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Marquise|Natural|GIA

1.51ct G IF Marquise Natural Diamond

EX • G/IF • GIA 5546301834

Certificate GIA 5546301834

Diamond specifications and retailer prices

From £13,871 GBP
As of November 4, 2026
Save £7,482 GBP (35%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £21,353 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct 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 5546301834. Listed at 18 retailers as of November 4, 2026, with prices from £13,871 to £21,353, a £7,482 spread on the same certified stone. MOH London lists it at £21,353. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546301834
Dimensions12.39 × 5.79 × 3.61 mm
L/W Ratio2.14
Top View
12.39 mm5.79 mm1.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546301834
Side View
Table 58.0%CrownGirdle: STK-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 4
Current: £21,353 GBP|Low: £13,871 GBP|High: £21,668 GBP|Avg: £16,007 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£13,871 GBP
Retailer 7£13,911 GBP
Retailer 3£14,130 GBP
Retailer 4£14,487 GBP
Retailer 6£14,501 GBP
Retailer 9£14,504 GBP
Retailer 10£15,889 GBP
Retailer 5£16,563 GBP
Retailer 2£20,001 GBP
MOH London£21,353 GBP

39 data points across 10 retailers

18 retailers£13,871 GBP to £21,353 GBP

A
Cheapest Retailer
-
£13,871 GBP
A
Retailer 2
-
£13,911 GBP
View
A
Retailer 3
-
£14,130 GBP
View
A
Retailer 4
-
£14,487 GBP
View
B+
Retailer 5
-
£14,501 GBP
View
Final sale: no returns
Retailer 6
-
£14,504 GBP
View
Price last confirmed 33 days ago
B+
Retailer 7
-
£14,771 GBP
View
Retailer 8
-
£15,132 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£15,773 GBP
View
B+
Retailer 10
-
£15,889 GBP
View
B+
Retailer 11
-
£15,973 GBP
View
B+
Retailer 12
-
£16,393 GBP
View
B+
Retailer 13
-
£16,563 GBP
View
B
Retailer 14
-
£16,824 GBP
View
B
Retailer 15
-
£17,023 GBP
View
B
Retailer 16
-
£19,421 GBP
View
B
Retailer 17
-
£20,001 GBP
View
Most Expensive
B
MOH London
70C565E01 · Nov 4
£21,353 GBP
View
17 more retailers have this diamond
Prices start from £13,871 GBPSave up to £7,482 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
1.51ct Marquise
£13,871 GBP