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Marquise|Natural|GIA

1.20ct D IF Marquise Natural Diamond

EX • D/IF • GIA 1555505756

Certificate GIA 1555505756

Diamond specifications and retailer prices

From £6,999 GBP
As of November 4, 2026
Save £5,318 GBP (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £12,317 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D 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 1555505756. Listed at 12 retailers as of November 4, 2026, with prices from £6,999 to £12,317, a £5,318 spread on the same certified stone. MOH London lists it at £12,317. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555505756
Dimensions11.74 × 5.54 × 3.36 mm
L/W Ratio2.12
Top View
11.74 mm5.54 mm1.20 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555505756
Side View
Table 61.0%Crown 33.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.6%

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 4
Current: £12,317 GBP|Low: £6,999 GBP|High: £12,822 GBP|Avg: £9,270 GBP|-3.8%
MOH London
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 5, 2026
Retailer 11£6,999 GBP
Retailer 10£7,749 GBP
Retailer 13£7,997 GBP
Retailer 3£8,099 GBP
Retailer 2£8,462 GBP
Retailer 8£8,591 GBP
Retailer 5£8,954 GBP
Retailer 4£9,419 GBP
Retailer 12£9,683 GBP
Retailer 9£9,894 GBP
Retailer 6£9,961 GBP
Retailer 7£11,617 GBP
MOH London£12,317 GBP

44 data points across 13 retailers

12 retailers£6,999 GBP to £12,317 GBP

A
Cheapest Retailer
-
£6,999 GBP
Retailer 2
-
£7,749 GBP
View
Price last confirmed 24 days ago
B+
Retailer 3
-
£7,997 GBP
View
B+
Retailer 4
-
£8,099 GBP
View
B+
Retailer 5
-
£8,462 GBP
View
Retailer 6
-
£8,591 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£9,419 GBP
View
B+
Retailer 8
-
£9,683 GBP
View
B+
Retailer 9
-
£9,894 GBP
View
B+
Retailer 10
-
£9,961 GBP
View
B
Retailer 11
-
£11,617 GBP
View
Most Expensive
B
MOH London
DECEFEC33 · Nov 4
£12,317 GBP
View
11 more retailers have this diamond
Prices start from £6,999 GBPSave up to £5,318 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
£6,999 GBP