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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 €410 EUR
$460 USD
As of November 1, 2026
Save €517 EUR (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €927 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 €410 to €927, a €517 spread on the same certified stone. MOH London lists it at €927. 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
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: €927 EUR|Low: €410 EUR|High: €932 EUR|Avg: €612 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3€410 EUR
Retailer 2€499 EUR
Retailer 6€530 EUR
Retailer 5€550 EUR
Retailer 4€609 EUR
MOH London€927 EUR

9 data points across 6 retailers

6 retailers€410 EUR to €927 EUR

A
Cheapest Retailer
-
€410 EUR
$460 USD
B+
Retailer 2
-
€499 EUR
£441 GBP
View
B+
Retailer 3
-
€530 EUR
$595 USD
View
B+
Retailer 4
-
€550 EUR
£486 GBP
View
B+
Retailer 5
-
€609 EUR
View
Most Expensive
B
MOH London
40E259C99 · Nov 1
€927 EUR
£819 GBP
View
5 more retailers have this diamond
Prices start from €410 EURSave up to €517 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
€410 EUR