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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 €315 EUR
₹33,606 INR
As of November 2, 2026
Save €686 EUR (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,001 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 10 retailers as of November 1, 2026, with prices from €315 to €1,001, a €686 spread on the same certified stone. MOH London lists it at €1,001. 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
Colour
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: Nov 2
Current: €1,001 EUR|Low: €314 EUR|High: €1,012 EUR|Avg: €644 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2€315 EUR
Retailer 8€441 EUR
Retailer 6€466 EUR
Retailer 3€541 EUR
Retailer 7€594 EUR
Retailer 4€652 EUR
Retailer 5€672 EUR
Retailer 9€694 EUR
Retailer 10€888 EUR
MOH London€1,001 EUR

36 data points across 10 retailers

10 retailers€315 EUR to €1,001 EUR

A
Cheapest Retailer
-
€315 EUR
₹33,606 INR
B+
Retailer 2
-
€441 EUR
$495 USD
View
B+
Retailer 3
-
€500 EUR
$561 USD
View
B+
Retailer 4
-
€541 EUR
£478 GBP
View
B+
Retailer 5
-
€545 EUR
$611 USD
View
B+
Retailer 6
-
€594 EUR
£524 GBP
View
B
Retailer 7
-
€652 EUR
View
B
Retailer 8
-
€672 EUR
ZAR 12,174 ZAR
View
Retailer 9
-
€694 EUR
A$1,198 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
EFE886342 · Nov 1
€1,001 EUR
£884 GBP
View
9 more retailers have this diamond
Prices start from €315 EURSave up to €686 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
€315 EUR