Marquise|Natural|GIA

1.20ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6561495233

Certificate GIA 6561495233

Diamond specifications and retailer prices

From $5,595 AUD
As of November 6, 2026
Save $7,053 AUD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,647 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct 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 6561495233. Listed at 15 retailers as of November 5, 2026, with prices from $5,595 to $12,647, a $7,053 spread on the same certified stone. NZ Jewellers lists it at $12,647. 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

1.20
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561495233
Dimensions12.42 × 5.29 × 3.00 mm
L/W Ratio2.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
12.42 mm5.29 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561495233
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,647 AUD|Low: $5,595 AUD|High: $12,647 AUD|Avg: $7,809 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
November 7, 2026
Retailer 12$5,595 AUD
Retailer 8$5,976 AUD
Retailer 9$6,197 AUD
Retailer 3$6,596 AUD
Retailer 10$6,670 AUD
Retailer 13$7,379 AUD
Retailer 2$7,417 AUD
Retailer 5$7,562 AUD
Retailer 7$7,562 AUD
Retailer 11$7,714 AUD
Retailer 6$7,783 AUD
Retailer 14$8,032 AUD
Retailer 15$8,660 AUD
Retailer 4$12,011 AUD
NZ Jewellers$12,647 AUD

8 data points across 15 retailers

15 retailers$5,595 AUD to $12,647 AUD

A
Cheapest Retailer
-
$5,595 AUD
B+
Retailer 2
-
$5,976 AUD
View
Final sale: no returns
B+
Retailer 3
-
$6,197 AUD
View
B+
Retailer 4
-
$6,596 AUD
View
B+
Retailer 5
-
$6,670 AUD
View
B+
Retailer 6
-
$7,379 AUD
View
B+
Retailer 7
-
$7,417 AUD
View
B
Retailer 8
-
$7,562 AUD
View
B
Retailer 9
-
$7,562 AUD
View
B+
Retailer 10
-
$7,714 AUD
View
B
Retailer 11
-
$7,783 AUD
View
B
Retailer 12
-
$8,032 AUD
View
B
Retailer 13
-
$8,660 AUD
View
B
Retailer 14
-
$12,011 AUD
View
Most Expensive
B
NZ Jewellers
63ccc911-455e-498f-a359-278ae90f3113 · Nov 5
$12,647 AUD
$8,690 USD
View
14 more retailers have this diamond
Prices start from $5,595 AUDSave up to $7,053 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
1.20ct Marquise
$5,595 AUD