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Marquise|Natural|GIA

1.50ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 2537738274

Certificate GIA 2537738274

Diamond specifications and retailer prices

From $2,809 AUD
As of November 4, 2026
Save $551 AUD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,360 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537738274. Listed at 6 retailers as of November 4, 2026, with prices from $2,809 to $3,360, a $551 spread on the same certified stone. 77 Diamonds lists it at $3,360. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537738274
Dimensions5.56 × 11.87 × 3.63 mm
L/W Ratio2.13
Top View
5.56 mm11.87 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537738274
Side View
Table 57.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,360 AUD|Low: $2,310 AUD|High: $5,395 AUD|Avg: $3,403 AUD|-6.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,809 AUD
Retailer 2$2,880 AUD
Retailer 3$3,141 AUD
Retailer 6$3,209 AUD
Retailer 4$3,230 AUD
77 Diamonds$3,360 AUD

46 data points across 6 retailers

6 retailers$2,809 AUD to $3,360 AUD

A
Cheapest Retailer
-
$2,809 AUD
A
Retailer 2
-
$2,880 AUD
View
A
Retailer 3
-
$3,141 AUD
View
Retailer 4
-
$3,209 AUD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$3,230 AUD
View
Most Expensive
A
77 Diamonds
MQPUIFS6QETZUYK · Nov 6
$3,360 AUD
£1,818 GBP
View
5 more retailers have this diamond
Prices start from $2,809 AUDSave up to $551 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
$2,809 AUD