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Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 6552738744

Certificate GIA 6552738744

Diamond specifications and retailer prices

From £2,140 GBP
As of November 6, 2026
Save £2,603 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,743 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded E 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 6552738744. Listed at 21 retailers as of November 2, 2026, with prices from £2,140 to £4,743, a £2,603 spread on the same certified stone. MOH London lists it at £4,743. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552738744
Dimensions9.88 × 5.26 × 3.26 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Crystal, Needle
Top View
9.88 mm5.26 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552738744
Side View
Table 61.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 61.9%

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 6
Current: £4,743 GBP|Low: £2,120 GBP|High: £4,808 GBP|Avg: £3,025 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 11£2,140 GBP
Retailer 8£2,224 GBP
Retailer 9£2,505 GBP
Retailer 13£2,539 GBP
Retailer 14£2,552 GBP
Retailer 3£2,617 GBP
Retailer 5£2,697 GBP
Retailer 2£2,855 GBP
Retailer 4£2,944 GBP
Retailer 6£3,050 GBP
Retailer 10£3,318 GBP
Retailer 7£3,461 GBP
Retailer 12£4,326 GBP
MOH London£4,743 GBP

33 data points across 14 retailers

21 retailers£2,140 GBP to £4,743 GBP

A
Cheapest Retailer
-
£2,140 GBP
A
Retailer 2
-
£2,224 GBP
View
A
Retailer 3
-
£2,505 GBP
View
B+
Retailer 4
-
£2,539 GBP
View
B+
Retailer 5
-
£2,552 GBP
View
B+
Retailer 6
-
£2,615 GBP
View
B+
Retailer 7
-
£2,615 GBP
View
B+
Retailer 8
-
£2,617 GBP
View
Final sale: no returns
B+
Retailer 9
-
£2,697 GBP
View
B+
Retailer 10
-
£2,776 GBP
View
Retailer 11
-
£2,848 GBP
View
Price last confirmed 29 days ago
Retailer 12
-
£2,848 GBP
View
Price last confirmed 29 days ago
B+
Retailer 13
-
£2,855 GBP
View
B+
Retailer 14
-
£2,944 GBP
View
Retailer 15
-
£2,958 GBP
View
Price last confirmed 36 days ago
Retailer 16
-
£3,050 GBP
View
Price last confirmed 29 days ago
Retailer 17
-
£3,286 GBP
View
Price last confirmed 38 days ago
B+
Retailer 18
-
£3,318 GBP
View
B+
Retailer 19
-
£3,461 GBP
View
Retailer 20
-
£4,326 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
FA74FAB1E · Nov 2
£4,743 GBP
View
20 more retailers have this diamond
Prices start from £2,140 GBPSave up to £2,603 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
1.01ct Marquise
£2,140 GBP