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Marquise|Natural|GIA

1.20ct F IF Marquise Natural Diamond

EX • F/IF • GIA 1545657809

Certificate GIA 1545657809

Diamond specifications and retailer prices

From $12,610 AUD
As of November 5, 2026
Save $8,875 AUD (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,485 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545657809. Listed at 17 retailers as of November 5, 2026, with prices from $12,610 to $21,485, a $8,875 spread on the same certified stone. NZ Jewellers lists it at $21,485. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545657809
Dimensions10.60 × 5.45 × 3.46 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Top View
10.60 mm5.45 mm1.20 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545657809
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.5%

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: $21,485 AUD|Low: $10,263 AUD|High: $21,485 AUD|Avg: $14,525 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
Retailer 19
Retailer 20
Retailer 21
November 7, 2026
Retailer 10$10,263 AUD
Retailer 11$10,408 AUD
Retailer 8$10,911 AUD
Retailer 5$12,610 AUD
Retailer 19$12,889 AUD
Retailer 9$12,976 AUD
Retailer 16$13,441 AUD
Retailer 14$13,601 AUD
Retailer 4$13,957 AUD
Retailer 15$14,097 AUD
Retailer 18$14,100 AUD
Retailer 3$15,354 AUD
Retailer 21$15,354 AUD
Retailer 7$15,481 AUD
Retailer 6$15,509 AUD
Retailer 17$15,541 AUD
Retailer 12$15,775 AUD
Retailer 20$15,864 AUD
Retailer 2$18,785 AUD
Retailer 13$20,025 AUD
NZ Jewellers$21,485 AUD

35 data points across 21 retailers

17 retailers$12,610 AUD to $21,485 AUD

Retailer 1
-
$10,263 AUD
Price last confirmed 53 days ago
B+
Retailer 2
-
$12,610 AUD
View
B+
Retailer 3
-
$12,889 AUD
View
Final sale: no returns
B+
Retailer 4
-
$12,976 AUD
View
B+
Retailer 5
-
$13,441 AUD
View
B+
Retailer 6
-
$13,957 AUD
View
B+
Retailer 7
-
$14,097 AUD
View
B+
Retailer 8
-
$14,100 AUD
View
B+
Retailer 9
-
$15,354 AUD
View
B+
Retailer 10
-
$15,354 AUD
View
B+
Retailer 11
-
$15,481 AUD
View
B+
Retailer 12
-
$15,509 AUD
View
B+
Retailer 13
-
$15,541 AUD
View
B+
Retailer 14
-
$15,864 AUD
View
B
Retailer 15
-
$18,785 AUD
View
B
Retailer 16
-
$20,025 AUD
View
Most Expensive
B
NZ Jewellers
f49a4ef3-7417-4df1-bb03-8078f4ee5f86 · Nov 5
$21,485 AUD
$14,762 USD
View
16 more retailers have this diamond
Prices start from $12,610 AUDSave up to $8,875 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
$12,610 AUD