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Cushion|Natural|GIA

0.31ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2556254498

Certificate GIA 2556254498

Diamond specifications and retailer prices

From HK$3,225 HKD
$411 USD
As of November 1, 2026
Save HK$3,222 HKD (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$6,447 HKD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556254498. Listed at 8 retailers as of November 1, 2026, with prices from HK$3,225 to HK$6,447, a HK$3,222 spread on the same certified stone. MOH London lists it at HK$6,447. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556254498
Dimensions3.84 × 3.78 × 2.58 mm
L/W Ratio1.02
Top View
3.84 mm3.78 mm0.31 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2556254498
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 68.2%

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 1
Current: HK$6,447 HKD|Low: HK$3,225 HKD|High: HK$6,487 HKD|Avg: HK$4,456 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6HK$3,225 HKD
Retailer 2HK$3,622 HKD
Retailer 8HK$3,812 HKD
Retailer 5HK$3,827 HKD
Retailer 4HK$4,329 HKD
Retailer 7HK$4,440 HKD
Retailer 3HK$5,149 HKD
MOH LondonHK$6,447 HKD

44 data points across 8 retailers

8 retailersHK$3,225 HKD to HK$6,447 HKD

B+
Cheapest Retailer
-
HK$3,225 HKD
$411 USD
B
Retailer 2
-
HK$3,622 HKD
£363 GBP
View
Retailer 3
-
HK$3,812 HKD
$486 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$3,827 HKD
£384 GBP
View
B
Retailer 5
-
HK$4,329 HKD
ZAR 8,914 ZAR
View
Retailer 6
-
HK$4,440 HKD
A$871 AUD
View
Price last confirmed 28 days ago
B
Retailer 7
-
HK$5,149 HKD
€625 EUR
View
Most Expensive
B
MOH London
E4051D7B2 · Nov 1
HK$6,447 HKD
£647 GBP
View
7 more retailers have this diamond
Prices start from HK$3,225 HKDSave up to HK$3,222 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+
0.31ct Cushion
HK$3,225 HKD