CaratHunter
Plans
Cushion|Natural|GIA

0.31ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552407021

Certificate GIA 6552407021

Diamond specifications and retailer prices

From $635 CAD
SGD 614 SGD
As of October 31, 2026
Save $918 CAD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,553 CAD at Queensmith · As of October 28, 2026
View at Queensmith

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 6552407021. Listed at 11 retailers as of October 28, 2026, with prices from $635 to $1,553, a $918 spread on the same certified stone. Queensmith lists it at $1,553. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552407021
Dimensions3.84 × 3.84 × 2.51 mm
L/W Ratio1.00
Top View
3.84 mm3.84 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552407021
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 65.3%

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 31
Current: $1,553 CAD|Low: $635 CAD|High: $1,617 CAD|Avg: $1,034 CAD|-1.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$635 CAD
Retailer 2$799 CAD
Retailer 7$825 CAD
Retailer 10$879 CAD
Retailer 9$885 CAD
Retailer 11$909 CAD
Retailer 5$971 CAD
Retailer 6$995 CAD
Retailer 3$1,096 CAD
Retailer 4$1,482 CAD
Queensmith$1,553 CAD

36 data points across 11 retailers

11 retailers$635 CAD to $1,553 CAD

A
Cheapest Retailer
-
$635 CAD
SGD 614 SGD
B+
Retailer 2
-
$799 CAD
£450 GBP
View
B+
Retailer 3
-
$825 CAD
$590 USD
View
B+
Retailer 4
-
$879 CAD
£496 GBP
View
B+
Retailer 5
-
$885 CAD
$633 USD
View
B+
Retailer 6
-
$909 CAD
$650 USD
View
B
Retailer 7
-
$971 CAD
€662 EUR
View
B
Retailer 8
-
$995 CAD
ZAR 11,502 ZAR
View
Retailer 9
-
$1,096 CAD
A$1,206 AUD
View
Price last confirmed 28 days ago
B
Retailer 10
-
$1,482 CAD
£835 GBP
View
Most Expensive
B
Queensmith
6552407021 · Oct 28
$1,553 CAD
£875 GBP
View
10 more retailers have this diamond
Prices start from $635 CADSave up to $918 CAD

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
$635 CAD