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Marquise|Natural|GIA

1.50ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5543781996

Certificate GIA 5543781996

Diamond specifications and retailer prices

From $9,604 NZD
As of November 4, 2026
Save $10,728 NZD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,332 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543781996. Listed at 13 retailers as of November 4, 2026, with prices from $9,604 to $20,332, a $10,728 spread on the same certified stone. NZ Jewellers lists it at $20,332. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5543781996
Dimensions11.62 × 5.86 × 3.62 mm
L/W Ratio1.98
Top View
11.62 mm5.86 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5543781996
Side View
Table 55.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 61.8%

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 4
Current: $12,113 NZD|Low: $9,604 NZD|High: $18,126 NZD|Avg: $11,933 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$9,604 NZD
Retailer 9$9,824 NZD
Retailer 5$10,250 NZD
Retailer 7$11,013 NZD
Retailer 8$11,013 NZD
Retailer 3$11,545 NZD
Retailer 1$12,113 NZD
Retailer 2$12,483 NZD
Retailer 4$17,862 NZD

42 data points across 9 retailers

13 retailers$9,604 NZD to $20,332 NZD

B+
Cheapest Retailer
-
$9,604 NZD
B+
Retailer 2
-
$9,824 NZD
View
B+
Retailer 3
-
$10,250 NZD
View
B+
Retailer 4
-
$11,013 NZD
View
B+
Retailer 5
-
$11,013 NZD
View
Retailer 6
-
$11,013 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$11,545 NZD
View
B
Retailer 8
-
$12,113 NZD
View
B
Retailer 9
-
$12,483 NZD
View
B
Retailer 10
-
$12,707 NZD
View
Retailer 11
-
$13,401 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$17,862 NZD
View
Most Expensive
C
NZ Jewellers
c7273e29-e2d6-4081-83d6-91e8eda163a9 · Nov 5
$20,332 NZD
$11,271 USD
View
12 more retailers have this diamond
Prices start from $9,604 NZDSave up to $10,728 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
$9,604 NZD