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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6561121500

Certificate GIA 6561121500

Diamond specifications and retailer prices

From $7,009 AUD
As of November 5, 2026
Save $8,951 AUD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,960 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561121500. Listed at 22 retailers as of November 5, 2026, with prices from $7,009 to $15,960, a $8,951 spread on the same certified stone. NZ Jewellers lists it at $15,960. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561121500
Dimensions10.24 × 5.47 × 3.44 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
10.24 mm5.47 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561121500
Side View
Table 60.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $15,960 AUD|Low: $7,008 AUD|High: $16,314 AUD|Avg: $9,739 AUD|-2.2%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 19$7,009 AUD
Retailer 12$7,321 AUD
Retailer 3$7,744 AUD
Retailer 10$7,980 AUD
Retailer 4$8,063 AUD
Retailer 6$8,529 AUD
Retailer 20$8,617 AUD
Retailer 7$8,645 AUD
Retailer 8$8,645 AUD
Retailer 16$8,645 AUD
Retailer 17$9,063 AUD
Retailer 2$9,258 AUD
Retailer 14$9,322 AUD
Retailer 9$9,772 AUD
Retailer 5$9,975 AUD
Retailer 13$10,639 AUD
Retailer 11$10,752 AUD
Retailer 15$11,643 AUD
Retailer 18$14,021 AUD
NZ Jewellers$15,960 AUD

22 data points across 20 retailers

22 retailers$7,009 AUD to $15,960 AUD

B+
Cheapest Retailer
-
$7,009 AUD
Retailer 2
-
$7,321 AUD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$7,744 AUD
View
B+
Retailer 4
-
$7,980 AUD
View
Final sale: no returns
B+
Retailer 5
-
$8,063 AUD
View
B
Retailer 6
-
$8,529 AUD
View
B
Retailer 7
-
$8,617 AUD
View
B
Retailer 8
-
$8,645 AUD
View
B
Retailer 9
-
$8,645 AUD
View
Retailer 10
-
$8,645 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$8,748 AUD
View
B
Retailer 12
-
$9,063 AUD
View
B
Retailer 13
-
$9,258 AUD
View
B
Retailer 14
-
$9,322 AUD
View
Retailer 15
-
$9,518 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$9,772 AUD
View
B
Retailer 17
-
$9,975 AUD
View
B
Retailer 18
-
$10,639 AUD
View
Retailer 19
-
$10,752 AUD
View
Price last confirmed 15 days ago
B
Retailer 20
-
$11,643 AUD
View
B
Retailer 21
-
$14,021 AUD
View
Most Expensive
B
NZ Jewellers
784cc176-74e4-4ff7-9ffc-1e7df921af93 · Nov 5
$15,960 AUD
$10,966 USD
View
21 more retailers have this diamond
Prices start from $7,009 AUDSave up to $8,951 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.

B+
1.20ct Marquise
$7,009 AUD