Cushion|Natural|GIA

0.31ct G SI1 Cushion Natural Diamond

GD • G/SI1 • GIA 6521420091

Certificate GIA 6521420091

Diamond specifications and retailer prices

From €315 EUR
SGD 476 SGD
As of October 27, 2026
Save €357 EUR (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €672 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6521420091. Listed at 9 retailers as of October 27, 2026, with prices from €315 to €672, a €357 spread on the same certified stone. MOH London lists it at €672. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
G
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6521420091
Dimensions4.50 × 3.62 × 2.48 mm
L/W Ratio1.24
Top View
4.50 mm3.62 mm0.31 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6521420091
Side View
Table 51.0%CrownGirdle: ThickPavilionCulet: SmallDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €672 EUR|Low: €299 EUR|High: €685 EUR|Avg: €445 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€299 EUR
Retailer 6€315 EUR
Retailer 2€374 EUR
Retailer 7€397 EUR
Retailer 5€398 EUR
Retailer 4€451 EUR
Retailer 8€468 EUR
Retailer 3€545 EUR
MOH London€672 EUR

45 data points across 9 retailers

9 retailers€315 EUR to €672 EUR

Retailer 1
-
€299 EUR
$334 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
€315 EUR
SGD 476 SGD
View
B+
Retailer 3
-
€374 EUR
£329 GBP
View
B+
Retailer 4
-
€397 EUR
$444 USD
View
B+
Retailer 5
-
€398 EUR
£351 GBP
View
B
Retailer 6
-
€451 EUR
ZAR 8,135 ZAR
View
Retailer 7
-
€468 EUR
A$804 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
€545 EUR
View
Most Expensive
B
MOH London
0BA2B6DE0 · Nov 1
€672 EUR
£591 GBP
View
8 more retailers have this diamond
Prices start from €315 EURSave up to €357 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.

B+
0.31ct Cushion
€315 EUR