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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1568225247

Certificate GIA 1568225247

Diamond specifications and retailer prices

From $14,391 SGD
$11,257 USD
As of October 30, 2026
Save $11,208 SGD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $25,599 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 1568225247. Listed at 10 retailers as of October 30, 2026, with prices from $14,391 to $25,599, a $11,208 spread on the same certified stone. NZ Jewellers lists it at $25,599. 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 1568225247
Dimensions11.28 × 5.93 × 3.74 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.28 mm5.93 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568225247
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCuletDepth 63.1%

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: $25,599 SGD|Low: $14,391 SGD|High: $25,599 SGD|Avg: $18,214 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$14,391 SGD
Retailer 10$14,609 SGD
Retailer 6$16,384 SGD
Retailer 3$16,546 SGD
Retailer 7$16,640 SGD
Retailer 2$17,237 SGD
Retailer 9$17,279 SGD
Retailer 5$18,703 SGD
Retailer 4$24,116 SGD
NZ Jewellers$25,599 SGD

40 data points across 10 retailers

10 retailers$14,391 SGD to $25,599 SGD

B+
Cheapest Retailer
-
$14,391 SGD
$11,257 USD
B+
Retailer 2
-
$14,609 SGD
CA$15,872 CAD
View
B
Retailer 3
-
$16,384 SGD
$12,816 USD
View
B+
Retailer 4
-
$16,546 SGD
£10,191 GBP
View
B
Retailer 5
-
$16,640 SGD
$13,016 USD
View
B+
Retailer 6
-
$17,237 SGD
£10,616 GBP
View
B+
Retailer 7
-
$17,279 SGD
$13,516 USD
View
B
Retailer 8
-
$18,703 SGD
€13,933 EUR
View
B
Retailer 9
-
$24,116 SGD
£14,854 GBP
View
Most Expensive
B
NZ Jewellers
74102820-ddbd-44c3-b994-c6a0c76f7b2f · Oct 30
$25,599 SGD
$20,024 USD
View
9 more retailers have this diamond
Prices start from $14,391 SGDSave up to $11,208 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
$14,391 SGD