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Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754595360

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595360

Diamond specifications and retailer prices

From £538 GBP
$717 USD
As of October 29, 2026
Save £1,827 GBP (77%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,365 GBP at MOH London · As of October 29, 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 LG754595360 or 754595360. Listed at 27 retailers as of October 29, 2026, with prices from £538 to £2,365, a £1,827 spread on the same certified stone. MOH London lists it at £2,365. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595360
Dimensions12.08 × 6.08 × 3.83 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
12.08 mm6.08 mm1.59 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595360
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.0%

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: £2,365 GBP|Low: £481 GBP|High: £2,456 GBP|Avg: £1,336 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 6£481 GBP
Retailer 12£538 GBP
Retailer 14£661 GBP
Retailer 15£682 GBP
Retailer 7£843 GBP
Retailer 10£892 GBP
Retailer 11£915 GBP
Retailer 17£1,000 GBP
Retailer 13£1,026 GBP
Retailer 16£1,389 GBP
Retailer 4£1,426 GBP
Retailer 9£1,740 GBP
Retailer 3£1,810 GBP
Retailer 8£1,905 GBP
Retailer 5£1,938 GBP
Retailer 2£2,058 GBP
MOH London£2,365 GBP

36 data points across 17 retailers

27 retailers£538 GBP to £2,365 GBP

A
Cheapest Retailer
-
£538 GBP
$717 USD
Final sale: no returns
Retailer 2
-
£559 GBP
$744 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£661 GBP
$880 USD
View
A
Retailer 4
-
£682 GBP
HK$7,100 HKD
View
A
Retailer 5
-
£744 GBP
$991 USD
View
A
Retailer 6
-
£843 GBP
$1,122 USD
View
A
Retailer 7
-
£892 GBP
View
A
Retailer 8
-
£915 GBP
€1,161 EUR
View
A
Retailer 9
-
£924 GBP
$1,230 USD
View
A
Retailer 10
-
£1,000 GBP
A$2,048 AUD
View
A
Retailer 11
-
£1,026 GBP
ZAR 22,069 ZAR
View
Retailer 12
-
£1,389 GBP
A$2,846 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£1,418 GBP
$1,889 USD
View
B+
Retailer 14
-
£1,426 GBP
$1,899 USD
View
Retailer 15
-
£1,570 GBP
$2,091 USD
View
Price last confirmed 20 days ago
B+
Retailer 16
-
£1,570 GBP
$2,091 USD
View
Retailer 17
-
£1,570 GBP
$2,091 USD
View
Price last confirmed 29 days ago
Retailer 18
-
£1,740 GBP
View
Price last confirmed 28 days ago
B+
Retailer 19
-
£1,810 GBP
$2,410 USD
View
B+
Retailer 20
-
£1,905 GBP
$2,537 USD
View
B+
Retailer 21
-
£1,927 GBP
$2,566 USD
View
Retailer 22
-
£1,938 GBP
A$3,971 AUD
View
Price last confirmed 21 days ago
B+
Retailer 23
-
£1,953 GBP
$2,601 USD
View
B
Retailer 24
-
£1,983 GBP
SGD 3,568 SGD
View
B+
Retailer 25
-
£2,058 GBP
$2,740 USD
View
B
Retailer 26
-
£2,094 GBP
$2,789 USD
View
Most Expensive
B
MOH London
LG754595360 · Oct 29
£2,365 GBP
View
26 more retailers have this diamond
Prices start from £538 GBPSave up to £1,827 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
£538 GBP