Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2544995398

Certificate GIA 2544995398

Diamond specifications and retailer prices

From $14,131 NZD
$7,951 USD
As of November 2, 2026
Save $11,321 NZD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $25,453 NZD at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544995398. Listed at 21 retailers as of November 2, 2026, with prices from $14,131 to $25,453, a $11,321 spread on the same certified stone. NZ Jewellers lists it at $25,453. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544995398
Dimensions10.95 × 5.92 × 3.84 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.95 mm5.92 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544995398
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.9%

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 2
Current: $25,453 NZD|Low: $14,131 NZD|High: $25,453 NZD|Avg: $17,865 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 11$14,131 NZD
Retailer 5$14,298 NZD
Retailer 21$15,169 NZD
Retailer 4$15,272 NZD
Retailer 10$15,399 NZD
Retailer 6$15,828 NZD
Retailer 12$16,279 NZD
Retailer 18$16,545 NZD
Retailer 2$16,694 NZD
Retailer 3$16,771 NZD
Retailer 13$16,799 NZD
Retailer 7$16,870 NZD
Retailer 15$17,328 NZD
Retailer 9$18,718 NZD
Retailer 8$18,816 NZD
Retailer 20$19,090 NZD
Retailer 16$19,238 NZD
Retailer 14$20,101 NZD
Retailer 19$22,435 NZD
Retailer 17$23,852 NZD
NZ Jewellers$25,453 NZD

20 data points across 21 retailers

21 retailers$14,131 NZD to $25,453 NZD

B+
Cheapest Retailer
-
$14,131 NZD
$7,951 USD
B+
Retailer 2
-
$14,298 NZD
$8,045 USD
View
B+
Retailer 3
-
$15,169 NZD
$8,535 USD
View
Retailer 4
-
$15,272 NZD
$8,593 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$15,399 NZD
$8,664 USD
View
B
Retailer 6
-
$15,828 NZD
CA$12,369 CAD
View
B
Retailer 7
-
$16,279 NZD
$9,160 USD
View
B
Retailer 8
-
$16,545 NZD
$9,309 USD
View
B
Retailer 9
-
$16,694 NZD
£7,396 GBP
View
Retailer 10
-
$16,771 NZD
A$14,517 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$16,799 NZD
$9,452 USD
View
B
Retailer 12
-
$16,870 NZD
$9,492 USD
View
B+
Retailer 13
-
$17,328 NZD
£7,677 GBP
View
B
Retailer 14
-
$18,718 NZD
$10,532 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$18,816 NZD
$10,587 USD
View
B
Retailer 16
-
$19,090 NZD
$10,741 USD
View
B
Retailer 17
-
$19,238 NZD
€10,309 EUR
View
Retailer 18
-
$20,101 NZD
$11,310 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$22,435 NZD
ZAR 203,930 ZAR
View
B
Retailer 20
-
$23,852 NZD
£10,567 GBP
View
Most Expensive
B
NZ Jewellers
8f4efdf7-d97b-4799-a407-de6474ccc540 · Nov 3
$25,453 NZD
$14,321 USD
View
20 more retailers have this diamond
Prices start from $14,131 NZDSave up to $11,321 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
$14,131 NZD