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Marquise|Natural|GIA

1.00ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6552877341

Certificate GIA 6552877341

Diamond specifications and retailer prices

From £1,252 GBP
As of November 6, 2026
Save £2,229 GBP (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,482 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 6552877341. Listed at 16 retailers as of November 5, 2026, with prices from £1,252 to £3,482, a £2,229 spread on the same certified stone. NZ Jewellers lists it at £3,482. 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
FluorescenceStrong
Crown angle40°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552877341
Dimensions9.37 × 5.21 × 3.46 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizeNone
Top View
9.37 mm5.21 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552877341
Side View
Table 59.0%Crown 40°Girdle: STK-VTKPavilion 40.2°Culet: NoneDepth 66.5%

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: £1,252 GBP|Low: £1,252 GBP|High: £2,953 GBP|Avg: £1,774 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£1,252 GBP
Retailer 8£1,252 GBP
Retailer 4£1,500 GBP
Retailer 3£1,519 GBP
Retailer 9£1,537 GBP
Retailer 2£1,736 GBP
Retailer 5£1,827 GBP
Retailer 6£2,072 GBP
Retailer 7£2,917 GBP

33 data points across 9 retailers

16 retailers£1,252 GBP to £3,482 GBP

A
Cheapest Retailer
-
£1,252 GBP
A
Retailer 2
-
£1,252 GBP
View
A
Retailer 3
-
£1,430 GBP
View
A
Retailer 4
-
£1,500 GBP
View
A
Retailer 5
-
£1,519 GBP
View
A
Retailer 6
-
£1,537 GBP
View
Final sale: no returns
A
Retailer 7
-
£1,655 GBP
View
A
Retailer 8
-
£1,665 GBP
View
A
Retailer 9
-
£1,736 GBP
View
A
Retailer 10
-
£1,742 GBP
View
A
Retailer 11
-
£1,827 GBP
View
A
Retailer 12
-
£1,922 GBP
View
A
Retailer 13
-
£2,072 GBP
View
B+
Retailer 14
-
£2,416 GBP
View
B
Retailer 15
-
£2,917 GBP
View
Most Expensive
B
NZ Jewellers
a65d7a92-bb16-416f-8d83-af1ec00d1072 · Nov 5
£3,482 GBP
$4,660 USD
View
15 more retailers have this diamond
Prices start from £1,252 GBPSave up to £2,229 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
£1,252 GBP