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Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1558980939

Certificate GIA 1558980939

Diamond specifications and retailer prices

From £2,356 GBP
As of November 4, 2026
Save £3,268 GBP (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,624 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 1558980939. Listed at 24 retailers as of November 4, 2026, with prices from £2,356 to £5,624, a £3,268 spread on the same certified stone. NZ Jewellers lists it at £5,624. 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
FluorescenceNone
Crown angle30.49°
Pavilion angle38.03°
OriginNatural
Grading LabGIA
CertificateGIA 1558980939
Dimensions9.99 × 5.32 × 3.26 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
9.99 mm5.32 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558980939
Side View
Table 65.0%Crown 30.49°Girdle: STK-VTKPavilion 38.03°Culet: NoneDepth 61.3%

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: £5,624 GBP|Low: £2,355 GBP|High: £5,691 GBP|Avg: £3,304 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 11
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Retailer 17
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Retailer 22
Retailer 23
November 6, 2026
Retailer 14£2,356 GBP
Retailer 10£2,396 GBP
Retailer 15£2,505 GBP
Retailer 12£2,576 GBP
Retailer 5£2,606 GBP
Retailer 16£2,619 GBP
Retailer 22£2,785 GBP
Retailer 7£2,924 GBP
Retailer 23£2,924 GBP
Retailer 3£2,982 GBP
Retailer 4£3,011 GBP
Retailer 21£3,076 GBP
Retailer 13£3,132 GBP
Retailer 19£3,375 GBP
Retailer 18£3,432 GBP
Retailer 2£3,433 GBP
Retailer 9£3,439 GBP
Retailer 17£3,544 GBP
Retailer 11£3,649 GBP
Retailer 20£4,286 GBP
Retailer 8£4,855 GBP
Retailer 6£5,128 GBP
NZ Jewellers£5,624 GBP

23 data points across 23 retailers

24 retailers£2,356 GBP to £5,624 GBP

A
Cheapest Retailer
-
£2,356 GBP
A
Retailer 2
-
£2,396 GBP
View
A
Retailer 3
-
£2,505 GBP
View
A
Retailer 4
-
£2,576 GBP
View
A
Retailer 5
-
£2,606 GBP
View
Retailer 6
-
£2,619 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£2,785 GBP
View
B+
Retailer 8
-
£2,924 GBP
View
B+
Retailer 9
-
£2,924 GBP
View
B+
Retailer 10
-
£2,982 GBP
View
B+
Retailer 11
-
£3,011 GBP
View
B+
Retailer 12
-
£3,076 GBP
View
Retailer 13
-
£3,081 GBP
View
Price last confirmed 14 days ago
B+
Retailer 14
-
£3,132 GBP
View
B+
Retailer 15
-
£3,375 GBP
View
B+
Retailer 16
-
£3,432 GBP
View
B+
Retailer 17
-
£3,433 GBP
View
B+
Retailer 18
-
£3,439 GBP
View
B+
Retailer 19
-
£3,544 GBP
View
B+
Retailer 20
-
£3,649 GBP
View
B
Retailer 21
-
£4,286 GBP
View
B
Retailer 22
-
£4,855 GBP
View
B
Retailer 23
-
£5,128 GBP
View
Most Expensive
B
NZ Jewellers
61d01a58-0c97-491d-8544-5b10e871e9a8 · Nov 5
£5,624 GBP
$7,570 USD
View
23 more retailers have this diamond
Prices start from £2,356 GBPSave up to £3,268 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
£2,356 GBP