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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5563718148

Certificate GIA 5563718148

Diamond specifications and retailer prices

From €412 EUR
$460 USD
As of November 1, 2026
Save €519 EUR (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €931 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 5563718148. Listed at 6 retailers as of November 1, 2026, with prices from €412 to €931, a €519 spread on the same certified stone. MOH London lists it at €931. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563718148
Dimensions3.82 × 3.77 × 2.60 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
3.82 mm3.77 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563718148
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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: €931 EUR|Low: €412 EUR|High: €936 EUR|Avg: €618 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2€412 EUR
Retailer 3€497 EUR
Retailer 6€533 EUR
Retailer 5€552 EUR
Retailer 4€611 EUR
MOH London€931 EUR

8 data points across 6 retailers

6 retailers€412 EUR to €931 EUR

A
Cheapest Retailer
-
€412 EUR
$460 USD
B+
Retailer 2
-
€497 EUR
£437 GBP
View
B+
Retailer 3
-
€533 EUR
$595 USD
View
B+
Retailer 4
-
€552 EUR
£486 GBP
View
B+
Retailer 5
-
€611 EUR
View
Most Expensive
B
MOH London
40E259C99 · Nov 1
€931 EUR
£819 GBP
View
5 more retailers have this diamond
Prices start from €412 EURSave up to €519 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
€412 EUR