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0.33ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1553571268

Certificate GIA 1553571268

Diamond specifications and retailer prices

From $610 NZD
$343 USD
As of October 31, 2026
Save $1,460 NZD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,069 NZD 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 $610 to $2,069, a $1,460 spread on the same certified stone. Diamond Exchange Canada lists it at $2,069. 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: $2,069 NZD|Low: $400 NZD|High: $2,069 NZD|Avg: $813 NZD
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$400 NZD
Retailer 4$496 NZD
Retailer 13$634 NZD
Retailer 11$675 NZD
Retailer 10$776 NZD
Retailer 12$821 NZD
Retailer 3$823 NZD
Retailer 6$872 NZD
Retailer 9$1,042 NZD
Retailer 7$1,095 NZD
Retailer 2$1,361 NZD
Retailer 8$1,553 NZD
Diamond Exchange Canada$2,069 NZD

21 data points across 13 retailers

13 retailers$610 NZD to $2,069 NZD

A
Cheapest Retailer
-
$610 NZD
$343 USD
A
Retailer 2
-
$634 NZD
$357 USD
View
A
Retailer 3
-
$675 NZD
$380 USD
View
B+
Retailer 4
-
$717 NZD
A$621 AUD
View
B+
Retailer 5
-
$776 NZD
$437 USD
View
B+
Retailer 6
-
$821 NZD
$462 USD
View
B+
Retailer 7
-
$823 NZD
$463 USD
View
B
Retailer 8
-
$872 NZD
£386 GBP
View
B
Retailer 9
-
$1,042 NZD
ZAR 9,475 ZAR
View
B+
Retailer 10
-
$1,095 NZD
€587 EUR
View
B
Retailer 11
-
$1,361 NZD
£603 GBP
View
B
Retailer 12
-
$1,553 NZD
£688 GBP
View
Most Expensive
B
Diamond Exchange Canada
1996190397 · Oct 30
$2,069 NZD
CA$1,617 CAD
View
12 more retailers have this diamond
Prices start from $610 NZDSave up to $1,460 NZD

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
$610 NZD