Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2544187007

Certificate GIA 2544187007

Diamond specifications and retailer prices

From $16,414 NZD
$9,251 USD
As of October 30, 2026
Save $13,069 NZD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $29,484 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 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 $16,414 to $29,484, a $13,069 spread on the same certified stone. NZ Jewellers lists it at $29,484. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $19,376 NZD|Low: $16,215 NZD|High: $27,960 NZD|Avg: $20,904 NZD|+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 31, 2026
Retailer 3$16,414 NZD
Retailer 7$17,690 NZD
Retailer 9$17,690 NZD
Retailer 1$19,376 NZD
Retailer 8$19,459 NZD
Retailer 2$19,714 NZD
Retailer 6$21,531 NZD
Retailer 4$22,289 NZD
Retailer 10$23,277 NZD
Retailer 11$25,218 NZD
Retailer 5$27,775 NZD

41 data points across 11 retailers

18 retailers$16,414 NZD to $29,484 NZD

A
Cheapest Retailer
-
$16,414 NZD
$9,251 USD
A
Retailer 2
-
$16,594 NZD
A$14,389 AUD
View
B+
Retailer 3
-
$17,690 NZD
$9,970 USD
View
B+
Retailer 4
-
$17,690 NZD
$9,970 USD
View
Final sale: no returns
B+
Retailer 5
-
$17,837 NZD
$10,053 USD
View
B+
Retailer 6
-
$19,164 NZD
$10,801 USD
View
B+
Retailer 7
-
$19,376 NZD
£8,599 GBP
View
B+
Retailer 8
-
$19,459 NZD
$10,967 USD
View
B+
Retailer 9
-
$19,714 NZD
$11,111 USD
View
B+
Retailer 10
-
$20,742 NZD
$11,690 USD
View
B+
Retailer 11
-
$20,742 NZD
$11,690 USD
View
B+
Retailer 12
-
$21,434 NZD
$12,080 USD
View
B+
Retailer 13
-
$21,531 NZD
$12,135 USD
View
B
Retailer 14
-
$22,113 NZD
$12,463 USD
View
B+
Retailer 15
-
$22,289 NZD
€11,964 EUR
View
Retailer 16
-
$23,277 NZD
$13,119 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$27,775 NZD
£12,326 GBP
View
Most Expensive
B
NZ Jewellers
eddf0df7-2478-4eae-9c55-a9d4d0e9650c · Oct 30
$29,484 NZD
$16,617 USD
View
17 more retailers have this diamond
Prices start from $16,414 NZDSave up to $13,069 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.

A
1.50ct Marquise
$16,414 NZD