Round|Natural|GIA

0.33ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5553544406

Certificate GIA 5553544406

Diamond specifications and retailer prices

From $323 USD
As of November 6, 2026
Save $178 USD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,087 USD at NZ Jewellers · As of September 24, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553544406. Listed at 7 retailers as of November 4, 2026, with a 55% 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553544406
Dimensions4.45 × 4.48 × 2.76 mm
L/W Ratio1.01
Top View
4.45 mm4.48 mm0.33 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553544406
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $323 USD|Low: $307 USD|High: $560 USD|Avg: $419 USD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$323 USD
Retailer 5$347 USD
Retailer 4$426 USD
Retailer 2$436 USD
Retailer 3$501 USD

38 data points across 5 retailers

7 retailers$323 USD to $501 USD

A
Cheapest Retailer
-
$323 USD
B+
Retailer 2
-
$347 USD
View
B
Retailer 3
-
$426 USD
View
B
Retailer 4
-
$436 USD
View
B
Retailer 5
-
$501 USD
View
Retailer 6
-
$1,044 USD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
0906d54b-8cc6-4cfe-b2d2-c46134e9e24e · Sep 24
$1,087 USD
View
Price last confirmed 43 days ago
6 more retailers have this diamond
Prices start from $323 USDSave up to $178 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
$323 USD