CaratHunter
Plans
Round|Natural|GIA

0.33ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1553571268

Certificate GIA 1553571268

Diamond specifications and retailer prices

From £256 GBP
$343 USD
As of October 31, 2026
Save £613 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £869 GBP 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 £256 to £869, a £613 spread on the same certified stone. Diamond Exchange Canada lists it at £869. 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: £869 GBP|Low: £168 GBP|High: £869 GBP|Avg: £341 GBP
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£168 GBP
Retailer 4£208 GBP
Retailer 13£266 GBP
Retailer 11£284 GBP
Retailer 10£326 GBP
Retailer 12£345 GBP
Retailer 3£346 GBP
Retailer 2£366 GBP
Retailer 9£438 GBP
Retailer 6£460 GBP
Retailer 7£571 GBP
Retailer 8£652 GBP
Diamond Exchange Canada£869 GBP

21 data points across 13 retailers

13 retailers£256 GBP to £869 GBP

A
Cheapest Retailer
-
£256 GBP
$343 USD
A
Retailer 2
-
£266 GBP
$357 USD
View
A
Retailer 3
-
£284 GBP
$380 USD
View
B+
Retailer 4
-
£301 GBP
A$621 AUD
View
B+
Retailer 5
-
£326 GBP
$437 USD
View
B+
Retailer 6
-
£345 GBP
$462 USD
View
B+
Retailer 7
-
£346 GBP
$463 USD
View
B
Retailer 8
-
£366 GBP
View
B
Retailer 9
-
£438 GBP
ZAR 9,475 ZAR
View
B+
Retailer 10
-
£460 GBP
€587 EUR
View
B
Retailer 11
-
£571 GBP
View
B
Retailer 12
-
£652 GBP
View
Most Expensive
B
Diamond Exchange Canada
1996190397 · Oct 30
£869 GBP
CA$1,617 CAD
View
12 more retailers have this diamond
Prices start from £256 GBPSave up to £613 GBP

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
£256 GBP