CaratHunter
Plans
Marquise|Natural|GIA

1.20ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 7556569825

Certificate GIA 7556569825

Diamond specifications and retailer prices

From $3,458 AUD
As of November 4, 2026
Save $5,319 AUD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,778 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556569825. Listed at 18 retailers as of November 3, 2026, with prices from $3,458 to $8,778, a $5,319 spread on the same certified stone. NZ Jewellers lists it at $8,778. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 7556569825
Dimensions10.40 × 5.46 × 3.42 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Natural
Top View
10.40 mm5.46 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 7556569825
Side View
Table 63.0%CrownGirdle: STK-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: $8,778 AUD|Low: $3,454 AUD|High: $8,778 AUD|Avg: $4,582 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
November 6, 2026
Retailer 17$3,458 AUD
Retailer 2$3,510 AUD
Retailer 9$3,572 AUD
Retailer 10$3,820 AUD
Retailer 6$3,871 AUD
Retailer 14$3,957 AUD
Retailer 11$4,184 AUD
Retailer 3$4,199 AUD
Retailer 5$4,199 AUD
Retailer 7$4,209 AUD
Retailer 12$4,292 AUD
Retailer 4$4,360 AUD
Retailer 13$4,389 AUD
Retailer 15$4,443 AUD
Retailer 8$4,715 AUD
Retailer 18$4,895 AUD
Retailer 16$7,003 AUD
NZ Jewellers$8,778 AUD

22 data points across 18 retailers

18 retailers$3,458 AUD to $8,778 AUD

A
Cheapest Retailer
-
$3,458 AUD
B+
Retailer 2
-
$3,510 AUD
View
Final sale: no returns
B+
Retailer 3
-
$3,572 AUD
View
B+
Retailer 4
-
$3,820 AUD
View
B+
Retailer 5
-
$3,871 AUD
View
B+
Retailer 6
-
$3,957 AUD
View
B+
Retailer 7
-
$4,184 AUD
View
B+
Retailer 8
-
$4,199 AUD
View
Retailer 9
-
$4,199 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,209 AUD
View
B
Retailer 11
-
$4,292 AUD
View
B
Retailer 12
-
$4,360 AUD
View
B+
Retailer 13
-
$4,389 AUD
View
B+
Retailer 14
-
$4,443 AUD
View
B
Retailer 15
-
$4,715 AUD
View
B+
Retailer 16
-
$4,895 AUD
View
B
Retailer 17
-
$7,003 AUD
View
Most Expensive
C
NZ Jewellers
fa24156f-1213-4df5-95bb-c1e42a893942 · Nov 3
$8,778 AUD
$6,031 USD
View
17 more retailers have this diamond
Prices start from $3,458 AUDSave up to $5,319 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
$3,458 AUD