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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 $438 SGD
$343 USD
As of October 31, 2026
Save $1,050 SGD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,488 SGD 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 $438 to $1,488, a $1,050 spread on the same certified stone. Diamond Exchange Canada lists it at $1,488. 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: $1,488 SGD|Low: $288 SGD|High: $1,488 SGD|Avg: $585 SGD
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$288 SGD
Retailer 4$357 SGD
Retailer 13$456 SGD
Retailer 11$486 SGD
Retailer 10$558 SGD
Retailer 12$591 SGD
Retailer 3$592 SGD
Retailer 6$627 SGD
Retailer 9$750 SGD
Retailer 7$788 SGD
Retailer 2$979 SGD
Retailer 8$1,117 SGD
Diamond Exchange Canada$1,488 SGD

21 data points across 13 retailers

13 retailers$438 SGD to $1,488 SGD

A
Cheapest Retailer
-
$438 SGD
$343 USD
A
Retailer 2
-
$456 SGD
$357 USD
View
A
Retailer 3
-
$486 SGD
$380 USD
View
B+
Retailer 4
-
$516 SGD
A$621 AUD
View
B+
Retailer 5
-
$558 SGD
$437 USD
View
B+
Retailer 6
-
$591 SGD
$462 USD
View
B+
Retailer 7
-
$592 SGD
$463 USD
View
B
Retailer 8
-
$627 SGD
£386 GBP
View
B
Retailer 9
-
$750 SGD
ZAR 9,475 ZAR
View
B+
Retailer 10
-
$788 SGD
€587 EUR
View
B
Retailer 11
-
$979 SGD
£603 GBP
View
B
Retailer 12
-
$1,117 SGD
£688 GBP
View
Most Expensive
B
Diamond Exchange Canada
1996190397 · Oct 30
$1,488 SGD
CA$1,617 CAD
View
12 more retailers have this diamond
Prices start from $438 SGDSave up to $1,050 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 Round
$438 SGD