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Cushion|Natural|GIA

0.33ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6551405799

Certificate GIA 6551405799

Diamond specifications and retailer prices

From €425 EUR
SGD 644 SGD
As of October 31, 2026
Save €589 EUR (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,013 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.33ct natural cushion diamond

This 0.33ct 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 6551405799. Listed at 11 retailers as of October 28, 2026, with prices from €425 to €1,013, a €589 spread on the same certified stone. Queensmith lists it at €1,013. 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

0.33
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551405799
Dimensions3.87 × 3.88 × 2.59 mm
L/W Ratio1.00
Top View
3.87 mm3.88 mm0.33 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551405799
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 66.8%

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: €1,013 EUR|Low: €425 EUR|High: €1,089 EUR|Avg: €688 EUR|-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€425 EUR
Retailer 2€542 EUR
Retailer 7€551 EUR
Retailer 9€587 EUR
Retailer 10€594 EUR
Retailer 11€611 EUR
Retailer 5€652 EUR
Retailer 6€672 EUR
Retailer 3€695 EUR
Retailer 4€1,001 EUR
Queensmith€1,013 EUR

35 data points across 11 retailers

11 retailers€425 EUR to €1,013 EUR

A
Cheapest Retailer
-
€425 EUR
SGD 644 SGD
B+
Retailer 2
-
€542 EUR
£478 GBP
View
B+
Retailer 3
-
€551 EUR
$618 USD
View
B+
Retailer 4
-
€587 EUR
$658 USD
View
B+
Retailer 5
-
€594 EUR
£525 GBP
View
B+
Retailer 6
-
€611 EUR
$685 USD
View
B
Retailer 7
-
€652 EUR
View
B
Retailer 8
-
€672 EUR
ZAR 12,181 ZAR
View
Retailer 9
-
€695 EUR
A$1,199 AUD
View
Price last confirmed 30 days ago
B
Retailer 10
-
€1,001 EUR
£884 GBP
View
Most Expensive
B
Queensmith
6551405799 · Oct 28
€1,013 EUR
£895 GBP
View
10 more retailers have this diamond
Prices start from €425 EURSave up to €589 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
0.33ct Cushion
€425 EUR