Round|Natural|GIA

0.33ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2554619380

Certificate GIA 2554619380

Diamond specifications and retailer prices

From $558 AUD
$392 USD
As of October 31, 2026
Save $979 AUD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,268 AUD at NZ Jewellers · As of October 20, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554619380. Listed at 16 retailers as of October 28, 2026, with a 175% 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554619380
Dimensions4.43 × 4.45 × 2.78 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.43 mm4.45 mm0.33 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554619380
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: $2,268 AUD|Low: $488 AUD|High: $2,268 AUD|Avg: $872 AUD
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 5$488 AUD
Retailer 16$537 AUD
Retailer 6$548 AUD
Retailer 4$558 AUD
Retailer 13$578 AUD
Retailer 8$634 AUD
Retailer 15$706 AUD
Retailer 3$722 AUD
Retailer 7$722 AUD
Retailer 11$729 AUD
Retailer 14$801 AUD
Retailer 2$948 AUD
Retailer 9$1,217 AUD
Retailer 10$1,367 AUD
Retailer 12$1,537 AUD
NZ Jewellers$2,268 AUD

27 data points across 16 retailers

16 retailers$558 AUD to $1,537 AUD

Retailer 1
-
$537 AUD
$377 USD
Price last confirmed 23 days ago
Retailer 2
-
$537 AUD
$377 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$558 AUD
$392 USD
View
Retailer 4
-
$578 AUD
$406 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$689 AUD
$484 USD
View
B+
Retailer 6
-
$706 AUD
$496 USD
View
Retailer 7
-
$722 AUD
$507 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$722 AUD
$507 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$729 AUD
£403 GBP
View
B+
Retailer 10
-
$801 AUD
$563 USD
View
B
Retailer 11
-
$948 AUD
€634 EUR
View
B
Retailer 12
-
$1,217 AUD
£673 GBP
View
B
Retailer 13
-
$1,367 AUD
£756 GBP
View
B
Retailer 14
-
$1,537 AUD
£850 GBP
View
Retailer 15
-
$2,268 AUD
$1,593 USD
View
Price under review
Most Expensive
NZ Jewellers
5f8d35a8-f971-4215-8fb9-98f893d15113 · Oct 20
$2,268 AUD
$1,593 USD
View
Price under review
15 more retailers have this diamond
Prices start from $558 AUDSave up to $979 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
$558 AUD