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Marquise|Natural|GIA

1.00ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 3565197542

Certificate GIA 3565197542

Diamond specifications and retailer prices

From $3,982 AUD
As of October 28, 2026
Save $4,144 AUD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,126 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565197542. Listed at 17 retailers as of October 28, 2026, with prices from $3,982 to $8,126, a $4,144 spread on the same certified stone. NZ Jewellers lists it at $8,126. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565197542
Dimensions9.76 × 5.18 × 3.31 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.76 mm5.18 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565197542
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.9%

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: Oct 28
Current: $8,126 AUD|Low: $3,982 AUD|High: $8,238 AUD|Avg: $5,121 AUD|-1.4%
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 4, 2026
Retailer 8$3,982 AUD
Retailer 16$4,141 AUD
Retailer 2$4,217 AUD
Retailer 6$4,304 AUD
Retailer 5$4,518 AUD
Retailer 11$4,535 AUD
Retailer 7$4,664 AUD
Retailer 13$4,665 AUD
Retailer 10$4,818 AUD
Retailer 14$4,844 AUD
Retailer 3$4,870 AUD
Retailer 9$5,374 AUD
Retailer 12$5,438 AUD
Retailer 4$5,732 AUD
Retailer 15$7,801 AUD
NZ Jewellers$8,126 AUD

23 data points across 16 retailers

17 retailers$3,982 AUD to $8,126 AUD

A
Cheapest Retailer
-
$3,982 AUD
A
Retailer 2
-
$4,141 AUD
View
A
Retailer 3
-
$4,217 AUD
View
B+
Retailer 4
-
$4,304 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,518 AUD
View
B+
Retailer 6
-
$4,535 AUD
View
B+
Retailer 7
-
$4,664 AUD
View
B+
Retailer 8
-
$4,665 AUD
View
B+
Retailer 9
-
$4,818 AUD
View
B+
Retailer 10
-
$4,844 AUD
View
B+
Retailer 11
-
$4,870 AUD
View
Retailer 12
-
$5,166 AUD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
$5,374 AUD
View
B+
Retailer 14
-
$5,438 AUD
View
B
Retailer 15
-
$5,732 AUD
View
B
Retailer 16
-
$7,801 AUD
View
Most Expensive
B
NZ Jewellers
77cfa591-abaa-43a3-a433-3f7ddc0cdaa1 · Nov 3
$8,126 AUD
$5,675 USD
View
16 more retailers have this diamond
Prices start from $3,982 AUDSave up to $4,144 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
$3,982 AUD