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Marquise|Natural|GIA

1.00ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 5566236467

Certificate GIA 5566236467

Diamond specifications and retailer prices

From £1,616 GBP
As of November 6, 2026
Save £2,744 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,360 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566236467. Listed at 14 retailers as of November 5, 2026, with prices from £1,616 to £4,360, a £2,744 spread on the same certified stone. NZ Jewellers lists it at £4,360. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566236467
Dimensions10.22 × 5.26 × 3.21 mm
L/W Ratio1.94
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Natural
Top View
10.22 mm5.26 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566236467
Side View
Table 60.0%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 6
Current: £4,360 GBP|Low: £1,606 GBP|High: £4,551 GBP|Avg: £2,363 GBP|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8£1,616 GBP
Retailer 2£1,617 GBP
Retailer 5£1,916 GBP
Retailer 3£1,925 GBP
Retailer 4£2,037 GBP
Retailer 6£2,050 GBP
Retailer 11£2,085 GBP
Retailer 10£2,166 GBP
Retailer 12£2,249 GBP
Retailer 13£2,250 GBP
Retailer 9£2,406 GBP
Retailer 7£3,644 GBP
NZ Jewellers£4,360 GBP

29 data points across 13 retailers

14 retailers£1,616 GBP to £4,360 GBP

A
Cheapest Retailer
-
£1,616 GBP
A
Retailer 2
-
£1,617 GBP
View
A
Retailer 3
-
£1,825 GBP
View
Retailer 4
-
£1,916 GBP
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,925 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,037 GBP
View
A
Retailer 7
-
£2,050 GBP
View
A
Retailer 8
-
£2,085 GBP
View
A
Retailer 9
-
£2,166 GBP
View
A
Retailer 10
-
£2,249 GBP
View
Retailer 11
-
£2,250 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£2,406 GBP
View
B
Retailer 13
-
£3,644 GBP
View
Most Expensive
B
NZ Jewellers
d6005754-5dcc-4206-9839-30d23bfd9e2b · Nov 5
£4,360 GBP
$5,836 USD
View
13 more retailers have this diamond
Prices start from £1,616 GBPSave up to £2,744 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
1.00ct Marquise
£1,616 GBP