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Marquise|Natural|GIA

1.73ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1563282592

Certificate GIA 1563282592

Diamond specifications and retailer prices

From $5,679 USD
As of November 6, 2026
Save $6,992 USD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,671 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.73ct natural marquise diamond

This 1.73ct 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 1563282592. Listed at 16 retailers as of November 5, 2026, with prices from $5,679 to $12,671, a $6,992 spread on the same certified stone. NZ Jewellers lists it at $12,671. 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

1.73
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563282592
Dimensions11.92 × 6.26 × 3.98 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
11.92 mm6.26 mm1.73 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563282592
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

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: $5,679 USD|Low: $5,679 USD|High: $10,671 USD|Avg: $7,648 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$5,679 USD
Retailer 4$7,073 USD
Retailer 6$7,390 USD
Retailer 2$7,550 USD
Retailer 7$7,693 USD
Retailer 3$7,785 USD
Retailer 8$7,815 USD
Retailer 5$10,529 USD

30 data points across 8 retailers

16 retailers$5,679 USD to $12,671 USD

A
Cheapest Retailer
-
$5,679 USD
B+
Retailer 2
-
$6,411 USD
View
B+
Retailer 3
-
$6,607 USD
View
B+
Retailer 4
-
$6,775 USD
View
Retailer 5
-
$6,993 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$7,073 USD
View
B
Retailer 7
-
$7,390 USD
View
B+
Retailer 8
-
$7,550 USD
View
B
Retailer 9
-
$7,576 USD
View
B
Retailer 10
-
$7,693 USD
View
B
Retailer 11
-
$7,739 USD
View
B
Retailer 12
-
$7,785 USD
View
B
Retailer 13
-
$7,815 USD
View
B
Retailer 14
-
$8,742 USD
View
B
Retailer 15
-
$10,529 USD
View
Most Expensive
B
NZ Jewellers
c17802bd-7fcc-4d68-9f8f-e54b2126050f · Nov 5
$12,671 USD
View
15 more retailers have this diamond
Prices start from $5,679 USDSave up to $6,992 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
1.73ct Marquise
$5,679 USD