CaratHunter
Plans
Cushion|Natural|GIA

0.31ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6541553004

Certificate GIA 6541553004

Diamond specifications and retailer prices

From $340 NZD
₹18,237 INR
As of October 31, 2026
Save $778 NZD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,118 NZD 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 $340 to $1,118, a $778 spread on the same certified stone. MOH London lists it at $1,118. 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: $1,118 NZD|Low: $339 NZD|High: $1,163 NZD|Avg: $728 NZD|-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$340 NZD
Retailer 6$522 NZD
Retailer 7$559 NZD
Retailer 2$614 NZD
Retailer 4$750 NZD
Retailer 8$761 NZD
Retailer 9$797 NZD
Retailer 5$933 NZD
MOH London$1,118 NZD

37 data points across 9 retailers

9 retailers$340 NZD to $1,118 NZD

A
Cheapest Retailer
-
$340 NZD
₹18,237 INR
B+
Retailer 2
-
$522 NZD
$294 USD
View
B+
Retailer 3
-
$559 NZD
$315 USD
View
B+
Retailer 4
-
$614 NZD
£272 GBP
View
B
Retailer 5
-
$750 NZD
ZAR 6,832 ZAR
View
B
Retailer 6
-
$761 NZD
$429 USD
View
Retailer 7
-
$797 NZD
A$691 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$933 NZD
€501 EUR
View
Most Expensive
B
MOH London
85BABEFF6 · Nov 1
$1,118 NZD
£496 GBP
View
8 more retailers have this diamond
Prices start from $340 NZDSave up to $778 NZD

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
$340 NZD