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Cushion|Natural|GIA

1.31ct K SI1 Cushion Natural Diamond

VG • K/SI1 • GIA 1395417930

Certificate GIA 1395417930

Diamond specifications and retailer prices

From HK$20,463 HKD
As of November 4, 2026
Save HK$23,899 HKD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$44,363 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1395417930. Listed at 15 retailers as of November 4, 2026, with prices from HK$20,463 to HK$44,363, a HK$23,899 spread on the same certified stone. MOH London lists it at HK$44,363. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1395417930
Dimensions6.50 × 6.13 × 4.21 mm
L/W Ratio1.06
Culet sizeNone
Top View
6.50 mm6.13 mm1.31 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1395417930
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$44,363 HKD|Low: HK$20,918 HKD|High: HK$45,139 HKD|Avg: HK$27,562 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 10HK$20,918 HKD
Retailer 5HK$21,043 HKD
Retailer 6HK$21,631 HKD
Retailer 9HK$24,163 HKD
Retailer 7HK$25,918 HKD
Retailer 8HK$26,020 HKD
Retailer 2HK$27,588 HKD
Retailer 3HK$29,273 HKD
Retailer 4HK$32,549 HKD
MOH LondonHK$44,363 HKD

45 data points across 10 retailers

15 retailersHK$20,463 HKD to HK$44,363 HKD

B+
Cheapest Retailer
-
HK$20,463 HKD
B+
Retailer 2
-
HK$20,918 HKD
View
B+
Retailer 3
-
HK$21,043 HKD
View
B+
Retailer 4
-
HK$21,365 HKD
View
B+
Retailer 5
-
HK$21,631 HKD
View
B
Retailer 6
-
HK$23,512 HKD
View
Retailer 7
-
HK$24,163 HKD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$25,918 HKD
View
B
Retailer 9
-
HK$26,020 HKD
View
B
Retailer 10
-
HK$26,240 HKD
View
B
Retailer 11
-
HK$27,588 HKD
View
B
Retailer 12
-
HK$29,273 HKD
View
Retailer 13
-
HK$30,221 HKD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$32,549 HKD
View
Most Expensive
C
MOH London
ABE43FA0F · Nov 7
HK$44,363 HKD
£4,457 GBP
View
14 more retailers have this diamond
Prices start from HK$20,463 HKDSave up to HK$23,899 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.

B+
1.31ct Cushion
HK$20,463 HKD