Marquise|Lab Grown|GCAL

1.59ct F FL Marquise Lab Grown Diamond

EX • F/FL • GCAL 360777320

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 360777320

Diamond specifications and retailer prices

From £2,907 GBP
As of November 4, 2026
Save £1,425 GBP (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £7,152 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 360777320. Listed at 6 retailers as of November 4, 2026, with a 49% 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

1.59
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360777320
Dimensions11.74 × 6.22 × 3.82 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.74 mm6.22 mm1.59 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360777320
Side View
Table 57.0%Crown 35°Girdle: STN-MEDPavilion 40.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £7,152 GBP|Low: £2,253 GBP|High: £16,881 GBP|Avg: £6,320 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7£2,253 GBP
Retailer 9£2,907 GBP
Retailer 5£2,922 GBP
Retailer 8£3,760 GBP
Retailer 6£4,332 GBP
Retailer 3£4,722 GBP
MOH London£7,152 GBP
Retailer 2£11,859 GBP
Retailer 4£16,881 GBP

19 data points across 9 retailers

6 retailers£2,907 GBP to £4,332 GBP

B
Cheapest Retailer
-
£2,907 GBP
B
Retailer 2
-
£2,922 GBP
View
B
Retailer 3
-
£4,332 GBP
View
Most Expensive
MOH London
360777320 · Nov 5
£7,152 GBP
View
Price under review
3 more retailers have this diamond
Prices start from £2,907 GBPSave up to £1,425 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
1.59ct Marquise
£2,907 GBP