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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5563718148

Certificate GIA 5563718148

Diamond specifications and retailer prices

From HK$3,609 HKD
$460 USD
As of November 1, 2026
Save HK$4,552 HKD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$8,161 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 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 5563718148. Listed at 6 retailers as of November 1, 2026, with prices from HK$3,609 to HK$8,161, a HK$4,552 spread on the same certified stone. MOH London lists it at HK$8,161. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563718148
Dimensions3.82 × 3.77 × 2.60 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
3.82 mm3.77 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563718148
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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$8,161 HKD|Low: HK$3,609 HKD|High: HK$8,200 HKD|Avg: HK$5,386 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3HK$3,609 HKD
Retailer 2HK$4,393 HKD
Retailer 6HK$4,668 HKD
Retailer 5HK$4,840 HKD
Retailer 4HK$5,355 HKD
MOH LondonHK$8,161 HKD

9 data points across 6 retailers

6 retailersHK$3,609 HKD to HK$8,161 HKD

A
Cheapest Retailer
-
HK$3,609 HKD
$460 USD
B+
Retailer 2
-
HK$4,393 HKD
£441 GBP
View
B+
Retailer 3
-
HK$4,668 HKD
$595 USD
View
B+
Retailer 4
-
HK$4,840 HKD
£486 GBP
View
B+
Retailer 5
-
HK$5,355 HKD
€650 EUR
View
Most Expensive
B
MOH London
40E259C99 · Nov 1
HK$8,161 HKD
£819 GBP
View
5 more retailers have this diamond
Prices start from HK$3,609 HKDSave up to HK$4,552 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$3,609 HKD