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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7568379781

Certificate GIA 7568379781

Diamond specifications and retailer prices

From £349 GBP
₹44,618 INR
As of November 2, 2026
Save £699 GBP (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,048 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568379781. Listed at 8 retailers as of November 1, 2026, with prices from £349 to £1,048, a £699 spread on the same certified stone. MOH London lists it at £1,048. 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

0.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7568379781
Dimensions7.61 × 4.14 × 2.65 mm
L/W Ratio1.84
Top View
7.61 mm4.14 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7568379781
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 64.1%

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 2
Current: £1,048 GBP|Low: £349 GBP|High: £1,233 GBP|Avg: £636 GBP|-15.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£349 GBP
Retailer 7£382 GBP
Retailer 8£488 GBP
Retailer 5£550 GBP
Retailer 3£558 GBP
Retailer 6£568 GBP
Retailer 4£670 GBP
MOH London£1,048 GBP

37 data points across 8 retailers

8 retailers£349 GBP to £1,048 GBP

A
Cheapest Retailer
-
£349 GBP
₹44,618 INR
A
Retailer 2
-
£382 GBP
HK$4,000 HKD
View
Retailer 3
-
£488 GBP
$655 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
£550 GBP
$738 USD
View
B+
Retailer 5
-
£558 GBP
View
B+
Retailer 6
-
£568 GBP
View
B+
Retailer 7
-
£670 GBP
€856 EUR
View
Most Expensive
B
MOH London
3DC62B40C · Nov 1
£1,048 GBP
View
7 more retailers have this diamond
Prices start from £349 GBPSave up to £699 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
0.51ct Marquise
£349 GBP