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Marquise|Natural|GIA

1.00ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2566164747

Certificate GIA 2566164747

Diamond specifications and retailer prices

From $3,409 AUD
As of November 6, 2026
Save $4,490 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,898 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 2566164747. Listed at 13 retailers as of November 5, 2026, with prices from $3,409 to $7,898, a $4,490 spread on the same certified stone. NZ Jewellers lists it at $7,898. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566164747
Dimensions10.10 × 5.18 × 3.24 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
10.10 mm5.18 mm1.00 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566164747
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 62.6%

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 6
Current: $7,898 AUD|Low: $3,382 AUD|High: $7,977 AUD|Avg: $4,881 AUD|-0.8%
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
November 6, 2026
Retailer 8$3,409 AUD
Retailer 2$3,411 AUD
Retailer 9$3,973 AUD
Retailer 3$4,184 AUD
Retailer 4$4,263 AUD
Retailer 6$4,458 AUD
Retailer 11$4,534 AUD
Retailer 10$4,708 AUD
Retailer 13$4,749 AUD
Retailer 12$4,865 AUD
Retailer 5$5,231 AUD
Retailer 7$7,561 AUD
NZ Jewellers$7,898 AUD

38 data points across 13 retailers

13 retailers$3,409 AUD to $7,898 AUD

A
Cheapest Retailer
-
$3,409 AUD
A
Retailer 2
-
$3,411 AUD
View
Retailer 3
-
$3,973 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,184 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,263 AUD
View
B+
Retailer 6
-
$4,458 AUD
View
B+
Retailer 7
-
$4,534 AUD
View
B+
Retailer 8
-
$4,708 AUD
View
Retailer 9
-
$4,749 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$4,865 AUD
View
B+
Retailer 11
-
$5,231 AUD
View
B
Retailer 12
-
$7,561 AUD
View
Most Expensive
B
NZ Jewellers
9ad33332-9428-4058-956d-41d16507bde1 · Nov 5
$7,898 AUD
$5,427 USD
View
12 more retailers have this diamond
Prices start from $3,409 AUDSave up to $4,490 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
$3,409 AUD