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Cushion|Natural|GIA

1.31ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1545944738

Certificate GIA 1545944738

Diamond specifications and retailer prices

From HK$34,328 HKD
As of November 6, 2026
Save HK$34,102 HKD (50%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$68,430 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.31ct natural cushion diamond

This 1.31ct 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 1545944738. Listed at 21 retailers as of November 6, 2026, with prices from HK$34,328 to HK$68,430, a HK$34,102 spread on the same certified stone. MOH London lists it at HK$68,430. 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

1.31
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.89°
OriginNatural
Grading LabGIA
CertificateGIA 1545944738
Dimensions7.12 × 5.60 × 3.91 mm
L/W Ratio1.27
Key to symbols
Crystal, Feather, Needle
Top View
7.12 mm5.60 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545944738
Side View
Table 61.0%CrownGirdle: STK-VTKPavilion 35.89°Culet: NoneDepth 69.8%

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$68,430 HKD|Low: HK$33,834 HKD|High: HK$69,625 HKD|Avg: HK$49,396 HKD|-1.6%
MOH London
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
Retailer 15
November 7, 2026
Retailer 6HK$39,046 HKD
Retailer 14HK$40,739 HKD
Retailer 2HK$40,896 HKD
Retailer 13HK$42,306 HKD
Retailer 10HK$44,963 HKD
Retailer 3HK$45,183 HKD
Retailer 7HK$46,766 HKD
Retailer 4HK$48,200 HKD
Retailer 15HK$48,200 HKD
Retailer 9HK$49,650 HKD
Retailer 5HK$49,846 HKD
Retailer 11HK$50,731 HKD
Retailer 12HK$56,970 HKD
Retailer 8HK$57,072 HKD
MOH LondonHK$68,430 HKD

45 data points across 15 retailers

21 retailersHK$34,328 HKD to HK$68,430 HKD

A
Cheapest Retailer
-
HK$34,328 HKD
B+
Retailer 2
-
HK$36,891 HKD
View
B+
Retailer 3
-
HK$36,906 HKD
View
B+
Retailer 4
-
HK$37,361 HKD
View
B+
Retailer 5
-
HK$39,046 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$39,657 HKD
View
B+
Retailer 7
-
HK$40,739 HKD
View
B+
Retailer 8
-
HK$40,896 HKD
View
B+
Retailer 9
-
HK$42,306 HKD
View
B+
Retailer 10
-
HK$44,963 HKD
View
B
Retailer 11
-
HK$45,183 HKD
View
Retailer 12
-
HK$46,766 HKD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
HK$48,200 HKD
View
B+
Retailer 14
-
HK$48,200 HKD
View
B
Retailer 15
-
HK$49,650 HKD
View
B
Retailer 16
-
HK$49,846 HKD
View
B+
Retailer 17
-
HK$50,731 HKD
View
Retailer 18
-
HK$51,500 HKD
View
Price last confirmed 15 days ago
B
Retailer 19
-
HK$56,970 HKD
View
B
Retailer 20
-
HK$57,072 HKD
View
Most Expensive
B
MOH London
23ED74DE8 · Nov 7
HK$68,430 HKD
£6,875 GBP
View
20 more retailers have this diamond
Prices start from HK$34,328 HKDSave up to HK$34,102 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
1.31ct Cushion
HK$34,328 HKD