Marquise|Natural|GIA

0.53ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2517403903

Certificate GIA 2517403903

Diamond specifications and retailer prices

From £392 GBP
As of November 6, 2026
Save £622 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,014 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517403903. Listed at 8 retailers as of November 4, 2026, with prices from £392 to £1,014, a £622 spread on the same certified stone. MOH London lists it at £1,014. 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

0.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2517403903
Dimensions9.42 × 4.17 × 2.47 mm
L/W Ratio2.26
Top View
9.42 mm4.17 mm0.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2517403903
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

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: £1,014 GBP|Low: £392 GBP|High: £1,029 GBP|Avg: £621 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£392 GBP
Retailer 2£412 GBP
Retailer 5£421 GBP
Retailer 4£666 GBP
Retailer 3£782 GBP
MOH London£1,014 GBP

41 data points across 6 retailers

8 retailers£392 GBP to £1,014 GBP

A
Cheapest Retailer
-
£392 GBP
Final sale: no returns
A
Retailer 2
-
£412 GBP
View
A
Retailer 3
-
£421 GBP
View
Retailer 4
-
£609 GBP
View
Price last confirmed 81 days ago
B+
Retailer 5
-
£638 GBP
View
B+
Retailer 6
-
£666 GBP
View
B
Retailer 7
-
£782 GBP
View
Most Expensive
B
MOH London
0DA35AAE7 · Nov 4
£1,014 GBP
View
7 more retailers have this diamond
Prices start from £392 GBPSave up to £622 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
0.53ct Marquise
£392 GBP