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Marquise|Lab Grown|IGI

1.01ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG842623065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842623065

Diamond specifications and retailer prices

From £106 GBP
$142 USD
As of November 2, 2026
Save £509 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £615 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842623065 or 842623065. Listed at 15 retailers as of November 2, 2026, with prices from £106 to £615, a £509 spread on the same certified stone. MOH London lists it at £615. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842623065
Dimensions11.06 × 5.03 × 3.11 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm5.03 mm1.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842623065
Side View
Table 58.0%Crown 29.7°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 61.8%

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: Nov 2
Current: £615 GBP|Low: £106 GBP|High: £641 GBP|Avg: £303 GBP|-0.6%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 3, 2026
Retailer 5£106 GBP
Retailer 12£118 GBP
Retailer 13£123 GBP
Retailer 11£132 GBP
Retailer 16£132 GBP
Retailer 4£172 GBP
Retailer 15£223 GBP
Retailer 2£226 GBP
Retailer 3£244 GBP
Retailer 10£250 GBP
Retailer 7£370 GBP
Retailer 6£423 GBP
Retailer 9£447 GBP
Retailer 14£447 GBP
Retailer 8£464 GBP
MOH London£615 GBP

22 data points across 16 retailers

15 retailers£106 GBP to £615 GBP

A
Cheapest Retailer
-
£106 GBP
$142 USD
A
Retailer 2
-
£118 GBP
$159 USD
View
Final sale: no returns
A
Retailer 3
-
£123 GBP
$165 USD
View
Retailer 4
-
£132 GBP
$177 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£132 GBP
$177 USD
View
A
Retailer 6
-
£223 GBP
$299 USD
View
A
Retailer 7
-
£226 GBP
View
B+
Retailer 8
-
£244 GBP
$328 USD
View
A
Retailer 9
-
£250 GBP
View
B
Retailer 10
-
£370 GBP
$496 USD
View
B
Retailer 11
-
£423 GBP
$568 USD
View
B
Retailer 12
-
£447 GBP
$600 USD
View
B
Retailer 13
-
£447 GBP
$600 USD
View
B
Retailer 14
-
£464 GBP
$623 USD
View
Most Expensive
B
MOH London
LG842623065 · Nov 2
£615 GBP
View
14 more retailers have this diamond
Prices start from £106 GBPSave up to £509 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
1.01ct Marquise
£106 GBP