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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6565226854

Certificate GIA 6565226854

Diamond specifications and retailer prices

From $5,607 AUD
As of November 4, 2026
Save $6,725 AUD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,332 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 6565226854. Listed at 20 retailers as of November 4, 2026, with prices from $5,607 to $12,332, a $6,725 spread on the same certified stone. NZ Jewellers lists it at $12,332. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565226854
Dimensions10.38 × 5.47 × 3.43 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
10.38 mm5.47 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565226854
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,332 AUD|Low: $5,607 AUD|High: $12,332 AUD|Avg: $7,431 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
November 6, 2026
Retailer 19$5,607 AUD
Retailer 11$5,885 AUD
Retailer 4$5,973 AUD
Retailer 15$6,165 AUD
Retailer 14$6,221 AUD
Retailer 10$6,375 AUD
Retailer 5$6,630 AUD
Retailer 8$6,651 AUD
Retailer 6$6,680 AUD
Retailer 7$6,680 AUD
Retailer 16$6,680 AUD
Retailer 13$7,244 AUD
Retailer 12$7,250 AUD
Retailer 17$7,402 AUD
Retailer 9$7,707 AUD
Retailer 3$8,307 AUD
Retailer 2$9,628 AUD
Retailer 18$11,712 AUD
NZ Jewellers$12,332 AUD

20 data points across 19 retailers

20 retailers$5,607 AUD to $12,332 AUD

A
Cheapest Retailer
-
$5,607 AUD
A
Retailer 2
-
$5,885 AUD
View
A
Retailer 3
-
$5,973 AUD
View
B+
Retailer 4
-
$6,165 AUD
View
Final sale: no returns
B+
Retailer 5
-
$6,221 AUD
View
B+
Retailer 6
-
$6,375 AUD
View
B+
Retailer 7
-
$6,630 AUD
View
B+
Retailer 8
-
$6,651 AUD
View
B+
Retailer 9
-
$6,680 AUD
View
B+
Retailer 10
-
$6,680 AUD
View
Retailer 11
-
$6,680 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,244 AUD
View
B+
Retailer 13
-
$7,250 AUD
View
B+
Retailer 14
-
$7,402 AUD
View
B+
Retailer 15
-
$7,707 AUD
View
Retailer 16
-
$8,242 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$8,307 AUD
View
B
Retailer 18
-
$9,628 AUD
View
B
Retailer 19
-
$11,712 AUD
View
Most Expensive
B
NZ Jewellers
2404b270-8077-4937-9768-4da30964c5e7 · Nov 5
$12,332 AUD
$8,633 USD
View
19 more retailers have this diamond
Prices start from $5,607 AUDSave up to $6,725 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.

A
1.20ct Marquise
$5,607 AUD