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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1565093496

Certificate GIA 1565093496

Diamond specifications and retailer prices

From $13,568 SGD
A$16,328 AUD
As of October 30, 2026
Save $12,853 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $26,421 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565093496. Listed at 14 retailers as of October 30, 2026, with prices from $13,568 to $26,421, a $12,853 spread on the same certified stone. NZ Jewellers lists it at $26,421. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565093496
Dimensions11.96 × 5.87 × 3.77 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle
Top View
11.96 mm5.87 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565093496
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $26,421 SGD|Low: $15,204 SGD|High: $26,421 SGD|Avg: $19,388 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 7$15,204 SGD
Retailer 13$16,236 SGD
Retailer 6$16,665 SGD
Retailer 12$16,769 SGD
Retailer 14$17,188 SGD
Retailer 11$17,261 SGD
Retailer 8$17,789 SGD
Retailer 15$18,665 SGD
Retailer 4$18,956 SGD
Retailer 5$19,427 SGD
Retailer 3$19,685 SGD
Retailer 2$19,975 SGD
Retailer 10$23,165 SGD
Retailer 9$24,889 SGD
NZ Jewellers$26,421 SGD

37 data points across 15 retailers

14 retailers$13,568 SGD to $26,421 SGD

B+
Cheapest Retailer
-
$13,568 SGD
A$16,328 AUD
B+
Retailer 2
-
$16,236 SGD
$12,700 USD
View
B
Retailer 3
-
$16,769 SGD
$13,117 USD
View
Final sale: no returns
B+
Retailer 4
-
$17,188 SGD
$13,445 USD
View
Retailer 5
-
$17,261 SGD
A$20,772 AUD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$17,789 SGD
£10,957 GBP
View
B
Retailer 7
-
$18,665 SGD
$14,600 USD
View
B
Retailer 8
-
$18,956 SGD
$14,828 USD
View
B
Retailer 9
-
$19,427 SGD
$15,197 USD
View
B
Retailer 10
-
$19,685 SGD
$15,398 USD
View
B
Retailer 11
-
$19,975 SGD
€14,881 EUR
View
B
Retailer 12
-
$23,165 SGD
ZAR 292,739 ZAR
View
B
Retailer 13
-
$24,889 SGD
£15,330 GBP
View
Most Expensive
B
NZ Jewellers
3f3dd080-c26f-48cc-ae1d-bfa37b6cd508 · Oct 30
$26,421 SGD
$20,667 USD
View
13 more retailers have this diamond
Prices start from $13,568 SGDSave up to $12,853 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.

B+
1.50ct Marquise
$13,568 SGD