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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1553420879

Certificate GIA 1553420879

Diamond specifications and retailer prices

From $503 AUD
₹33,624 INR
As of October 31, 2026
Save $1,096 AUD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,598 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 1553420879. Listed at 11 retailers as of October 31, 2026, with prices from $503 to $1,598, a $1,096 spread on the same certified stone. MOH London lists it at $1,598. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553420879
Dimensions3.83 × 3.83 × 2.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
3.83 mm3.83 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1553420879
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: $1,598 AUD|Low: $501 AUD|High: $1,616 AUD|Avg: $1,027 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$503 AUD
Retailer 8$705 AUD
Retailer 6$745 AUD
Retailer 2$864 AUD
Retailer 7$948 AUD
Retailer 4$1,040 AUD
Retailer 5$1,073 AUD
Retailer 9$1,108 AUD
Retailer 10$1,417 AUD
MOH London$1,598 AUD

36 data points across 10 retailers

11 retailers$503 AUD to $1,598 AUD

A
Cheapest Retailer
-
$503 AUD
₹33,624 INR
B+
Retailer 2
-
$705 AUD
$495 USD
View
B+
Retailer 3
-
$799 AUD
$561 USD
View
B+
Retailer 4
-
$864 AUD
£478 GBP
View
B+
Retailer 5
-
$870 AUD
$611 USD
View
B+
Retailer 6
-
$948 AUD
£524 GBP
View
B
Retailer 7
-
$1,040 AUD
€696 EUR
View
B
Retailer 8
-
$1,073 AUD
ZAR 12,174 ZAR
View
Retailer 9
-
$1,108 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
$1,417 AUD
£784 GBP
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
EFE886342 · Nov 1
$1,598 AUD
£884 GBP
View
10 more retailers have this diamond
Prices start from $503 AUDSave up to $1,096 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
$503 AUD