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Cushion|Natural|GIA

0.31ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1558872758

Certificate GIA 1558872758

Diamond specifications and retailer prices

From $501 CAD
$359 USD
As of October 29, 2026
Save $581 CAD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,082 CAD at MOH London · As of October 29, 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 I 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 1558872758. Listed at 8 retailers as of October 29, 2026, with prices from $501 to $1,082, a $581 spread on the same certified stone. MOH London lists it at $1,082. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558872758
Dimensions3.82 × 3.81 × 2.59 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather
Top View
3.82 mm3.81 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558872758
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,082 CAD|Low: $499 CAD|High: $1,082 CAD|Avg: $775 CAD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$501 CAD
Retailer 5$538 CAD
Retailer 3$602 CAD
Retailer 4$723 CAD
Retailer 8$741 CAD
Retailer 7$867 CAD
Retailer 2$943 CAD
MOH London$1,082 CAD

36 data points across 8 retailers

8 retailers$501 CAD to $1,082 CAD

B+
Cheapest Retailer
-
$501 CAD
$359 USD
B+
Retailer 2
-
$538 CAD
$385 USD
View
B+
Retailer 3
-
$602 CAD
£339 GBP
View
B
Retailer 4
-
$723 CAD
ZAR 8,358 ZAR
View
Retailer 5
-
$741 CAD
A$817 AUD
View
Price last confirmed 29 days ago
B
Retailer 6
-
$867 CAD
€591 EUR
View
B
Retailer 7
-
$943 CAD
£532 GBP
View
Most Expensive
B
MOH London
169F95A97 · Oct 29
$1,082 CAD
£610 GBP
View
7 more retailers have this diamond
Prices start from $501 CADSave up to $581 CAD

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.

B+
0.31ct Cushion
$501 CAD