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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6562677258

Certificate GIA 6562677258

Diamond specifications and retailer prices

From $7,460 AUD
As of November 4, 2026
Save $6,064 AUD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,525 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 6562677258. Listed at 16 retailers as of November 4, 2026, with prices from $7,460 to $13,525, a $6,064 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,525. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.75°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 6562677258
Dimensions10.65 × 5.51 × 3.51 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.65 mm5.51 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562677258
Side View
Table 60.0%Crown 37.75°Girdle: VTN-THKPavilion 41.96°Culet: NDepth 63.8%

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 4
Current: $10,575 AUD|Low: $7,460 AUD|High: $13,525 AUD|Avg: $9,508 AUD
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$7,460 AUD
Retailer 2$7,667 AUD
Retailer 7$7,719 AUD
Retailer 10$7,808 AUD
Retailer 11$7,894 AUD
Retailer 12$8,019 AUD
Retailer 15$8,075 AUD
Retailer 9$8,434 AUD
Retailer 4$8,994 AUD
Retailer 5$9,450 AUD
Retailer 8$9,459 AUD
Retailer 13$9,486 AUD
Retailer 1$10,575 AUD
Retailer 14$12,857 AUD
Retailer 3$13,155 AUD
Wholesale Diamonds Direct$13,525 AUD

16 data points across 16 retailers

16 retailers$7,460 AUD to $13,525 AUD

B+
Cheapest Retailer
-
$7,460 AUD
B+
Retailer 2
-
$7,667 AUD
View
B+
Retailer 3
-
$7,719 AUD
View
B+
Retailer 4
-
$7,808 AUD
View
B
Retailer 5
-
$7,894 AUD
View
B
Retailer 6
-
$8,019 AUD
View
B
Retailer 7
-
$8,075 AUD
View
B
Retailer 8
-
$8,434 AUD
View
B
Retailer 9
-
$8,994 AUD
View
B
Retailer 10
-
$9,450 AUD
View
B
Retailer 11
-
$9,459 AUD
View
B
Retailer 12
-
$9,486 AUD
View
B
Retailer 13
-
$10,575 AUD
View
B
Retailer 14
-
$12,857 AUD
View
B
Retailer 15
-
$13,155 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
600306054 · Nov 6
$13,525 AUD
$9,293 USD
View
15 more retailers have this diamond
Prices start from $7,460 AUDSave up to $6,064 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
$7,460 AUD