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Marquise|Natural|GIA

1.58ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6551124693

Certificate GIA 6551124693

Diamond specifications and retailer prices

From $7,743 AUD
As of November 6, 2026
Save $2,009 AUD (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,751 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.58ct natural marquise diamond

This 1.58ct natural marquise sits in the one-and-a-half to two 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 6551124693. Listed at 6 retailers as of November 6, 2026, with prices from $7,743 to $9,751, a $2,009 spread on the same certified stone. GemTrove lists it at $9,751. 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

1.58
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551124693
Dimensions11.83 × 6.16 × 3.89 mm
L/W Ratio1.92
Culet sizeNone
Key to symbols
Feather, Indented Natural
Top View
11.83 mm6.16 mm1.58 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551124693
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.2%

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 6
Current: $7,743 AUD|Low: $7,743 AUD|High: $9,830 AUD|Avg: $8,758 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$7,743 AUD
Retailer 3$8,414 AUD
Retailer 4$8,840 AUD
Retailer 5$9,124 AUD
Retailer 2$9,162 AUD

45 data points across 5 retailers

6 retailers$7,743 AUD to $9,751 AUD

A
Cheapest Retailer
-
$7,743 AUD
B+
Retailer 2
-
$8,414 AUD
View
B+
Retailer 3
-
$8,840 AUD
View
B+
Retailer 4
-
$9,124 AUD
View
Final sale: no returns
B+
Retailer 5
-
$9,162 AUD
View
Most Expensive
B
GemTrove
GT-N-01274069-98 · Nov 6
$9,751 AUD
View
5 more retailers have this diamond
Prices start from $7,743 AUDSave up to $2,009 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
1.58ct Marquise
$7,743 AUD