Round|Natural|GIA

0.33ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2554619380

Certificate GIA 2554619380

Diamond specifications and retailer prices

From $392 USD
As of October 28, 2026
Save $688 USD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,593 USD 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
Color
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 28
Current: $1,593 USD|Low: $343 USD|High: $1,593 USD|Avg: $609 USD
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
October 31, 2026
Retailer 5$343 USD
Retailer 16$377 USD
Retailer 6$385 USD
Retailer 4$392 USD
Retailer 13$406 USD
Retailer 8$445 USD
Retailer 15$496 USD
Retailer 3$507 USD
Retailer 7$507 USD
Retailer 2$512 USD
Retailer 14$563 USD
Retailer 10$671 USD
Retailer 9$858 USD
Retailer 11$965 USD
Retailer 12$1,080 USD
NZ Jewellers$1,593 USD

27 data points across 16 retailers

16 retailers$392 USD to $1,080 USD

Retailer 1
-
$377 USD
Price last confirmed 22 days ago
Retailer 2
-
$377 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$392 USD
View
Retailer 4
-
$406 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$484 USD
View
B+
Retailer 6
-
$496 USD
View
Retailer 7
-
$507 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$507 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$512 USD
£403 GBP
View
B+
Retailer 10
-
$563 USD
View
B
Retailer 11
-
$671 USD
€639 EUR
View
B
Retailer 12
-
$858 USD
£675 GBP
View
B
Retailer 13
-
$965 USD
£760 GBP
View
B
Retailer 14
-
$1,080 USD
£850 GBP
View
Retailer 15
-
$1,593 USD
View
Price under review
Most Expensive
NZ Jewellers
5f8d35a8-f971-4215-8fb9-98f893d15113 · Oct 20
$1,593 USD
View
Price under review
15 more retailers have this diamond
Prices start from $392 USDSave up to $688 USD

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
$392 USD