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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 $480 AUD
₹32,104 INR
As of October 31, 2026
Save $1,048 AUD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,528 AUD 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 $480 to $1,528, a $1,048 spread on the same certified stone. MOH London lists it at $1,528. 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: $1,528 AUD|Low: $479 AUD|High: $1,548 AUD|Avg: $949 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$480 AUD
Retailer 8$713 AUD
Retailer 2$818 AUD
Retailer 6$907 AUD
Retailer 4$1,000 AUD
Retailer 5$1,026 AUD
Retailer 7$1,060 AUD
MOH London$1,528 AUD

36 data points across 8 retailers

10 retailers$480 AUD to $1,528 AUD

A
Cheapest Retailer
-
$480 AUD
₹32,104 INR
B+
Retailer 2
-
$763 AUD
$536 USD
View
B+
Retailer 3
-
$818 AUD
£452 GBP
View
B+
Retailer 4
-
$844 AUD
$593 USD
View
B+
Retailer 5
-
$907 AUD
£502 GBP
View
B
Retailer 6
-
$936 AUD
$658 USD
View
B+
Retailer 7
-
$1,000 AUD
€669 EUR
View
B+
Retailer 8
-
$1,026 AUD
ZAR 11,645 ZAR
View
Retailer 9
-
$1,060 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
7E8B7E201 · Nov 1
$1,528 AUD
£845 GBP
View
9 more retailers have this diamond
Prices start from $480 AUDSave up to $1,048 AUD

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
$480 AUD