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Marquise|Lab Grown|IGI

1.02ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG830624139

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830624139

Diamond specifications and retailer prices

From £153 GBP
$204 USD
As of October 27, 2026
Save £1,341 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,494 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624139 or 830624139. Listed at 18 retailers as of October 27, 2026, with prices from £153 to £1,494, a £1,341 spread on the same certified stone. Rare Carat lists it at £1,494. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624139
Dimensions10.63 × 5.22 × 3.23 mm
L/W Ratio2.04
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
10.63 mm5.22 mm1.02 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624139
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

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 27
Current: £1,494 GBP|Low: £153 GBP|High: £1,521 GBP|Avg: £544 GBP|-1.7%
Rare Carat
Retailer 2
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Retailer 19
October 29, 2026
Retailer 5£153 GBP
Retailer 18£176 GBP
Retailer 17£177 GBP
Retailer 3£189 GBP
Retailer 6£189 GBP
Retailer 12£326 GBP
Retailer 9£328 GBP
Retailer 2£347 GBP
Retailer 13£366 GBP
Retailer 11£402 GBP
Retailer 8£430 GBP
Retailer 10£593 GBP
Retailer 7£609 GBP
Retailer 16£611 GBP
Retailer 4£649 GBP
Retailer 19£763 GBP
Retailer 14£888 GBP
Retailer 15£1,359 GBP
Rare Carat£1,494 GBP

40 data points across 19 retailers

18 retailers£153 GBP to £1,494 GBP

A
Cheapest Retailer
-
£153 GBP
$204 USD
A
Retailer 2
-
£176 GBP
$234 USD
View
Final sale: no returns
A
Retailer 3
-
£177 GBP
$236 USD
View
A
Retailer 4
-
£189 GBP
$252 USD
View
A
Retailer 5
-
£189 GBP
$252 USD
View
A
Retailer 6
-
£326 GBP
ZAR 7,003 ZAR
View
A
Retailer 7
-
£328 GBP
$437 USD
View
A
Retailer 8
-
£347 GBP
View
A
Retailer 9
-
£366 GBP
€464 EUR
View
A
Retailer 10
-
£430 GBP
$572 USD
View
B+
Retailer 11
-
£593 GBP
SGD 1,067 SGD
View
B+
Retailer 12
-
£609 GBP
$811 USD
View
B+
Retailer 13
-
£611 GBP
$814 USD
View
B+
Retailer 14
-
£649 GBP
$865 USD
View
B+
Retailer 15
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£763 GBP
$1,016 USD
View
B+
Retailer 16
-
£888 GBP
View
B
Retailer 17
-
£1,359 GBP
$1,810 USD
View
Most Expensive
B
Rare Carat
PD-241117 · Oct 28
£1,494 GBP
$1,990 USD
View
17 more retailers have this diamond
Prices start from £153 GBPSave up to £1,341 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
1.02ct Marquise
£153 GBP