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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2546734734

Certificate GIA 2546734734

Diamond specifications and retailer prices

From $6,370 AUD
As of November 6, 2026
Save $7,448 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,818 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546734734. Listed at 18 retailers as of November 5, 2026, with prices from $6,370 to $13,818, a $7,448 spread on the same certified stone. NZ Jewellers lists it at $13,818. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546734734
Dimensions11.63 × 5.26 × 3.34 mm
L/W Ratio2.21
Top View
11.63 mm5.26 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546734734
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.4%

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: $13,818 AUD|Low: $6,250 AUD|High: $13,972 AUD|Avg: $8,108 AUD|-1.1%
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
November 6, 2026
Retailer 9$6,370 AUD
Retailer 8$6,664 AUD
Retailer 13$6,871 AUD
Retailer 14$6,908 AUD
Retailer 15$7,085 AUD
Retailer 6$7,431 AUD
Retailer 16$7,484 AUD
Retailer 7$7,568 AUD
Retailer 17$7,928 AUD
Retailer 11$8,057 AUD
Retailer 2$8,124 AUD
Retailer 4$8,238 AUD
Retailer 3$8,457 AUD
Retailer 5$8,457 AUD
Retailer 12$8,635 AUD
Retailer 10$8,728 AUD
NZ Jewellers$13,818 AUD

36 data points across 17 retailers

18 retailers$6,370 AUD to $13,818 AUD

B+
Cheapest Retailer
-
$6,370 AUD
B+
Retailer 2
-
$6,664 AUD
View
B+
Retailer 3
-
$6,871 AUD
View
B+
Retailer 4
-
$6,908 AUD
View
Final sale: no returns
B+
Retailer 5
-
$7,085 AUD
View
B
Retailer 6
-
$7,431 AUD
View
B+
Retailer 7
-
$7,484 AUD
View
B+
Retailer 8
-
$7,568 AUD
View
B+
Retailer 9
-
$7,928 AUD
View
B+
Retailer 10
-
$8,057 AUD
View
B+
Retailer 11
-
$8,124 AUD
View
B+
Retailer 12
-
$8,238 AUD
View
B
Retailer 13
-
$8,457 AUD
View
B
Retailer 14
-
$8,457 AUD
View
B
Retailer 15
-
$8,635 AUD
View
B
Retailer 16
-
$8,728 AUD
View
B
Retailer 17
-
$8,732 AUD
View
Most Expensive
B
NZ Jewellers
40d2b708-0666-4130-9e82-bc1b5dafc119 · Nov 5
$13,818 AUD
$9,673 USD
View
17 more retailers have this diamond
Prices start from $6,370 AUDSave up to $7,448 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
$6,370 AUD