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Marquise|Natural|GIA

1.20ct I IF Marquise Natural Diamond

EX • I/IF • GIA 3555082539

Certificate GIA 3555082539

Diamond specifications and retailer prices

From £3,862 GBP
As of November 6, 2026
Save £4,803 GBP (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,665 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 I colour (near-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 3555082539. Listed at 20 retailers as of November 5, 2026, with prices from £3,862 to £8,665, a £4,803 spread on the same certified stone. NZ Jewellers lists it at £8,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555082539
Dimensions11.05 × 5.51 × 3.44 mm
L/W Ratio2.01
Top View
11.05 mm5.51 mm1.20 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555082539
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

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: £7,591 GBP|Low: £3,862 GBP|High: £7,715 GBP|Avg: £5,246 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 3£3,862 GBP
Retailer 6£4,782 GBP
Retailer 2£4,920 GBP
Retailer 7£5,003 GBP
Retailer 8£5,080 GBP
Retailer 4£5,321 GBP
Retailer 5£6,321 GBP
Retailer 1£7,591 GBP

36 data points across 8 retailers

20 retailers£3,862 GBP to £8,665 GBP

A
Cheapest Retailer
-
£3,862 GBP
B+
Retailer 2
-
£4,519 GBP
View
B+
Retailer 3
-
£4,635 GBP
View
Retailer 4
-
£4,782 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£4,782 GBP
View
Final sale: no returns
B+
Retailer 6
-
£4,800 GBP
View
B+
Retailer 7
-
£4,920 GBP
View
B
Retailer 8
-
£5,003 GBP
View
Retailer 9
-
£5,080 GBP
View
Price last confirmed 34 days ago
B+
Retailer 10
-
£5,181 GBP
View
B+
Retailer 11
-
£5,192 GBP
View
B+
Retailer 12
-
£5,260 GBP
View
B+
Retailer 13
-
£5,300 GBP
View
B+
Retailer 14
-
£5,301 GBP
View
B+
Retailer 15
-
£5,321 GBP
View
B
Retailer 16
-
£5,602 GBP
View
B
Retailer 17
-
£5,978 GBP
View
B
Retailer 18
-
£6,321 GBP
View
B
Retailer 19
-
£7,591 GBP
View
Most Expensive
B
NZ Jewellers
18ede350-d419-4aed-af12-c8ae874907a6 · Nov 5
£8,665 GBP
$11,598 USD
View
19 more retailers have this diamond
Prices start from £3,862 GBPSave up to £4,803 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
1.20ct Marquise
£3,862 GBP