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Cushion|Natural|GIA

0.31ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1539081595

Certificate GIA 1539081595

Diamond specifications and retailer prices

From $535 CAD
$383 USD
As of October 29, 2026
Save $620 CAD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,155 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 H 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 1539081595. Listed at 11 retailers as of October 29, 2026, with prices from $535 to $1,155, a $620 spread on the same certified stone. MOH London lists it at $1,155. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539081595
Dimensions3.74 × 3.66 × 2.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Key to symbols
Crystal, Cloud
Top View
3.74 mm3.66 mm0.31 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1539081595
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.0%

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: $1,155 CAD|Low: $510 CAD|High: $1,155 CAD|Avg: $733 CAD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$510 CAD
Retailer 3$534 CAD
Retailer 8$535 CAD
Retailer 9$574 CAD
Retailer 4$639 CAD
Retailer 7$681 CAD
Retailer 5$771 CAD
Retailer 11$791 CAD
Retailer 2$917 CAD
Retailer 6$1,009 CAD
MOH London$1,155 CAD

45 data points across 11 retailers

11 retailers$535 CAD to $1,155 CAD

Retailer 1
-
$510 CAD
$365 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$535 CAD
$383 USD
View
B+
Retailer 3
-
$574 CAD
$411 USD
View
B
Retailer 4
-
$639 CAD
£360 GBP
View
Retailer 5
-
$679 CAD
$486 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$681 CAD
£384 GBP
View
B
Retailer 7
-
$771 CAD
ZAR 8,914 ZAR
View
Retailer 8
-
$791 CAD
A$871 AUD
View
Price last confirmed 26 days ago
B
Retailer 9
-
$917 CAD
€625 EUR
View
B
Retailer 10
-
$1,009 CAD
£569 GBP
View
Most Expensive
B
MOH London
B019B4339 · Oct 29
$1,155 CAD
£651 GBP
View
10 more retailers have this diamond
Prices start from $535 CADSave up to $620 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
$535 CAD