CaratHunter
Plans
Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5556389494

Certificate GIA 5556389494

Diamond specifications and retailer prices

From €397 EUR
$445 USD
As of November 1, 2026
Save €488 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €884 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 €397 to €884, a €488 spread on the same certified stone. MOH London lists it at €884. 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
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: €884 EUR|Low: €397 EUR|High: €889 EUR|Avg: €569 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 2, 2026
Retailer 6€397 EUR
Retailer 3€419 EUR
Retailer 9€447 EUR
Retailer 5€471 EUR
Retailer 11€506 EUR
Retailer 8€534 EUR
Retailer 10€547 EUR
Retailer 4€592 EUR
Retailer 7€604 EUR
Retailer 2€770 EUR
MOH London€884 EUR

31 data points across 11 retailers

11 retailers€397 EUR to €884 EUR

A
Cheapest Retailer
-
€397 EUR
$445 USD
A
Retailer 2
-
€419 EUR
$470 USD
View
A
Retailer 3
-
€447 EUR
$501 USD
View
B+
Retailer 4
-
€471 EUR
£416 GBP
View
B+
Retailer 5
-
€506 EUR
$568 USD
View
B+
Retailer 6
-
€534 EUR
£471 GBP
View
B+
Retailer 7
-
€547 EUR
$614 USD
View
B+
Retailer 8
-
€592 EUR
View
B+
Retailer 9
-
€604 EUR
ZAR 10,940 ZAR
View
B
Retailer 10
-
€770 EUR
£680 GBP
View
Most Expensive
B
MOH London
0AB137A9B · Oct 29
€884 EUR
£781 GBP
View
10 more retailers have this diamond
Prices start from €397 EURSave up to €488 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
€397 EUR