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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5556389494

Certificate GIA 5556389494

Diamond specifications and retailer prices

From HK$3,492 HKD
$445 USD
As of November 1, 2026
Save HK$4,291 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,782 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded D 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 5556389494. Listed at 11 retailers as of October 29, 2026, with prices from HK$3,492 to HK$7,782, a HK$4,291 spread on the same certified stone. MOH London lists it at HK$7,782. 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

0.31
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556389494
Dimensions3.93 × 3.92 × 2.68 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Twinning Wisp, Feather
Top View
3.93 mm3.92 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556389494
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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 1
Current: HK$7,782 HKD|Low: HK$3,492 HKD|High: HK$7,822 HKD|Avg: HK$5,009 HKD|+16.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$3,492 HKD
Retailer 3HK$3,688 HKD
Retailer 9HK$3,931 HKD
Retailer 5HK$4,149 HKD
Retailer 11HK$4,455 HKD
Retailer 8HK$4,697 HKD
Retailer 10HK$4,818 HKD
Retailer 4HK$5,207 HKD
Retailer 7HK$5,313 HKD
Retailer 2HK$6,779 HKD
MOH LondonHK$7,782 HKD

31 data points across 11 retailers

11 retailersHK$3,492 HKD to HK$7,782 HKD

A
Cheapest Retailer
-
HK$3,492 HKD
$445 USD
A
Retailer 2
-
HK$3,688 HKD
$470 USD
View
A
Retailer 3
-
HK$3,931 HKD
$501 USD
View
B+
Retailer 4
-
HK$4,149 HKD
£416 GBP
View
B+
Retailer 5
-
HK$4,455 HKD
$568 USD
View
B+
Retailer 6
-
HK$4,697 HKD
£471 GBP
View
B+
Retailer 7
-
HK$4,818 HKD
$614 USD
View
B+
Retailer 8
-
HK$5,207 HKD
€632 EUR
View
B+
Retailer 9
-
HK$5,313 HKD
ZAR 10,940 ZAR
View
B
Retailer 10
-
HK$6,779 HKD
£680 GBP
View
Most Expensive
B
MOH London
0AB137A9B · Oct 29
HK$7,782 HKD
£781 GBP
View
10 more retailers have this diamond
Prices start from HK$3,492 HKDSave up to HK$4,291 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
0.31ct Cushion
HK$3,492 HKD