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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1553420879

Certificate GIA 1553420879

Diamond specifications and retailer prices

From €316 EUR
₹33,624 INR
As of October 31, 2026
Save €689 EUR (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,005 EUR 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 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 1553420879. Listed at 11 retailers as of October 31, 2026, with prices from €316 to €1,005, a €689 spread on the same certified stone. MOH London lists it at €1,005. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553420879
Dimensions3.83 × 3.83 × 2.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
3.83 mm3.83 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1553420879
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: €1,005 EUR|Low: €315 EUR|High: €1,016 EUR|Avg: €633 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3€316 EUR
Retailer 8€443 EUR
Retailer 6€468 EUR
Retailer 2€539 EUR
Retailer 7€596 EUR
Retailer 4€654 EUR
Retailer 5€675 EUR
Retailer 9€697 EUR
Retailer 10€891 EUR
MOH London€1,005 EUR

35 data points across 10 retailers

11 retailers€316 EUR to €1,005 EUR

A
Cheapest Retailer
-
€316 EUR
₹33,624 INR
B+
Retailer 2
-
€443 EUR
$495 USD
View
B+
Retailer 3
-
€502 EUR
$561 USD
View
B+
Retailer 4
-
€539 EUR
£474 GBP
View
B+
Retailer 5
-
€547 EUR
$611 USD
View
B+
Retailer 6
-
€596 EUR
£524 GBP
View
B
Retailer 7
-
€654 EUR
View
B
Retailer 8
-
€675 EUR
ZAR 12,174 ZAR
View
Retailer 9
-
€697 EUR
A$1,198 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
€891 EUR
£784 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
EFE886342 · Nov 1
€1,005 EUR
£884 GBP
View
10 more retailers have this diamond
Prices start from €316 EURSave up to €689 EUR

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
€316 EUR