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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 £4,243 GBP
As of November 6, 2026
Save £5,224 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £9,467 GBP 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 £4,243 to £9,467, a £5,224 spread on the same certified stone. NZ Jewellers lists it at £9,467. 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
Colour
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: £4,243 GBP|Low: £4,243 GBP|High: £7,972 GBP|Avg: £5,714 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£4,243 GBP
Retailer 4£5,284 GBP
Retailer 6£5,521 GBP
Retailer 2£5,641 GBP
Retailer 7£5,748 GBP
Retailer 3£5,816 GBP
Retailer 8£5,839 GBP
Retailer 5£7,866 GBP

30 data points across 8 retailers

16 retailers£4,243 GBP to £9,467 GBP

A
Cheapest Retailer
-
£4,243 GBP
B+
Retailer 2
-
£4,790 GBP
View
B+
Retailer 3
-
£4,936 GBP
View
B+
Retailer 4
-
£5,062 GBP
View
Retailer 5
-
£5,225 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£5,284 GBP
View
B
Retailer 7
-
£5,521 GBP
View
B+
Retailer 8
-
£5,641 GBP
View
B
Retailer 9
-
£5,660 GBP
View
B
Retailer 10
-
£5,748 GBP
View
B
Retailer 11
-
£5,782 GBP
View
B
Retailer 12
-
£5,816 GBP
View
B
Retailer 13
-
£5,839 GBP
View
B
Retailer 14
-
£6,531 GBP
View
B
Retailer 15
-
£7,866 GBP
View
Most Expensive
B
NZ Jewellers
c17802bd-7fcc-4d68-9f8f-e54b2126050f · Nov 5
£9,467 GBP
$12,671 USD
View
15 more retailers have this diamond
Prices start from £4,243 GBPSave up to £5,224 GBP

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
£4,243 GBP