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Heart|Natural|GIA

0.33ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6551020401

Certificate GIA 6551020401

Diamond specifications and retailer prices

From $371 AUD
$260 USD
As of November 2, 2026
Save $210 AUD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $581 AUD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 0.33ct natural heart diamond

This 0.33ct natural heart sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551020401. Listed at 8 retailers as of November 2, 2026, with prices from $371 to $581, a $210 spread on the same certified stone. The Diamond Guys lists it at $581. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.41°
Pavilion angle38.92°
OriginNatural
Grading LabGIA
CertificateGIA 6551020401
Dimensions4.14 × 4.83 × 2.84 mm
L/W Ratio1.17
Top View
4.14 mm4.83 mm0.33 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551020401
Side View
Table 60.0%Crown 35.41°Girdle: THN-THKPavilion 38.92°Culet: NoneDepth 58.8%

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 2
Current: $507 AUD|Low: $371 AUD|High: $624 AUD|Avg: $492 AUD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 4$371 AUD
Retailer 6$385 AUD
Retailer 5$420 AUD
Retailer 3$495 AUD
Retailer 2$501 AUD
Retailer 1$507 AUD
Retailer 7$577 AUD

40 data points across 7 retailers

8 retailers$371 AUD to $581 AUD

A
Cheapest Retailer
-
$371 AUD
$260 USD
A
Retailer 2
-
$385 AUD
SGD 365 SGD
View
A
Retailer 3
-
$420 AUD
SGD 398 SGD
View
A
Retailer 4
-
$495 AUD
£273 GBP
View
A
Retailer 5
-
$501 AUD
$351 USD
View
A
Retailer 6
-
$507 AUD
£280 GBP
View
B+
Retailer 7
-
$577 AUD
$404 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
The Diamond Guys
1939163839 · Nov 2
$581 AUD
$407 USD
View
7 more retailers have this diamond
Prices start from $371 AUDSave up to $210 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 Heart
$371 AUD