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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2544187007

Certificate GIA 2544187007

Diamond specifications and retailer prices

From $13,170 AUD
$9,251 USD
As of October 30, 2026
Save $10,486 AUD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $23,656 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2544187007. Listed at 18 retailers as of October 30, 2026, with prices from $13,170 to $23,656, a $10,486 spread on the same certified stone. NZ Jewellers lists it at $23,656. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.82°
Pavilion angle41.19°
OriginNatural
Grading LabGIA
CertificateGIA 2544187007
Dimensions11.30 × 5.87 × 3.78 mm
L/W Ratio1.93
Top View
11.30 mm5.87 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544187007
Side View
Table 61.0%Crown 39.82°Girdle: STK-THKPavilion 41.19°Culet: NoneDepth 64.5%

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: Oct 30
Current: $15,546 AUD|Low: $13,010 AUD|High: $22,433 AUD|Avg: $16,840 AUD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$13,170 AUD
Retailer 7$14,193 AUD
Retailer 8$14,193 AUD
Retailer 1$15,546 AUD
Retailer 11$15,818 AUD
Retailer 3$16,642 AUD
Retailer 6$17,275 AUD
Retailer 5$17,855 AUD
Retailer 9$18,676 AUD
Retailer 10$20,233 AUD
Retailer 4$22,285 AUD

40 data points across 11 retailers

18 retailers$13,170 AUD to $23,656 AUD

A
Cheapest Retailer
-
$13,170 AUD
$9,251 USD
A
Retailer 2
-
$13,314 AUD
View
B+
Retailer 3
-
$14,193 AUD
$9,970 USD
View
B+
Retailer 4
-
$14,193 AUD
$9,970 USD
View
Final sale: no returns
B+
Retailer 5
-
$14,311 AUD
$10,053 USD
View
B+
Retailer 6
-
$15,376 AUD
$10,801 USD
View
B+
Retailer 7
-
$15,546 AUD
£8,598 GBP
View
B+
Retailer 8
-
$15,613 AUD
$10,967 USD
View
B+
Retailer 9
-
$15,818 AUD
$11,111 USD
View
B+
Retailer 10
-
$16,642 AUD
$11,690 USD
View
B+
Retailer 11
-
$16,642 AUD
$11,690 USD
View
B+
Retailer 12
-
$17,197 AUD
$12,080 USD
View
B+
Retailer 13
-
$17,275 AUD
$12,135 USD
View
B
Retailer 14
-
$17,742 AUD
$12,463 USD
View
B+
Retailer 15
-
$17,855 AUD
€11,945 EUR
View
Retailer 16
-
$18,676 AUD
$13,119 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$22,285 AUD
£12,326 GBP
View
Most Expensive
B
NZ Jewellers
eddf0df7-2478-4eae-9c55-a9d4d0e9650c · Oct 30
$23,656 AUD
$16,617 USD
View
17 more retailers have this diamond
Prices start from $13,170 AUDSave up to $10,486 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
$13,170 AUD