CaratHunter
Plans
Cushion|Natural|GIA

0.31ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6552935899

Certificate GIA 6552935899

Diamond specifications and retailer prices

From $335 USD
SGD 453 SGD
As of October 27, 2026
Save $403 USD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $738 USD 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552935899. Listed at 8 retailers as of October 27, 2026, with prices from $335 to $738, a $403 spread on the same certified stone. MOH London lists it at $738. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552935899
Dimensions4.58 × 3.43 × 2.40 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal
Top View
4.58 mm3.43 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 6552935899
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.0%

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: Oct 27
Current: $738 USD|Low: $335 USD|High: $743 USD|Avg: $456 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$335 USD
Retailer 5$342 USD
Retailer 6$367 USD
Retailer 3$409 USD
Retailer 4$436 USD
Retailer 8$448 USD
Retailer 2$537 USD
MOH London$738 USD

44 data points across 8 retailers

8 retailers$335 USD to $738 USD

A
Cheapest Retailer
-
$335 USD
SGD 453 SGD
A
Retailer 2
-
$342 USD
View
A
Retailer 3
-
$367 USD
View
B+
Retailer 4
-
$409 USD
£322 GBP
View
B+
Retailer 5
-
$436 USD
£343 GBP
View
B+
Retailer 6
-
$448 USD
View
B+
Retailer 7
-
$537 USD
€511 EUR
View
Most Expensive
B
MOH London
0D6EF4132 · Oct 29
$738 USD
£581 GBP
View
7 more retailers have this diamond
Prices start from $335 USDSave up to $403 USD

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
$335 USD