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Round|Natural|GIA

0.33ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1553571268

Certificate GIA 1553571268

Diamond specifications and retailer prices

From $488 AUD
$343 USD
As of October 31, 2026
Save $1,169 AUD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,657 AUD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 0.33ct natural round diamond

This 0.33ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553571268. Listed at 13 retailers as of October 30, 2026, with prices from $488 to $1,657, a $1,169 spread on the same certified stone. Diamond Exchange Canada lists it at $1,657. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1553571268
Dimensions4.40 × 4.42 × 2.78 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
4.40 mm4.42 mm0.33 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553571268
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 63.1%

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: $1,657 AUD|Low: $320 AUD|High: $1,657 AUD|Avg: $651 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$320 AUD
Retailer 4$397 AUD
Retailer 13$508 AUD
Retailer 11$541 AUD
Retailer 10$622 AUD
Retailer 12$658 AUD
Retailer 3$660 AUD
Retailer 6$698 AUD
Retailer 9$835 AUD
Retailer 7$877 AUD
Retailer 2$1,090 AUD
Retailer 8$1,244 AUD
Diamond Exchange Canada$1,657 AUD

21 data points across 13 retailers

13 retailers$488 AUD to $1,657 AUD

A
Cheapest Retailer
-
$488 AUD
$343 USD
A
Retailer 2
-
$508 AUD
$357 USD
View
A
Retailer 3
-
$541 AUD
$380 USD
View
B+
Retailer 4
-
$575 AUD
View
B+
Retailer 5
-
$622 AUD
$437 USD
View
B+
Retailer 6
-
$658 AUD
$462 USD
View
B+
Retailer 7
-
$660 AUD
$463 USD
View
B
Retailer 8
-
$698 AUD
£386 GBP
View
B
Retailer 9
-
$835 AUD
ZAR 9,475 ZAR
View
B+
Retailer 10
-
$877 AUD
€587 EUR
View
B
Retailer 11
-
$1,090 AUD
£603 GBP
View
B
Retailer 12
-
$1,244 AUD
£688 GBP
View
Most Expensive
B
Diamond Exchange Canada
1996190397 · Oct 30
$1,657 AUD
CA$1,617 CAD
View
12 more retailers have this diamond
Prices start from $488 AUDSave up to $1,169 AUD

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 Round
$488 AUD