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Round|Natural|GIA

0.33ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566031436

Certificate GIA 2566031436

Diamond specifications and retailer prices

From $300 AUD
₹20,037 INR
As of November 1, 2026
Save $682 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,925 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2566031436. Listed at 14 retailers as of November 1, 2026, with a 228% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566031436
Dimensions4.43 × 4.45 × 2.73 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather
Top View
4.43 mm4.45 mm0.33 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566031436
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Nov 1
Current: $1,925 AUD|Low: $299 AUD|High: $1,940 AUD|Avg: $711 AUD|+15.3%
NZ Jewellers
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 1, 2026
Retailer 6$300 AUD
Retailer 5$364 AUD
Retailer 12$426 AUD
Retailer 11$448 AUD
Retailer 3$474 AUD
Retailer 9$542 AUD
Retailer 13$643 AUD
Retailer 10$671 AUD
Retailer 4$698 AUD
Retailer 2$709 AUD
Retailer 7$860 AUD
Retailer 8$982 AUD
NZ Jewellers$1,925 AUD

31 data points across 13 retailers

14 retailers$300 AUD to $982 AUD

A
Cheapest Retailer
-
$300 AUD
₹20,037 INR
A
Retailer 2
-
$364 AUD
HK$2,000 HKD
View
A
Retailer 3
-
$426 AUD
$299 USD
View
A
Retailer 4
-
$448 AUD
SGD 425 SGD
View
A
Retailer 5
-
$474 AUD
$333 USD
View
A
Retailer 6
-
$483 AUD
View
A
Retailer 7
-
$542 AUD
$381 USD
View
B+
Retailer 8
-
$643 AUD
$452 USD
View
B+
Retailer 9
-
$671 AUD
$471 USD
View
Retailer 10
-
$698 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$709 AUD
€474 EUR
View
B+
Retailer 12
-
$860 AUD
£476 GBP
View
B
Retailer 13
-
$982 AUD
£543 GBP
View
Most Expensive
NZ Jewellers
e2af94fb-1c63-456b-9dda-f59734847e75 · Oct 30
$1,925 AUD
$1,352 USD
View
Price under review
13 more retailers have this diamond
Prices start from $300 AUDSave up to $682 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
$300 AUD