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Marquise|Lab Grown|GCAL

1.65ct E IF Marquise Lab Grown Diamond

EX • E/IF • GCAL 353426327

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 353426327

Diamond specifications and retailer prices

From £828 GBP
$1,103 USD
As of October 28, 2026
Save £5,704 GBP (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,533 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 353426327. Listed at 10 retailers as of October 28, 2026, with prices from £828 to £6,533, a £5,704 spread on the same certified stone. MOH London lists it at £6,533. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353426327
Dimensions11.64 × 6.23 × 3.94 mm
L/W Ratio1.87
Culet sizeNone
Top View
11.64 mm6.23 mm1.65 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353426327
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.3%

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: Oct 28
Current: £6,533 GBP|Low: £828 GBP|High: £10,710 GBP|Avg: £3,534 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£828 GBP
Retailer 4£1,232 GBP
Retailer 10£1,352 GBP
Retailer 6£2,522 GBP
Retailer 9£2,686 GBP
Retailer 5£2,846 GBP
Retailer 8£2,846 GBP
Retailer 3£3,250 GBP
Retailer 11£3,457 GBP
MOH London£6,533 GBP
Retailer 2£10,669 GBP

18 data points across 11 retailers

10 retailers£828 GBP to £6,533 GBP

A
Cheapest Retailer
-
£828 GBP
$1,103 USD
A
Retailer 2
-
£1,232 GBP
$1,640 USD
View
B+
Retailer 3
-
£1,352 GBP
$1,801 USD
View
B
Retailer 4
-
£2,522 GBP
$3,358 USD
View
B
Retailer 5
-
£2,686 GBP
CA$4,967 CAD
View
B
Retailer 6
-
£2,846 GBP
$3,790 USD
View
B
Retailer 7
-
£2,846 GBP
$3,790 USD
View
B
Retailer 8
-
£3,250 GBP
$4,328 USD
View
Most Expensive
B
MOH London
353426327 · Oct 29
£6,533 GBP
View
8 more retailers have this diamond
Prices start from £828 GBPSave up to £5,704 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
1.65ct Marquise
£828 GBP