CaratHunter
Plans
Marquise|Natural|GIA

0.30ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6552330160

Certificate GIA 6552330160

Diamond specifications and retailer prices

From $616 AUD
$432 USD
As of October 29, 2026
Save $486 AUD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,258 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552330160. Listed at 11 retailers as of October 29, 2026, with a 79% 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

0.30
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552330160
Dimensions6.65 × 3.50 × 2.18 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot
Top View
6.65 mm3.50 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552330160
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,258 AUD|Low: $599 AUD|High: $2,135 AUD|Avg: $948 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$616 AUD
Retailer 5$642 AUD
Retailer 4$727 AUD
Retailer 3$763 AUD
Retailer 6$771 AUD
Retailer 9$857 AUD
Retailer 7$1,013 AUD
Retailer 2$1,102 AUD
MOH London$1,258 AUD
Retailer 8$2,135 AUD

27 data points across 10 retailers

11 retailers$616 AUD to $1,102 AUD

B+
Cheapest Retailer
-
$616 AUD
$432 USD
B+
Retailer 2
-
$642 AUD
$450 USD
View
B
Retailer 3
-
$727 AUD
£401 GBP
View
B
Retailer 4
-
$763 AUD
£421 GBP
View
B
Retailer 5
-
$771 AUD
$541 USD
View
B
Retailer 6
-
$857 AUD
ZAR 9,702 ZAR
View
Retailer 7
-
$878 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$1,013 AUD
€676 EUR
View
B
Retailer 9
-
$1,102 AUD
£608 GBP
View
Most Expensive
MOH London
13E960722 · Nov 1
$1,258 AUD
£694 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $616 AUDSave up to $486 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.

B+
0.30ct Marquise
$616 AUD