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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 $609 SGD
As of October 31, 2026
Save $844 SGD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,454 SGD 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 $609 to $1,454, a $844 spread on the same certified stone. Queensmith lists it at $1,454. 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: $1,454 SGD|Low: $609 SGD|High: $1,562 SGD|Avg: $987 SGD|-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$609 SGD
Retailer 2$777 SGD
Retailer 7$790 SGD
Retailer 9$842 SGD
Retailer 10$852 SGD
Retailer 11$876 SGD
Retailer 5$935 SGD
Retailer 6$964 SGD
Retailer 3$997 SGD
Retailer 4$1,436 SGD
Queensmith$1,454 SGD

35 data points across 11 retailers

11 retailers$609 SGD to $1,454 SGD

A
Cheapest Retailer
-
$609 SGD
B+
Retailer 2
-
$777 SGD
£478 GBP
View
B+
Retailer 3
-
$790 SGD
$618 USD
View
B+
Retailer 4
-
$842 SGD
$658 USD
View
B+
Retailer 5
-
$852 SGD
£525 GBP
View
B+
Retailer 6
-
$876 SGD
$685 USD
View
B
Retailer 7
-
$935 SGD
€696 EUR
View
B
Retailer 8
-
$964 SGD
ZAR 12,181 ZAR
View
Retailer 9
-
$997 SGD
A$1,199 AUD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$1,436 SGD
£884 GBP
View
Most Expensive
B
Queensmith
6551405799 · Oct 28
$1,454 SGD
£895 GBP
View
10 more retailers have this diamond
Prices start from $609 SGDSave up to $844 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
0.33ct Cushion
$609 SGD