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Marquise|Natural|GIA

1.20ct F IF Marquise Natural Diamond

EX • F/IF • GIA 1545657809

Certificate GIA 1545657809

Diamond specifications and retailer prices

From £6,473 GBP
As of November 5, 2026
Save £4,556 GBP (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,029 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545657809. Listed at 17 retailers as of November 5, 2026, with prices from £6,473 to £11,029, a £4,556 spread on the same certified stone. NZ Jewellers lists it at £11,029. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545657809
Dimensions10.60 × 5.45 × 3.46 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Top View
10.60 mm5.45 mm1.20 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545657809
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.5%

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: £11,029 GBP|Low: £5,269 GBP|High: £11,029 GBP|Avg: £7,456 GBP
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 7, 2026
Retailer 10£5,269 GBP
Retailer 11£5,343 GBP
Retailer 8£5,601 GBP
Retailer 5£6,473 GBP
Retailer 19£6,616 GBP
Retailer 9£6,661 GBP
Retailer 16£6,900 GBP
Retailer 14£6,982 GBP
Retailer 4£7,165 GBP
Retailer 15£7,237 GBP
Retailer 18£7,238 GBP
Retailer 3£7,882 GBP
Retailer 21£7,882 GBP
Retailer 7£7,947 GBP
Retailer 6£7,961 GBP
Retailer 17£7,978 GBP
Retailer 12£8,098 GBP
Retailer 20£8,143 GBP
Retailer 2£9,643 GBP
Retailer 13£10,279 GBP
NZ Jewellers£11,029 GBP

35 data points across 21 retailers

17 retailers£6,473 GBP to £11,029 GBP

Retailer 1
-
£5,269 GBP
Price last confirmed 53 days ago
B+
Retailer 2
-
£6,473 GBP
View
B+
Retailer 3
-
£6,616 GBP
View
Final sale: no returns
B+
Retailer 4
-
£6,661 GBP
View
B+
Retailer 5
-
£6,900 GBP
View
B+
Retailer 6
-
£7,165 GBP
View
B+
Retailer 7
-
£7,237 GBP
View
B+
Retailer 8
-
£7,238 GBP
View
B+
Retailer 9
-
£7,882 GBP
View
B+
Retailer 10
-
£7,882 GBP
View
B+
Retailer 11
-
£7,947 GBP
View
B+
Retailer 12
-
£7,961 GBP
View
B+
Retailer 13
-
£7,978 GBP
View
B+
Retailer 14
-
£8,143 GBP
View
B
Retailer 15
-
£9,643 GBP
View
B
Retailer 16
-
£10,279 GBP
View
Most Expensive
B
NZ Jewellers
f49a4ef3-7417-4df1-bb03-8078f4ee5f86 · Nov 5
£11,029 GBP
$14,762 USD
View
16 more retailers have this diamond
Prices start from £6,473 GBPSave up to £4,556 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+
1.20ct Marquise
£6,473 GBP