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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7552026425

Certificate GIA 7552026425

Diamond specifications and retailer prices

From $16,418 NZD
$9,253 USD
As of October 28, 2026
Save $13,073 NZD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $29,491 NZD at NZ Jewellers · As of October 27, 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 7552026425. Listed at 17 retailers as of October 27, 2026, with prices from $16,418 to $29,491, a $13,073 spread on the same certified stone. NZ Jewellers lists it at $29,491. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7552026425
Dimensions11.63 × 5.91 × 3.56 mm
L/W Ratio1.97
Key to symbols
Feather
Top View
11.63 mm5.91 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7552026425
Side View
Table 53.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 60.3%

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 28
Current: $29,491 NZD|Low: $16,318 NZD|High: $29,491 NZD|Avg: $21,382 NZD
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 29, 2026
Retailer 11$16,418 NZD
Retailer 3$16,551 NZD
Retailer 15$17,693 NZD
Retailer 12$17,841 NZD
Retailer 5$19,168 NZD
Retailer 2$19,380 NZD
Retailer 13$19,464 NZD
Retailer 14$19,652 NZD
Retailer 8$20,053 NZD
Retailer 4$22,117 NZD
Retailer 10$22,261 NZD
Retailer 6$23,281 NZD
Retailer 7$25,415 NZD
Retailer 9$27,782 NZD
NZ Jewellers$29,491 NZD

36 data points across 15 retailers

17 retailers$16,418 NZD to $29,491 NZD

A
Cheapest Retailer
-
$16,418 NZD
$9,253 USD
A
Retailer 2
-
$16,551 NZD
$9,328 USD
View
B+
Retailer 3
-
$17,693 NZD
$9,972 USD
View
B+
Retailer 4
-
$17,841 NZD
$10,055 USD
View
B+
Retailer 5
-
$19,168 NZD
$10,803 USD
View
B+
Retailer 6
-
$19,380 NZD
£8,600 GBP
View
B+
Retailer 7
-
$19,464 NZD
$10,970 USD
View
B+
Retailer 8
-
$19,652 NZD
$11,076 USD
View
B+
Retailer 9
-
$20,053 NZD
£8,899 GBP
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
-
$22,117 NZD
$12,465 USD
View
B
Retailer 14
-
$22,261 NZD
€11,949 EUR
View
Retailer 15
-
$23,281 NZD
$13,121 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$27,782 NZD
£12,329 GBP
View
Most Expensive
B
NZ Jewellers
361bbd9a-62ab-4861-83d0-be2e971d2784 · Oct 27
$29,491 NZD
$16,621 USD
View
16 more retailers have this diamond
Prices start from $16,418 NZDSave up to $13,073 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
$16,418 NZD