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Marquise|Natural|GIA

1.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1232882970

Certificate GIA 1232882970

Diamond specifications and retailer prices

From $10,262 NZD
As of November 6, 2026
Save $11,478 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,741 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232882970. Listed at 20 retailers as of November 5, 2026, with prices from $10,262 to $21,741, a $11,478 spread on the same certified stone. NZ Jewellers lists it at $21,741. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.74°
OriginNatural
Grading LabGIA
CertificateGIA 1232882970
Dimensions11.84 × 5.72 × 3.73 mm
L/W Ratio2.07
Key to symbols
Crystal, Feather, Needle, Natural
Top View
11.84 mm5.72 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1232882970
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.74°Culet: NoneDepth 65.2%

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: $21,741 NZD|Low: $10,262 NZD|High: $21,741 NZD|Avg: $13,420 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
November 7, 2026
Retailer 8$10,262 NZD
Retailer 9$10,270 NZD
Retailer 17$10,870 NZD
Retailer 6$10,941 NZD
Retailer 7$10,960 NZD
Retailer 3$11,776 NZD
Retailer 18$11,924 NZD
Retailer 16$11,958 NZD
Retailer 11$12,232 NZD
Retailer 2$12,342 NZD
Retailer 12$12,609 NZD
Retailer 19$13,300 NZD
Retailer 4$13,587 NZD
Retailer 13$14,123 NZD
Retailer 10$14,325 NZD
Retailer 14$15,860 NZD
Retailer 15$18,066 NZD
Retailer 5$19,037 NZD
NZ Jewellers$21,741 NZD

37 data points across 19 retailers

20 retailers$10,262 NZD to $21,741 NZD

B+
Cheapest Retailer
-
$10,262 NZD
B+
Retailer 2
-
$10,270 NZD
View
Retailer 3
-
$10,870 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$10,941 NZD
View
B+
Retailer 5
-
$10,960 NZD
View
B+
Retailer 6
-
$11,594 NZD
View
B
Retailer 7
-
$11,776 NZD
View
B
Retailer 8
-
$11,924 NZD
View
B
Retailer 9
-
$11,958 NZD
View
B
Retailer 10
-
$12,232 NZD
View
B
Retailer 11
-
$12,342 NZD
View
B
Retailer 12
-
$12,609 NZD
View
B
Retailer 13
-
$13,300 NZD
View
B
Retailer 14
-
$13,587 NZD
View
B
Retailer 15
-
$14,123 NZD
View
Retailer 16
-
$14,325 NZD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$15,860 NZD
View
B
Retailer 18
-
$18,066 NZD
View
B
Retailer 19
-
$19,037 NZD
View
Most Expensive
B
NZ Jewellers
6bceaecc-c468-4a9f-91af-66ce2ac66a01 · Nov 5
$21,741 NZD
$12,052 USD
View
19 more retailers have this diamond
Prices start from $10,262 NZDSave up to $11,478 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
$10,262 NZD