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Marquise|Lab Grown|IGI

0.59ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG778617169

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778617169

Diamond specifications and retailer prices

From £243 GBP
$326 USD
As of October 30, 2026
Save £1,409 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,652 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 0.59ct lab-grown marquise diamond

This 0.59ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778617169 or 778617169. Listed at 10 retailers as of October 30, 2026, with prices from £243 to £1,652, a £1,409 spread on the same certified stone. Diamond Exchange Canada lists it at £1,652. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.59
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778617169
Dimensions8.52 × 4.52 × 2.70 mm
L/W Ratio1.88
Girdle conditionFaceted
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
8.52 mm4.52 mm0.59 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778617169
Side View
Table 60.0%Crown 34.2°Girdle: THN-STKPavilion 39.6°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
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: £1,652 GBP|Low: £243 GBP|High: £3,567 GBP|Avg: £1,205 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£243 GBP
Retailer 5£410 GBP
Retailer 2£425 GBP
Retailer 7£491 GBP
Retailer 11£699 GBP
Retailer 3£774 GBP
Retailer 8£918 GBP
Retailer 6£1,074 GBP
Retailer 4£1,195 GBP
Diamond Exchange Canada£1,652 GBP
Retailer 10£3,567 GBP

28 data points across 11 retailers

10 retailers£243 GBP to £1,652 GBP

A
Cheapest Retailer
-
£243 GBP
$326 USD
A
Retailer 2
-
£410 GBP
$550 USD
View
B+
Retailer 3
-
£425 GBP
$570 USD
View
B+
Retailer 4
-
£491 GBP
$658 USD
View
B
Retailer 5
-
£699 GBP
$937 USD
View
B
Retailer 6
-
£918 GBP
€1,171 EUR
View
B
Retailer 7
-
£1,074 GBP
$1,440 USD
View
B
Retailer 8
-
£1,195 GBP
View
Most Expensive
B
Diamond Exchange Canada
1995490539 · Oct 30
£1,652 GBP
CA$3,074 CAD
View
8 more retailers have this diamond
Prices start from £243 GBPSave up to £1,409 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
0.59ct Marquise
£243 GBP