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Marquise|Natural|GIA

1.00ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2556673343

Certificate GIA 2556673343

Diamond specifications and retailer prices

From $3,630 AUD
As of November 5, 2026
Save $5,075 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,705 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 2556673343. Listed at 15 retailers as of November 5, 2026, with prices from $3,630 to $8,705, a $5,075 spread on the same certified stone. NZ Jewellers lists it at $8,705. 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

1.00
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556673343
Dimensions9.59 × 5.24 × 3.36 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
9.59 mm5.24 mm1.00 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556673343
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.1%

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 5
Current: $8,705 AUD|Low: $3,630 AUD|High: $8,705 AUD|Avg: $5,286 AUD|+1.0%
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 6, 2026
Retailer 7$3,630 AUD
Retailer 5$3,883 AUD
Retailer 15$3,937 AUD
Retailer 10$4,526 AUD
Retailer 13$4,701 AUD
Retailer 6$4,715 AUD
Retailer 11$4,874 AUD
Retailer 2$4,913 AUD
Retailer 14$5,138 AUD
Retailer 16$5,138 AUD
Retailer 3$5,223 AUD
Retailer 4$5,312 AUD
Retailer 8$5,404 AUD
Retailer 9$5,817 AUD
Retailer 12$8,334 AUD
NZ Jewellers$8,705 AUD

12 data points across 16 retailers

15 retailers$3,630 AUD to $8,705 AUD

A
Cheapest Retailer
-
$3,630 AUD
A
Retailer 2
-
$3,883 AUD
View
A
Retailer 3
-
$3,937 AUD
View
B+
Retailer 4
-
$4,526 AUD
View
B+
Retailer 5
-
$4,701 AUD
View
B+
Retailer 6
-
$4,715 AUD
View
B+
Retailer 7
-
$4,874 AUD
View
B+
Retailer 8
-
$4,913 AUD
View
B+
Retailer 9
-
$5,138 AUD
View
B+
Retailer 10
-
$5,138 AUD
View
B+
Retailer 11
-
$5,223 AUD
View
B+
Retailer 12
-
$5,312 AUD
View
B
Retailer 13
-
$5,817 AUD
View
B
Retailer 14
-
$8,334 AUD
View
Most Expensive
B
NZ Jewellers
3599e241-b50d-4bce-b33a-e540ff3e00e3 · Nov 5
$8,705 AUD
$5,981 USD
View
14 more retailers have this diamond
Prices start from $3,630 AUDSave up to $5,075 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
1.00ct Marquise
$3,630 AUD