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Marquise|Natural|GIA

1.20ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 7556036757

Certificate GIA 7556036757

Diamond specifications and retailer prices

From $3,818 AUD
As of November 6, 2026
Save $5,108 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,926 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 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 7556036757. Listed at 14 retailers as of November 5, 2026, with prices from $3,818 to $8,926, a $5,108 spread on the same certified stone. NZ Jewellers lists it at $8,926. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7556036757
Dimensions10.68 × 5.62 × 3.52 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Needle, Indented Natural, Natural
Top View
10.68 mm5.62 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7556036757
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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: $5,301 AUD|Low: $3,818 AUD|High: $8,670 AUD|Avg: $5,496 AUD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 2$3,818 AUD
Retailer 5$4,068 AUD
Retailer 1$5,301 AUD
Retailer 6$5,319 AUD
Retailer 3$5,615 AUD
Retailer 4$8,566 AUD

43 data points across 6 retailers

14 retailers$3,818 AUD to $8,926 AUD

B+
Cheapest Retailer
-
$3,818 AUD
B+
Retailer 2
-
$4,068 AUD
View
Final sale: no returns
B+
Retailer 3
-
$4,375 AUD
View
B
Retailer 4
-
$4,548 AUD
View
B
Retailer 5
-
$4,820 AUD
View
B
Retailer 6
-
$5,123 AUD
View
Retailer 7
-
$5,123 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$5,301 AUD
View
B
Retailer 9
-
$5,319 AUD
View
B
Retailer 10
-
$5,333 AUD
View
B
Retailer 11
-
$5,615 AUD
View
B
Retailer 12
-
$5,912 AUD
View
B
Retailer 13
-
$8,566 AUD
View
Most Expensive
B
NZ Jewellers
f7fa9b69-a9b8-4734-8b7a-4ec786ce7843 · Nov 5
$8,926 AUD
$6,133 USD
View
13 more retailers have this diamond
Prices start from $3,818 AUDSave up to $5,108 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
$3,818 AUD