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Marquise|Natural|GIA

0.30ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6555483922

Certificate GIA 6555483922

Diamond specifications and retailer prices

From $458 AUD
$321 USD
As of November 1, 2026
Save $308 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $766 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise 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 6555483922. Listed at 6 retailers as of November 1, 2026, with prices from $458 to $766, a $308 spread on the same certified stone. Yorxs lists it at $766. 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

0.30
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
OriginNatural
Grading LabGIA
CertificateGIA 6555483922
Dimensions6.46 × 3.51 × 2.23 mm
L/W Ratio1.84
Culet sizeNone
Key to symbols
Feather
Top View
6.46 mm3.51 mm0.30 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555483922
Side View
Table 59.0%Crown 39.5°Girdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: $594 AUD|Low: $411 AUD|High: $1,796 AUD|Avg: $752 AUD|+5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 2, 2026
Retailer 4$458 AUD
Retailer 5$498 AUD
Retailer 6$503 AUD
Retailer 1$594 AUD
Retailer 3$633 AUD
Yorxs$766 AUD
Retailer 2$1,769 AUD

41 data points across 7 retailers

6 retailers$458 AUD to $766 AUD

A
Cheapest Retailer
-
$458 AUD
$321 USD
B+
Retailer 2
-
$498 AUD
SGD 472 SGD
View
B
Retailer 3
-
$594 AUD
£328 GBP
View
B
Retailer 4
-
$633 AUD
£349 GBP
View
Most Expensive
B
Yorxs
532019970 · Nov 2
$766 AUD
€511 EUR
View
4 more retailers have this diamond
Prices start from $458 AUDSave up to $308 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
0.30ct Marquise
$458 AUD