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Marquise|Lab Grown|GIA

1.05ct F IF Marquise Lab Grown Diamond

ID • F/IF • GIA 6522139538

Certificate GIA 6522139538

Diamond specifications and retailer prices

From £571 GBP
As of November 4, 2026
Save £1,484 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,739 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown 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 6522139538. Listed at 10 retailers as of November 4, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6522139538
Dimensions10.87 × 5.26 × 3.26 mm
L/W Ratio2.07
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
10.87 mm5.26 mm1.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522139538
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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: £2,739 GBP|Low: £551 GBP|High: £2,791 GBP|Avg: £1,372 GBP|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 2£571 GBP
Retailer 5£621 GBP
Retailer 11£644 GBP
Retailer 7£662 GBP
Retailer 9£1,243 GBP
Retailer 10£1,330 GBP
Retailer 8£1,344 GBP
Retailer 3£1,646 GBP
Retailer 6£2,015 GBP
Retailer 4£2,054 GBP
MOH London£2,739 GBP

28 data points across 11 retailers

10 retailers£571 GBP to £2,054 GBP

A
Cheapest Retailer
-
£571 GBP
B+
Retailer 2
-
£621 GBP
View
B+
Retailer 3
-
£644 GBP
View
Final sale: no returns
B+
Retailer 4
-
£662 GBP
View
B+
Retailer 5
-
£1,243 GBP
View
B
Retailer 6
-
£1,330 GBP
View
B+
Retailer 7
-
£1,344 GBP
View
B
Retailer 8
-
£2,015 GBP
View
B
Retailer 9
-
£2,054 GBP
View
Most Expensive
MOH London
6522139538 · Nov 3
£2,739 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £571 GBPSave up to £1,484 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
1.05ct Marquise
£571 GBP