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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 $19,973 NZD
$11,257 USD
As of November 1, 2026
Save $15,555 NZD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $35,529 NZD 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 $19,973 to $35,529, a $15,555 spread on the same certified stone. NZ Jewellers lists it at $35,529. 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: Nov 1
Current: $35,529 NZD|Low: $19,973 NZD|High: $35,529 NZD|Avg: $25,274 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$19,973 NZD
Retailer 10$20,276 NZD
Retailer 6$22,739 NZD
Retailer 2$22,966 NZD
Retailer 7$23,094 NZD
Retailer 4$23,851 NZD
Retailer 9$23,981 NZD
Retailer 5$25,957 NZD
Retailer 3$33,293 NZD
NZ Jewellers$35,529 NZD

42 data points across 10 retailers

10 retailers$19,973 NZD to $35,529 NZD

B+
Cheapest Retailer
-
$19,973 NZD
$11,257 USD
B+
Retailer 2
-
$20,276 NZD
CA$15,872 CAD
View
B
Retailer 3
-
$22,739 NZD
$12,816 USD
View
B+
Retailer 4
-
$22,966 NZD
£10,192 GBP
View
B
Retailer 5
-
$23,094 NZD
$13,016 USD
View
B+
Retailer 6
-
$23,851 NZD
£10,585 GBP
View
B+
Retailer 7
-
$23,981 NZD
$13,516 USD
View
B
Retailer 8
-
$25,957 NZD
€13,933 EUR
View
B
Retailer 9
-
$33,293 NZD
£14,775 GBP
View
Most Expensive
B
NZ Jewellers
74102820-ddbd-44c3-b994-c6a0c76f7b2f · Oct 30
$35,529 NZD
$20,024 USD
View
9 more retailers have this diamond
Prices start from $19,973 NZDSave up to $15,555 NZD

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
$19,973 NZD