CaratHunter
Plans
Cushion|Natural|GIA

0.31ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552118613

Certificate GIA 6552118613

Diamond specifications and retailer prices

From $530 SGD
As of October 27, 2026
Save $636 SGD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,166 SGD at MOH London · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552118613. Listed at 12 retailers as of October 27, 2026, with prices from $530 to $1,166, a $636 spread on the same certified stone. MOH London lists it at $1,166. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552118613
Dimensions5.24 × 3.42 × 2.30 mm
L/W Ratio1.53
Top View
5.24 mm3.42 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6552118613
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.3%

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: $1,166 SGD|Low: $544 SGD|High: $1,179 SGD|Avg: $846 SGD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 7$544 SGD
Retailer 2$659 SGD
Retailer 6$692 SGD
Retailer 5$782 SGD
Retailer 8$808 SGD
Retailer 4$917 SGD
Retailer 3$1,021 SGD
MOH London$1,166 SGD

39 data points across 8 retailers

12 retailers$530 SGD to $1,166 SGD

A
Cheapest Retailer
-
$530 SGD
A
Retailer 2
-
$544 SGD
$425 USD
View
B+
Retailer 3
-
$582 SGD
$455 USD
View
B+
Retailer 4
-
$659 SGD
£406 GBP
View
B+
Retailer 5
-
$672 SGD
$525 USD
View
B+
Retailer 6
-
$683 SGD
$534 USD
View
B+
Retailer 7
-
$692 SGD
£426 GBP
View
B+
Retailer 8
-
$782 SGD
ZAR 9,884 ZAR
View
Retailer 9
-
$808 SGD
A$972 AUD
View
Price last confirmed 30 days ago
B
Retailer 10
-
$917 SGD
€683 EUR
View
B
Retailer 11
-
$1,021 SGD
£629 GBP
View
Most Expensive
B
MOH London
28A45359A · Nov 2
$1,166 SGD
£718 GBP
View
11 more retailers have this diamond
Prices start from $530 SGDSave up to $636 SGD

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
$530 SGD