 HKD
View
Retailer 18
-
HK$53,036 HKD
View
B
Retailer 19
-
HK$62,762 HKD
View
Most Expensive
B
MOH London
6D236D827 · Nov 7
HK$66,708 HKD
£6,702 GBP
View
19 more retailers have this diamond
Prices start from HK$32,196 HKDSave up to HK$34,512 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$32,196 HKD