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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2557183012

Certificate GIA 2557183012

Diamond specifications and retailer prices

From HK$2,645 HKD
₹32,104 INR
As of October 31, 2026
Save HK$5,775 HKD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$8,420 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 2557183012. Listed at 10 retailers as of October 31, 2026, with prices from HK$2,645 to HK$8,420, a HK$5,775 spread on the same certified stone. MOH London lists it at HK$8,420. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557183012
Dimensions3.85 × 3.82 × 2.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
3.85 mm3.82 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557183012
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.8%

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: Oct 31
Current: HK$8,420 HKD|Low: HK$2,638 HKD|High: HK$8,529 HKD|Avg: HK$5,233 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3HK$2,645 HKD
Retailer 8HK$3,931 HKD
Retailer 2HK$4,545 HKD
Retailer 6HK$4,999 HKD
Retailer 4HK$5,511 HKD
Retailer 5HK$5,655 HKD
Retailer 7HK$5,842 HKD
MOH LondonHK$8,420 HKD

37 data points across 8 retailers

10 retailersHK$2,645 HKD to HK$8,420 HKD

A
Cheapest Retailer
-
HK$2,645 HKD
₹32,104 INR
B+
Retailer 2
-
HK$4,205 HKD
$536 USD
View
B+
Retailer 3
-
HK$4,545 HKD
£456 GBP
View
B+
Retailer 4
-
HK$4,653 HKD
$593 USD
View
B+
Retailer 5
-
HK$4,999 HKD
£502 GBP
View
B
Retailer 6
-
HK$5,161 HKD
$658 USD
View
B+
Retailer 7
-
HK$5,511 HKD
€669 EUR
View
B+
Retailer 8
-
HK$5,655 HKD
ZAR 11,645 ZAR
View
Retailer 9
-
HK$5,842 HKD
A$1,146 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
7E8B7E201 · Nov 1
HK$8,420 HKD
£845 GBP
View
9 more retailers have this diamond
Prices start from HK$2,645 HKDSave up to HK$5,775 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$2,645 HKD