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Marquise|Natural|GIA

1.25ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 6233979172

Certificate GIA 6233979172

Diamond specifications and retailer prices

From £3,935 GBP
As of November 4, 2026
Save £3,843 GBP (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £7,778 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct natural marquise diamond

This 1.25ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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 6233979172. Listed at 9 retailers as of November 2, 2026, with prices from £3,935 to £7,778, a £3,843 spread on the same certified stone. MOH London lists it at £7,778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6233979172
Dimensions10.46 × 5.85 × 3.57 mm
L/W Ratio1.79
Culet sizeNone
Top View
10.46 mm5.85 mm1.25 ctI / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6233979172
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.0%

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 4
Current: £7,778 GBP|Low: £3,893 GBP|High: £7,872 GBP|Avg: £5,314 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£3,935 GBP
Retailer 4£4,283 GBP
Retailer 8£4,299 GBP
Retailer 5£5,177 GBP
Retailer 7£5,401 GBP
Retailer 2£5,540 GBP
Retailer 3£5,767 GBP
Retailer 9£5,818 GBP
MOH London£7,778 GBP

40 data points across 9 retailers

9 retailers£3,935 GBP to £7,778 GBP

A
Cheapest Retailer
-
£3,935 GBP
A
Retailer 2
-
£4,283 GBP
View
Final sale: no returns
A
Retailer 3
-
£4,299 GBP
View
Retailer 4
-
£5,177 GBP
View
Price last confirmed 33 days ago
B+
Retailer 5
-
£5,401 GBP
View
B+
Retailer 6
-
£5,540 GBP
View
B+
Retailer 7
-
£5,767 GBP
View
Retailer 8
-
£5,818 GBP
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
9B59CB7BB · Nov 2
£7,778 GBP
View
8 more retailers have this diamond
Prices start from £3,935 GBPSave up to £3,843 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
1.25ct Marquise
£3,935 GBP