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Marquise|Natural|GIA

1.09ct G VS1 Marquise Natural Diamond

EX • G/VS1 • GIA 1232998120

Certificate GIA 1232998120

Diamond specifications and retailer prices

From £3,902 GBP
As of November 2, 2026
Save £2,314 GBP (37%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,216 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.09ct natural marquise diamond

This 1.09ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232998120. Listed at 4 retailers as of November 2, 2026, with prices from £3,902 to £6,216, a £2,314 spread on the same certified stone. MOH London lists it at £6,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
G
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232998120
Dimensions9.98 × 5.39 × 3.32 mm
L/W Ratio1.85
Top View
9.98 mm5.39 mm1.09 ctG / VS1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1232998120
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £6,216 GBP|Low: £3,734 GBP|High: £6,708 GBP|Avg: £4,768 GBP|-6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£3,902 GBP
Retailer 4£4,031 GBP
Retailer 2£4,524 GBP
MOH London£6,216 GBP

45 data points across 4 retailers

4 retailers£3,902 GBP to £6,216 GBP

A
Cheapest Retailer
-
£3,902 GBP
Retailer 2
-
£4,031 GBP
A$8,322 AUD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
£4,524 GBP
€5,782 EUR
View
Most Expensive
B
MOH London
63F66097F · Nov 2
£6,216 GBP
View
3 more retailers have this diamond
Prices start from £3,902 GBPSave up to £2,314 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
1.09ct Marquise
£3,902 GBP