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Marquise|Natural|GIA

1.20ct E VS1 Marquise Natural Diamond

ID • E/VS1 • GIA 1545300478

Certificate GIA 1545300478

Diamond specifications and retailer prices

From $11,547 AUD
As of November 4, 2026
Save $9,378 AUD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,925 AUD at NZ Jewellers · As of November 3, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545300478. Listed at 14 retailers as of November 3, 2026, with prices from $11,547 to $20,925, a $9,378 spread on the same certified stone. NZ Jewellers lists it at $20,925. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545300478
Dimensions10.05 × 5.66 × 3.58 mm
L/W Ratio1.78
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
10.05 mm5.66 mm1.20 ctE / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545300478
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.2%

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: $20,925 AUD|Low: $10,036 AUD|High: $20,925 AUD|Avg: $12,889 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
November 4, 2026
Retailer 3$10,237 AUD
Retailer 11$11,547 AUD
Retailer 5$11,548 AUD
Retailer 17$11,549 AUD
Retailer 15$11,839 AUD
Retailer 10$11,930 AUD
Retailer 8$12,165 AUD
Retailer 13$12,512 AUD
Retailer 7$12,539 AUD
Retailer 12$12,704 AUD
Retailer 9$13,100 AUD
Retailer 4$13,247 AUD
Retailer 6$13,534 AUD
Retailer 16$14,436 AUD
Retailer 14$15,370 AUD
Retailer 2$17,390 AUD
NZ Jewellers$20,925 AUD

24 data points across 17 retailers

14 retailers$11,547 AUD to $20,925 AUD

Retailer 1
-
$10,237 AUD
Price last confirmed 23 days ago
B+
Retailer 2
-
$11,547 AUD
View
B+
Retailer 3
-
$11,548 AUD
View
Final sale: no returns
Retailer 4
-
$11,549 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$11,839 AUD
View
B+
Retailer 6
-
$11,930 AUD
View
B+
Retailer 7
-
$12,512 AUD
View
Retailer 8
-
$12,539 AUD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
$12,704 AUD
View
B+
Retailer 10
-
$13,534 AUD
View
B
Retailer 11
-
$14,436 AUD
View
B
Retailer 12
-
$15,370 AUD
View
B
Retailer 13
-
$17,390 AUD
View
Most Expensive
B
NZ Jewellers
659ea79f-083b-4b7f-97f2-7661cb52ec72 · Nov 3
$20,925 AUD
$14,679 USD
View
13 more retailers have this diamond
Prices start from $11,547 AUDSave up to $9,378 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
$11,547 AUD