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Marquise|Natural|GIA

1.20ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 6552859108

Certificate GIA 6552859108

Diamond specifications and retailer prices

From £3,162 GBP
As of November 5, 2026
Save £3,550 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,712 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-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 6552859108. Listed at 15 retailers as of November 4, 2026, with prices from £3,162 to £6,712, a £3,550 spread on the same certified stone. MOH London lists it at £6,712. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552859108
Dimensions12.38 × 5.09 × 3.19 mm
L/W Ratio2.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
12.38 mm5.09 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552859108
Side View
Table 56.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 62.6%

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 5
Current: £6,712 GBP|Low: £3,162 GBP|High: £6,811 GBP|Avg: £4,395 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£3,162 GBP
Retailer 9£3,684 GBP
Retailer 10£3,949 GBP
Retailer 6£4,018 GBP
Retailer 3£4,081 GBP
Retailer 7£4,248 GBP
Retailer 8£4,340 GBP
Retailer 2£4,491 GBP
Retailer 4£5,156 GBP
MOH London£6,712 GBP

37 data points across 10 retailers

15 retailers£3,162 GBP to £6,712 GBP

A
Cheapest Retailer
-
£3,162 GBP
B+
Retailer 2
-
£3,684 GBP
View
B+
Retailer 3
-
£3,949 GBP
View
Retailer 4
-
£3,964 GBP
View
Price last confirmed 39 days ago
B+
Retailer 5
-
£4,018 GBP
View
B+
Retailer 6
-
£4,081 GBP
View
Retailer 7
-
£4,248 GBP
View
Price last confirmed 19 days ago
B
Retailer 8
-
£4,340 GBP
View
B+
Retailer 9
-
£4,491 GBP
View
Retailer 10
-
£4,574 GBP
View
Price last confirmed 38 days ago
Retailer 11
-
£4,754 GBP
View
Price last confirmed 61 days ago
B
Retailer 12
-
£4,902 GBP
View
B
Retailer 13
-
£5,156 GBP
View
Retailer 14
-
£6,630 GBP
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
330981A50 · Nov 4
£6,712 GBP
View
14 more retailers have this diamond
Prices start from £3,162 GBPSave up to £3,550 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
1.20ct Marquise
£3,162 GBP