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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 €306 EUR
$343 USD
As of October 31, 2026
Save €732 EUR (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,038 EUR at Diamond Exchange Canada · As of November 2, 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 31, 2026, with prices from €306 to €1,038, a €732 spread on the same certified stone. Diamond Exchange Canada lists it at €1,038. 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: €1,038 EUR|Low: €201 EUR|High: €1,038 EUR|Avg: €408 EUR
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€201 EUR
Retailer 4€249 EUR
Retailer 13€318 EUR
Retailer 11€339 EUR
Retailer 10€389 EUR
Retailer 12€412 EUR
Retailer 3€413 EUR
Retailer 6€437 EUR
Retailer 9€523 EUR
Retailer 7€550 EUR
Retailer 2€683 EUR
Retailer 8€779 EUR
Diamond Exchange Canada€1,038 EUR

21 data points across 13 retailers

13 retailers€306 EUR to €1,038 EUR

A
Cheapest Retailer
-
€306 EUR
$343 USD
A
Retailer 2
-
€318 EUR
$357 USD
View
A
Retailer 3
-
€339 EUR
$380 USD
View
B+
Retailer 4
-
€360 EUR
A$621 AUD
View
B+
Retailer 5
-
€389 EUR
$437 USD
View
B+
Retailer 6
-
€412 EUR
$462 USD
View
B+
Retailer 7
-
€413 EUR
$463 USD
View
B
Retailer 8
-
€437 EUR
£386 GBP
View
B
Retailer 9
-
€523 EUR
ZAR 9,475 ZAR
View
B+
Retailer 10
-
€550 EUR
View
B
Retailer 11
-
€683 EUR
£603 GBP
View
B
Retailer 12
-
€779 EUR
£688 GBP
View
Most Expensive
B
Diamond Exchange Canada
1996190397 · Nov 2
€1,038 EUR
CA$1,617 CAD
View
12 more retailers have this diamond
Prices start from €306 EURSave up to €732 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 Round
€306 EUR