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Marquise|Lab Grown|IGI

1.59ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784644870

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784644870

Diamond specifications and retailer prices

From £501 GBP
$671 USD
As of October 30, 2026
Save £3,947 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,448 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644870 or 784644870. Listed at 15 retailers as of October 30, 2026, with prices from £501 to £4,448, a £3,947 spread on the same certified stone. Do Amore Diamonds lists it at £4,448. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644870
Dimensions11.73 × 6.11 × 3.77 mm
L/W Ratio1.92
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
11.73 mm6.11 mm1.59 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644870
Side View
Table 58.0%Crown 35.7°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 61.7%

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 30
Current: £4,448 GBP|Low: £501 GBP|High: £5,918 GBP|Avg: £1,668 GBP|-24.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9£501 GBP
Retailer 3£545 GBP
Retailer 11£697 GBP
Retailer 6£734 GBP
Retailer 4£735 GBP
Retailer 7£746 GBP
Retailer 10£946 GBP
Retailer 8£1,080 GBP
Retailer 13£1,280 GBP
Retailer 12£1,484 GBP
Retailer 14£1,803 GBP
Retailer 15£2,521 GBP
Retailer 5£2,526 GBP
Retailer 2£2,620 GBP
Do Amore Diamonds£4,448 GBP

32 data points across 15 retailers

15 retailers£501 GBP to £4,448 GBP

A
Cheapest Retailer
-
£501 GBP
$671 USD
A
Retailer 2
-
£545 GBP
$730 USD
View
A
Retailer 3
-
£697 GBP
$934 USD
View
A
Retailer 4
-
£734 GBP
$983 USD
View
A
Retailer 5
-
£735 GBP
$985 USD
View
A
Retailer 6
-
£746 GBP
$1,000 USD
View
Final sale: no returns
A
Retailer 7
-
£946 GBP
$1,268 USD
View
A
Retailer 8
-
£1,080 GBP
€1,378 EUR
View
B+
Retailer 9
-
£1,280 GBP
A$2,638 AUD
View
B+
Retailer 10
-
£1,484 GBP
$1,988 USD
View
B+
Retailer 11
-
£1,803 GBP
$2,416 USD
View
B+
Retailer 12
-
£2,521 GBP
View
B+
Retailer 13
-
£2,526 GBP
$3,385 USD
View
B
Retailer 14
-
£2,620 GBP
$3,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7678F349 · Oct 30
£4,448 GBP
$5,960 USD
View
14 more retailers have this diamond
Prices start from £501 GBPSave up to £3,947 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
£501 GBP