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Marquise|Natural|GIA

1.30ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2554350435

Certificate GIA 2554350435

Diamond specifications and retailer prices

From $6,755 AUD
As of November 4, 2026
Save $7,545 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,299 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554350435. Listed at 16 retailers as of November 4, 2026, with prices from $6,755 to $14,299, a $7,545 spread on the same certified stone. NZ Jewellers lists it at $14,299. 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

1.30
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.05°
Pavilion angle40.81°
OriginNatural
Grading LabGIA
CertificateGIA 2554350435
Dimensions10.73 × 5.87 × 3.61 mm
L/W Ratio1.83
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Twinning Wisp, Cavity, Needle
Top View
10.73 mm5.87 mm1.30 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554350435
Side View
Table 65.0%Crown 35.05°Girdle: MED-VTKPavilion 40.81°Culet: NoneDepth 61.5%

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 4
Current: $14,299 AUD|Low: $6,755 AUD|High: $14,299 AUD|Avg: $8,618 AUD
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
November 7, 2026
Retailer 16$6,755 AUD
Retailer 5$6,829 AUD
Retailer 6$6,833 AUD
Retailer 11$7,209 AUD
Retailer 8$7,568 AUD
Retailer 14$7,660 AUD
Retailer 3$7,746 AUD
Retailer 4$7,746 AUD
Retailer 15$7,746 AUD
Retailer 2$8,258 AUD
Retailer 10$8,299 AUD
Retailer 9$8,406 AUD
Retailer 7$8,936 AUD
Retailer 13$9,303 AUD
Retailer 12$12,560 AUD
NZ Jewellers$14,299 AUD

19 data points across 16 retailers

16 retailers$6,755 AUD to $14,299 AUD

A
Cheapest Retailer
-
$6,755 AUD
A
Retailer 2
-
$6,829 AUD
View
A
Retailer 3
-
$6,833 AUD
View
A
Retailer 4
-
$7,209 AUD
View
Retailer 5
-
$7,568 AUD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$7,660 AUD
View
Retailer 7
-
$7,746 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$7,746 AUD
View
A
Retailer 9
-
$7,746 AUD
View
A
Retailer 10
-
$8,258 AUD
View
A
Retailer 11
-
$8,299 AUD
View
A
Retailer 12
-
$8,406 AUD
View
B+
Retailer 13
-
$8,936 AUD
View
B+
Retailer 14
-
$9,303 AUD
View
B
Retailer 15
-
$12,560 AUD
View
Most Expensive
B
NZ Jewellers
080e1c63-d11d-40ae-b4c6-12856e20b8b2 · Nov 5
$14,299 AUD
$9,825 USD
View
15 more retailers have this diamond
Prices start from $6,755 AUDSave up to $7,545 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
1.30ct Marquise
$6,755 AUD