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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2564327633

Certificate GIA 2564327633

Diamond specifications and retailer prices

From $6,706 AUD
As of November 6, 2026
Save $8,258 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $14,964 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 2564327633. Listed at 15 retailers as of November 5, 2026, with prices from $6,706 to $14,964, a $8,258 spread on the same certified stone. NZ Jewellers lists it at $14,964. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564327633
Dimensions10.62 × 5.50 × 3.41 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Twinning Wisp, Cavity, Needle, Indented Natural
Top View
10.62 mm5.50 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564327633
Side View
Table 60.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.0%

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 6
Current: $14,964 AUD|Low: $6,650 AUD|High: $15,384 AUD|Avg: $9,231 AUD|-2.7%
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 6, 2026
Retailer 11$6,706 AUD
Retailer 2$6,737 AUD
Retailer 6$7,583 AUD
Retailer 3$7,650 AUD
Retailer 5$7,979 AUD
Retailer 4$8,259 AUD
Retailer 8$8,680 AUD
Retailer 12$8,948 AUD
Retailer 13$8,948 AUD
Retailer 7$9,092 AUD
Retailer 15$9,313 AUD
Retailer 14$10,323 AUD
Retailer 10$10,326 AUD
Retailer 9$13,147 AUD
NZ Jewellers$14,964 AUD

27 data points across 15 retailers

15 retailers$6,706 AUD to $14,964 AUD

B+
Cheapest Retailer
-
$6,706 AUD
B+
Retailer 2
-
$6,737 AUD
View
Retailer 3
-
$7,583 AUD
View
Price last confirmed 10 days ago
Retailer 4
-
$7,650 AUD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$7,979 AUD
View
B
Retailer 6
-
$8,259 AUD
View
Final sale: no returns
B
Retailer 7
-
$8,680 AUD
View
B
Retailer 8
-
$8,948 AUD
View
B
Retailer 9
-
$8,948 AUD
View
Retailer 10
-
$9,092 AUD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$9,313 AUD
View
B
Retailer 12
-
$10,323 AUD
View
B
Retailer 13
-
$10,326 AUD
View
B
Retailer 14
-
$13,147 AUD
View
Most Expensive
B
NZ Jewellers
16ee0a86-0425-4dd0-b086-87179b70aa03 · Nov 5
$14,964 AUD
$10,282 USD
View
14 more retailers have this diamond
Prices start from $6,706 AUDSave up to $8,258 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
$6,706 AUD