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Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 6541922834

Certificate GIA 6541922834

Diamond specifications and retailer prices

From £2,875 GBP
As of November 5, 2026
Save £3,535 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,410 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6541922834. Listed at 21 retailers as of November 5, 2026, with prices from £2,875 to £6,410, a £3,535 spread on the same certified stone. NZ Jewellers lists it at £6,410. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.65°
Pavilion angle38.56°
OriginNatural
Grading LabGIA
CertificateGIA 6541922834
Dimensions9.86 × 5.21 × 3.20 mm
L/W Ratio1.89
Top View
9.86 mm5.21 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541922834
Side View
Table 60.0%Crown 38.65°Girdle: MED-THKPavilion 38.56°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,575 GBP|Low: £3,147 GBP|High: £5,930 GBP|Avg: £3,830 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£3,147 GBP
Retailer 11£3,154 GBP
Retailer 9£3,333 GBP
Retailer 10£3,333 GBP
Retailer 1£3,575 GBP
Retailer 5£3,601 GBP
Retailer 3£3,630 GBP
Retailer 8£3,708 GBP
Retailer 4£3,907 GBP
Retailer 6£4,488 GBP
Retailer 7£5,844 GBP

46 data points across 11 retailers

21 retailers£2,875 GBP to £6,410 GBP

B+
Cheapest Retailer
-
£2,875 GBP
B+
Retailer 2
-
£2,933 GBP
View
B+
Retailer 3
-
£3,041 GBP
View
B+
Retailer 4
-
£3,130 GBP
View
B+
Retailer 5
-
£3,147 GBP
View
B+
Retailer 6
-
£3,154 GBP
View
Retailer 7
-
£3,333 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£3,333 GBP
View
B+
Retailer 9
-
£3,333 GBP
View
B+
Retailer 10
-
£3,575 GBP
View
B+
Retailer 11
-
£3,601 GBP
View
B+
Retailer 12
-
£3,630 GBP
View
Retailer 13
-
£3,708 GBP
View
Price last confirmed 28 days ago
B+
Retailer 14
-
£3,745 GBP
View
B+
Retailer 15
-
£3,745 GBP
View
B
Retailer 16
-
£3,846 GBP
View
B
Retailer 17
-
£3,871 GBP
View
B+
Retailer 18
-
£3,907 GBP
View
B
Retailer 19
-
£4,488 GBP
View
B
Retailer 20
-
£5,844 GBP
View
Most Expensive
B
NZ Jewellers
41f491d1-e7a6-46fe-bcec-b1e227050744 · Nov 5
£6,410 GBP
$8,627 USD
View
20 more retailers have this diamond
Prices start from £2,875 GBPSave up to £3,535 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+
1.01ct Marquise
£2,875 GBP