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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5556389494

Certificate GIA 5556389494

Diamond specifications and retailer prices

From €398 EUR
$445 USD
As of November 1, 2026
Save €489 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €888 EUR 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 5556389494. Listed at 11 retailers as of October 29, 2026, with prices from €398 to €888, a €489 spread on the same certified stone. MOH London lists it at €888. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556389494
Dimensions3.93 × 3.92 × 2.68 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Twinning Wisp, Feather
Top View
3.93 mm3.92 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556389494
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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 1
Current: €888 EUR|Low: €398 EUR|High: €892 EUR|Avg: €572 EUR|+16.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2€398 EUR
Retailer 3€421 EUR
Retailer 9€448 EUR
Retailer 5€469 EUR
Retailer 11€508 EUR
Retailer 8€536 EUR
Retailer 10€550 EUR
Retailer 6€595 EUR
Retailer 7€606 EUR
Retailer 4€773 EUR
MOH London€888 EUR

30 data points across 11 retailers

11 retailers€398 EUR to €888 EUR

A
Cheapest Retailer
-
€398 EUR
$445 USD
A
Retailer 2
-
€421 EUR
$470 USD
View
A
Retailer 3
-
€448 EUR
$501 USD
View
B+
Retailer 4
-
€469 EUR
£413 GBP
View
B+
Retailer 5
-
€508 EUR
$568 USD
View
B+
Retailer 6
-
€536 EUR
£471 GBP
View
B+
Retailer 7
-
€550 EUR
$614 USD
View
B+
Retailer 8
-
€595 EUR
View
B+
Retailer 9
-
€606 EUR
ZAR 10,940 ZAR
View
B
Retailer 10
-
€773 EUR
£680 GBP
View
Most Expensive
B
MOH London
0AB137A9B · Oct 29
€888 EUR
£781 GBP
View
10 more retailers have this diamond
Prices start from €398 EURSave up to €489 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
€398 EUR