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Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG700514302

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700514302

Diamond specifications and retailer prices

From £520 GBP
$692 USD
As of October 29, 2026
Save £1,983 GBP (79%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,502 GBP at MOH London · As of October 26, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700514302 or 700514302. Listed at 31 retailers as of October 26, 2026, with prices from £520 to £2,502, a £1,983 spread on the same certified stone. MOH London lists it at £2,502. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700514302
Dimensions12.03 × 6.05 × 3.86 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.03 mm6.05 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700514302
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,502 GBP|Low: £464 GBP|High: £2,502 GBP|Avg: £1,287 GBP
MOH London
Retailer 2
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October 29, 2026
Retailer 11£464 GBP
Retailer 18£520 GBP
Retailer 10£576 GBP
Retailer 20£635 GBP
Retailer 4£663 GBP
Retailer 24£734 GBP
Retailer 17£813 GBP
Retailer 13£883 GBP
Retailer 2£902 GBP
Retailer 9£919 GBP
Retailer 19£989 GBP
Retailer 21£1,340 GBP
Retailer 12£1,366 GBP
Retailer 23£1,428 GBP
Retailer 16£1,671 GBP
Retailer 22£1,802 GBP
Retailer 7£1,838 GBP
Retailer 6£1,860 GBP
Retailer 3£1,899 GBP
Retailer 14£1,913 GBP
Retailer 5£1,928 GBP
Retailer 15£2,017 GBP
Retailer 8£2,403 GBP
MOH London£2,502 GBP

32 data points across 24 retailers

31 retailers£520 GBP to £2,502 GBP

A
Retailer 1
-
£464 GBP
$618 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£481 GBP
$641 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£520 GBP
$692 USD
View
Final sale: no returns
A
Retailer 4
-
£523 GBP
$697 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£550 GBP
$733 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
£576 GBP
$767 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
£576 GBP
$767 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
£635 GBP
$845 USD
View
A
Retailer 9
-
£663 GBP
HK$6,900 HKD
View
A
Retailer 10
-
£734 GBP
$978 USD
View
A
Retailer 11
-
£813 GBP
$1,082 USD
View
A
Retailer 12
-
£883 GBP
€1,120 EUR
View
A
Retailer 13
-
£902 GBP
View
A
Retailer 14
-
£919 GBP
$1,224 USD
View
A
Retailer 15
-
£989 GBP
ZAR 21,287 ZAR
View
B+
Retailer 16
-
£1,340 GBP
A$2,745 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£1,366 GBP
$1,819 USD
View
B+
Retailer 18
-
£1,428 GBP
$1,902 USD
View
B+
Retailer 19
-
£1,515 GBP
$2,017 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
-
£1,515 GBP
$2,017 USD
View
B+
Retailer 21
-
£1,570 GBP
$2,091 USD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
£1,671 GBP
View
B+
Retailer 23
-
£1,802 GBP
$2,400 USD
View
B+
Retailer 24
-
£1,838 GBP
$2,447 USD
View
B+
Retailer 25
-
£1,860 GBP
$2,477 USD
View
B+
Retailer 26
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£1,899 GBP
$2,528 USD
View
B+
Retailer 27
-
£1,913 GBP
SGD 3,442 SGD
View
B+
Retailer 28
-
£1,928 GBP
A$3,949 AUD
View
Price last confirmed 21 days ago
B
Retailer 29
-
£2,017 GBP
$2,686 USD
View
B
Retailer 30
-
£2,403 GBP
$3,200 USD
View
Most Expensive
B
MOH London
LG700514302 · Oct 26
£2,502 GBP
View
30 more retailers have this diamond
Prices start from £520 GBPSave up to £1,983 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
1.59ct Marquise
£520 GBP