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Cushion|Natural|GIA

0.31ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6541553004

Certificate GIA 6541553004

Diamond specifications and retailer prices

From $273 AUD
₹18,237 INR
As of October 31, 2026
Save $624 AUD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $897 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 J 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 6541553004. Listed at 9 retailers as of October 31, 2026, with prices from $273 to $897, a $624 spread on the same certified stone. MOH London lists it at $897. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541553004
Dimensions3.81 × 3.77 × 2.55 mm
L/W Ratio1.01
Top View
3.81 mm3.77 mm0.31 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6541553004
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.7%

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: $897 AUD|Low: $272 AUD|High: $933 AUD|Avg: $584 AUD|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$273 AUD
Retailer 6$419 AUD
Retailer 7$448 AUD
Retailer 2$492 AUD
Retailer 4$602 AUD
Retailer 8$611 AUD
Retailer 9$639 AUD
Retailer 5$749 AUD
MOH London$897 AUD

37 data points across 9 retailers

9 retailers$273 AUD to $897 AUD

A
Cheapest Retailer
-
$273 AUD
₹18,237 INR
B+
Retailer 2
-
$419 AUD
$294 USD
View
B+
Retailer 3
-
$448 AUD
$315 USD
View
B+
Retailer 4
-
$492 AUD
£272 GBP
View
B
Retailer 5
-
$602 AUD
ZAR 6,832 ZAR
View
B
Retailer 6
-
$611 AUD
$429 USD
View
Retailer 7
-
$639 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$749 AUD
€501 EUR
View
Most Expensive
B
MOH London
85BABEFF6 · Nov 1
$897 AUD
£496 GBP
View
8 more retailers have this diamond
Prices start from $273 AUDSave up to $624 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
$273 AUD