Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7558230262

Certificate GIA 7558230262

Diamond specifications and retailer prices

From $8,631 AUD
As of November 6, 2026
Save $2,240 AUD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,871 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 7558230262. Listed at 7 retailers as of November 6, 2026, with prices from $8,631 to $10,871, a $2,240 spread on the same certified stone. GemTrove lists it at $10,871. 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

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558230262
Dimensions11.29 × 5.87 × 3.81 mm
L/W Ratio1.92
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Natural
Top View
11.29 mm5.87 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558230262
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.9%

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: $8,631 AUD|Low: $8,631 AUD|High: $10,699 AUD|Avg: $9,488 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$8,631 AUD
Retailer 3$8,931 AUD
Retailer 4$9,344 AUD
Retailer 2$9,447 AUD
Retailer 5$9,840 AUD

46 data points across 5 retailers

7 retailers$8,631 AUD to $10,871 AUD

A
Cheapest Retailer
-
$8,631 AUD
A
Retailer 2
-
$8,931 AUD
View
A
Retailer 3
-
$9,344 AUD
View
A
Retailer 4
-
$9,447 AUD
View
A
Retailer 5
-
$9,840 AUD
View
A
Retailer 6
-
$10,289 AUD
View
Most Expensive
B+
GemTrove
GT-N-01274147-98 · Nov 6
$10,871 AUD
View
6 more retailers have this diamond
Prices start from $8,631 AUDSave up to $2,240 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
1.50ct Marquise
$8,631 AUD