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Marquise|Natural|GIA

1.00ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6561588415

Certificate GIA 6561588415

Diamond specifications and retailer prices

From $3,203 AUD
As of November 6, 2026
Save $5,717 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,920 AUD at NZ Jewellers · As of November 3, 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 6561588415. Listed at 18 retailers as of November 3, 2026, with prices from $3,203 to $8,920, a $5,717 spread on the same certified stone. NZ Jewellers lists it at $8,920. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561588415
Dimensions10.07 × 5.26 × 3.17 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Knot, Needle, Natural
Top View
10.07 mm5.26 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561588415
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.3%

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: $8,920 AUD|Low: $3,184 AUD|High: $8,920 AUD|Avg: $4,840 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
Retailer 17
Retailer 18
November 5, 2026
Retailer 16$3,203 AUD
Retailer 13$3,356 AUD
Retailer 6$3,915 AUD
Retailer 10$3,921 AUD
Retailer 8$3,938 AUD
Retailer 14$4,212 AUD
Retailer 4$4,267 AUD
Retailer 18$4,267 AUD
Retailer 12$4,430 AUD
Retailer 9$4,467 AUD
Retailer 7$4,472 AUD
Retailer 2$4,516 AUD
Retailer 5$4,614 AUD
Retailer 3$4,924 AUD
Retailer 15$4,973 AUD
Retailer 11$7,115 AUD
Retailer 17$7,421 AUD
NZ Jewellers$8,920 AUD

21 data points across 18 retailers

18 retailers$3,203 AUD to $8,920 AUD

A
Cheapest Retailer
-
$3,203 AUD
A
Retailer 2
-
$3,356 AUD
View
A
Retailer 3
-
$3,915 AUD
View
A
Retailer 4
-
$3,921 AUD
View
A
Retailer 5
-
$3,938 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,212 AUD
View
Retailer 7
-
$4,267 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,267 AUD
View
B+
Retailer 9
-
$4,430 AUD
View
Retailer 10
-
$4,467 AUD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$4,472 AUD
View
B+
Retailer 12
-
$4,516 AUD
View
B+
Retailer 13
-
$4,614 AUD
View
B+
Retailer 14
-
$4,924 AUD
View
B+
Retailer 15
-
$4,973 AUD
View
B
Retailer 16
-
$7,115 AUD
View
Retailer 17
-
$7,421 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
3751589d-d0c5-438c-94ed-78fe15950cb1 · Nov 3
$8,920 AUD
$6,129 USD
View
17 more retailers have this diamond
Prices start from $3,203 AUDSave up to $5,717 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
$3,203 AUD