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Marquise|Natural|GIA

0.43ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6541301507

Certificate GIA 6541301507

Diamond specifications and retailer prices

From £247 GBP
₹31,517 INR
As of November 2, 2026
Save £534 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £781 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.43ct natural marquise diamond

This 0.43ct natural marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541301507. Listed at 9 retailers as of November 2, 2026, with prices from £247 to £781, a £534 spread on the same certified stone. MOH London lists it at £781. 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

0.43
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541301507
Dimensions7.64 × 3.83 × 2.45 mm
L/W Ratio1.99
Top View
7.64 mm3.83 mm0.43 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541301507
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: 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 2
Current: £781 GBP|Low: £247 GBP|High: £1,379 GBP|Avg: £531 GBP|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 4£247 GBP
Retailer 8£286 GBP
Retailer 5£338 GBP
Retailer 6£363 GBP
Retailer 9£364 GBP
Retailer 3£364 GBP
Retailer 2£551 GBP
MOH London£781 GBP
Retailer 7£1,297 GBP

38 data points across 9 retailers

9 retailers£247 GBP to £781 GBP

A
Cheapest Retailer
-
£247 GBP
₹31,517 INR
A
Retailer 2
-
£286 GBP
HK$3,000 HKD
View
A
Retailer 3
-
£338 GBP
$454 USD
View
A
Retailer 4
-
£363 GBP
$487 USD
View
Retailer 5
-
£364 GBP
SGD 660 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£364 GBP
$489 USD
View
B
Retailer 7
-
£551 GBP
View
Most Expensive
B
MOH London
B2DE3A9F9 · Nov 2
£781 GBP
View
7 more retailers have this diamond
Prices start from £247 GBPSave up to £534 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
0.43ct Marquise
£247 GBP