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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 $11,826 SGD
$9,251 USD
As of October 30, 2026
Save $9,417 SGD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,243 SGD 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 $11,826 to $21,243, a $9,417 spread on the same certified stone. NZ Jewellers lists it at $21,243. 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: $13,960 SGD|Low: $11,683 SGD|High: $20,145 SGD|Avg: $15,123 SGD|+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$11,826 SGD
Retailer 7$12,746 SGD
Retailer 8$12,746 SGD
Retailer 1$13,960 SGD
Retailer 11$14,204 SGD
Retailer 3$14,944 SGD
Retailer 6$15,513 SGD
Retailer 5$16,034 SGD
Retailer 9$16,771 SGD
Retailer 10$18,169 SGD
Retailer 4$20,012 SGD

40 data points across 11 retailers

18 retailers$11,826 SGD to $21,243 SGD

A
Cheapest Retailer
-
$11,826 SGD
$9,251 USD
A
Retailer 2
-
$11,956 SGD
A$14,389 AUD
View
B+
Retailer 3
-
$12,746 SGD
$9,970 USD
View
B+
Retailer 4
-
$12,746 SGD
$9,970 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,852 SGD
$10,053 USD
View
B+
Retailer 6
-
$13,808 SGD
$10,801 USD
View
B+
Retailer 7
-
$13,960 SGD
£8,598 GBP
View
B+
Retailer 8
-
$14,020 SGD
$10,967 USD
View
B+
Retailer 9
-
$14,204 SGD
$11,111 USD
View
B+
Retailer 10
-
$14,944 SGD
$11,690 USD
View
B+
Retailer 11
-
$14,944 SGD
$11,690 USD
View
B+
Retailer 12
-
$15,443 SGD
$12,080 USD
View
B+
Retailer 13
-
$15,513 SGD
$12,135 USD
View
B
Retailer 14
-
$15,933 SGD
$12,463 USD
View
B+
Retailer 15
-
$16,034 SGD
€11,945 EUR
View
Retailer 16
-
$16,771 SGD
$13,119 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$20,012 SGD
£12,326 GBP
View
Most Expensive
B
NZ Jewellers
eddf0df7-2478-4eae-9c55-a9d4d0e9650c · Oct 30
$21,243 SGD
$16,617 USD
View
17 more retailers have this diamond
Prices start from $11,826 SGDSave up to $9,417 SGD

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
$11,826 SGD