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Marquise|Natural|GIA

0.75ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6243079759

Certificate GIA 6243079759

Diamond specifications and retailer prices

From £1,176 GBP
As of November 6, 2026
Save £763 GBP (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,939 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.75ct natural marquise diamond

This 0.75ct natural marquise sits in the just-under-one-carat band, graded H 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 6243079759. Listed at 3 retailers as of November 4, 2026, with prices from £1,176 to £1,939, a £763 spread on the same certified stone. MOH London lists it at £1,939. 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

0.75
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6243079759
Dimensions9.26 × 4.55 × 2.91 mm
L/W Ratio2.04
Culet sizeNone
Top View
9.26 mm4.55 mm0.75 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6243079759
Side View
Table 59.0%CrownGirdle: XTN-ETKPavilionCulet: NoneDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,939 GBP|Low: £1,148 GBP|High: £2,864 GBP|Avg: £1,692 GBP|-32.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,176 GBP
Retailer 2£1,470 GBP
MOH London£1,939 GBP

37 data points across 3 retailers

3 retailers£1,176 GBP to £1,939 GBP

B+
Cheapest Retailer
-
£1,176 GBP
B
Retailer 2
-
£1,470 GBP
View
Most Expensive
B
MOH London
4EBD35EEE · Nov 4
£1,939 GBP
View
2 more retailers have this diamond
Prices start from £1,176 GBPSave up to £763 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.

B+
0.75ct Marquise
£1,176 GBP