Marquise|Natural|GIA

1.73ct G IF Marquise Natural Diamond

EX • G/IF • GIA 1563648268

Certificate GIA 1563648268

Diamond specifications and retailer prices

From £13,912 GBP
$18,640 USD
As of November 1, 2026
Save £8,528 GBP (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £22,440 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.73ct natural marquise diamond

This 1.73ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563648268. Listed at 7 retailers as of November 1, 2026, with prices from £13,912 to £22,440, a £8,528 spread on the same certified stone. MOH London lists it at £22,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563648268
Dimensions13.55 × 5.80 × 3.70 mm
L/W Ratio2.34
Top View
13.55 mm5.80 mm1.73 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563648268
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.9%

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 1
Current: £22,440 GBP|Low: £13,912 GBP|High: £22,440 GBP|Avg: £16,037 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4£13,912 GBP
Retailer 5£14,306 GBP
Retailer 6£14,798 GBP
Retailer 3£14,798 GBP
Retailer 7£16,626 GBP
Retailer 2£17,428 GBP
MOH London£22,440 GBP

7 data points across 7 retailers

7 retailers£13,912 GBP to £22,440 GBP

A
Cheapest Retailer
-
£13,912 GBP
$18,640 USD
A
Retailer 2
-
£14,306 GBP
$19,169 USD
View
A
Retailer 3
-
£14,798 GBP
A$30,505 AUD
View
A
Retailer 4
-
£14,798 GBP
View
B+
Retailer 5
-
£16,626 GBP
$22,277 USD
View
B+
Retailer 6
-
£17,428 GBP
€22,240 EUR
View
Most Expensive
B
MOH London
F017D0B8F · Nov 1
£22,440 GBP
View
6 more retailers have this diamond
Prices start from £13,912 GBPSave up to £8,528 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
£13,912 GBP