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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6555180814

Certificate GIA 6555180814

Diamond specifications and retailer prices

From $418 CAD
₹28,495 INR
As of October 31, 2026
Save $930 CAD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,348 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 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 6555180814. Listed at 11 retailers as of October 29, 2026, with prices from $418 to $1,348, a $930 spread on the same certified stone. MOH London lists it at $1,348. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555180814
Dimensions3.84 × 3.82 × 2.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
3.84 mm3.82 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555180814
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 66.8%

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: $1,348 CAD|Low: $417 CAD|High: $1,357 CAD|Avg: $864 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2$418 CAD
Retailer 6$626 CAD
Retailer 4$713 CAD
Retailer 7$796 CAD
Retailer 5$900 CAD
Retailer 8$930 CAD
Retailer 3$934 CAD
MOH London$1,348 CAD

35 data points across 8 retailers

11 retailers$418 CAD to $1,348 CAD

A
Cheapest Retailer
-
$418 CAD
₹28,495 INR
A
Retailer 2
-
$626 CAD
$448 USD
View
B+
Retailer 3
-
$671 CAD
$480 USD
View
B+
Retailer 4
-
$713 CAD
£402 GBP
View
B+
Retailer 5
-
$770 CAD
$551 USD
View
B+
Retailer 6
-
$796 CAD
£449 GBP
View
B+
Retailer 7
-
$830 CAD
$594 USD
View
B+
Retailer 8
-
$900 CAD
ZAR 10,412 ZAR
View
Retailer 9
-
$930 CAD
A$1,024 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$934 CAD
€637 EUR
View
Most Expensive
B
MOH London
993528188 · Oct 29
$1,348 CAD
£760 GBP
View
10 more retailers have this diamond
Prices start from $418 CADSave up to $930 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.

A
0.31ct Cushion
$418 CAD