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Marquise|Natural|GIA

1.00ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6552797799

Certificate GIA 6552797799

Diamond specifications and retailer prices

From £1,979 GBP
As of November 6, 2026
Save £2,600 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,579 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 6552797799. Listed at 19 retailers as of November 5, 2026, with prices from £1,979 to £4,579, a £2,600 spread on the same certified stone. NZ Jewellers lists it at £4,579. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552797799
Dimensions11.52 × 4.79 × 3.04 mm
L/W Ratio2.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
11.52 mm4.79 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552797799
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

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: £4,579 GBP|Low: £1,979 GBP|High: £4,595 GBP|Avg: £3,081 GBP|-0.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 3£1,979 GBP
Retailer 2£2,049 GBP
Retailer 14£2,328 GBP
Retailer 6£2,426 GBP
Retailer 10£2,584 GBP
Retailer 15£2,628 GBP
Retailer 9£2,638 GBP
Retailer 12£2,703 GBP
Retailer 16£2,729 GBP
Retailer 4£2,736 GBP
Retailer 11£2,756 GBP
Retailer 17£2,787 GBP
Retailer 13£3,033 GBP
Retailer 5£3,076 GBP
Retailer 8£4,175 GBP
Retailer 7£4,411 GBP
NZ Jewellers£4,579 GBP

24 data points across 17 retailers

19 retailers£1,979 GBP to £4,579 GBP

A
Cheapest Retailer
-
£1,979 GBP
A
Retailer 2
-
£2,049 GBP
View
B+
Retailer 3
-
£2,328 GBP
View
B+
Retailer 4
-
£2,426 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,451 GBP
View
B+
Retailer 6
-
£2,584 GBP
View
B+
Retailer 7
-
£2,628 GBP
View
Retailer 8
-
£2,638 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£2,638 GBP
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£2,703 GBP
View
B+
Retailer 11
-
£2,729 GBP
View
B+
Retailer 12
-
£2,736 GBP
View
B+
Retailer 13
-
£2,756 GBP
View
B+
Retailer 14
-
£2,787 GBP
View
B+
Retailer 15
-
£3,033 GBP
View
B+
Retailer 16
-
£3,076 GBP
View
Retailer 17
-
£4,175 GBP
View
Price last confirmed 10 days ago
B
Retailer 18
-
£4,411 GBP
View
Most Expensive
B
NZ Jewellers
0e9d48be-5108-49aa-82bf-2171f06e0c13 · Nov 5
£4,579 GBP
$6,129 USD
View
18 more retailers have this diamond
Prices start from £1,979 GBPSave up to £2,600 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
£1,979 GBP