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Marquise|Natural|GIA

1.50ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 7546415049

Certificate GIA 7546415049

Diamond specifications and retailer prices

From $21,118 NZD
As of November 6, 2026
Save $13,868 NZD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $34,987 NZD at NZ Jewellers · As of November 5, 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 F 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 7546415049. Listed at 7 retailers as of November 5, 2026, with prices from $21,118 to $34,987, a $13,868 spread on the same certified stone. NZ Jewellers lists it at $34,987. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7546415049
Dimensions12.10 × 5.64 × 3.62 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Top View
12.10 mm5.64 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7546415049
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.2%

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 6
Current: $34,987 NZD|Low: $21,118 NZD|High: $34,987 NZD|Avg: $26,777 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$21,118 NZD
Retailer 4$22,487 NZD
Retailer 7$23,056 NZD
Retailer 2$23,359 NZD
Retailer 3$26,301 NZD
Retailer 5$30,627 NZD
Retailer 6$32,696 NZD
NZ Jewellers$34,987 NZD

22 data points across 8 retailers

7 retailers$21,118 NZD to $34,987 NZD

B+
Cheapest Retailer
-
$21,118 NZD
B+
Retailer 2
-
$22,487 NZD
View
B+
Retailer 3
-
$23,359 NZD
View
B
Retailer 4
-
$26,301 NZD
View
B
Retailer 5
-
$30,627 NZD
View
B
Retailer 6
-
$32,696 NZD
View
Most Expensive
B
NZ Jewellers
45cb6b16-1ce0-42b7-9cad-767e1a1df3ae · Nov 5
$34,987 NZD
$19,395 USD
View
6 more retailers have this diamond
Prices start from $21,118 NZDSave up to $13,868 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
$21,118 NZD