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Marquise|Natural|GIA

1.50ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6562186581

Certificate GIA 6562186581

Diamond specifications and retailer prices

From $4,118 USD
As of November 6, 2026
Save $4,558 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,676 USD 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 6562186581. Listed at 16 retailers as of November 5, 2026, with prices from $4,118 to $8,676, a $4,558 spread on the same certified stone. NZ Jewellers lists it at $8,676. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562186581
Dimensions11.72 × 5.84 × 3.64 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
11.72 mm5.84 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562186581
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.3%

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: Nov 6
Current: $8,676 USD|Low: $4,118 USD|High: $8,676 USD|Avg: $5,603 USD|+2.5%
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
November 6, 2026
Retailer 2$4,118 USD
Retailer 12$4,389 USD
Retailer 7$4,445 USD
Retailer 14$4,524 USD
Retailer 6$5,045 USD
Retailer 5$5,061 USD
Retailer 11$5,096 USD
Retailer 8$5,169 USD
Retailer 3$5,187 USD
Retailer 13$5,187 USD
Retailer 9$5,339 USD
Retailer 10$5,838 USD
Retailer 4$5,985 USD
Retailer 15$8,239 USD
NZ Jewellers$8,676 USD

24 data points across 15 retailers

16 retailers$4,118 USD to $8,676 USD

A
Cheapest Retailer
-
$4,118 USD
B+
Retailer 2
-
$4,389 USD
View
A
Retailer 3
-
$4,445 USD
View
B+
Retailer 4
-
$4,524 USD
View
B+
Retailer 5
-
$5,045 USD
View
Retailer 6
-
$5,057 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$5,061 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$5,096 USD
View
B+
Retailer 9
-
$5,169 USD
View
B+
Retailer 10
-
$5,187 USD
View
B+
Retailer 11
-
$5,187 USD
View
B+
Retailer 12
-
$5,339 USD
View
B+
Retailer 13
-
$5,838 USD
View
B+
Retailer 14
-
$5,985 USD
View
B
Retailer 15
-
$8,239 USD
View
Most Expensive
B
NZ Jewellers
f3b04fbd-2acf-46ae-868e-8014543e23de · Nov 5
$8,676 USD
View
15 more retailers have this diamond
Prices start from $4,118 USDSave up to $4,558 USD

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
$4,118 USD