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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG840610892

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840610892

Diamond specifications and retailer prices

From £151 GBP
$202 USD
As of October 27, 2026
Save £623 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £773 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840610892 or 840610892. Listed at 10 retailers as of October 26, 2026, with prices from £151 to £773, a £623 spread on the same certified stone. MOH London lists it at £773. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840610892
Dimensions10.53 × 5.38 × 3.17 mm
L/W Ratio1.96
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
10.53 mm5.38 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840610892
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.9%

Caratlytics Score

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A+
Exceptional
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: £773 GBP|Low: £151 GBP|High: £803 GBP|Avg: £388 GBP|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8£151 GBP
Retailer 7£175 GBP
Retailer 3£194 GBP
Retailer 6£325 GBP
Retailer 4£364 GBP
Retailer 10£376 GBP
Retailer 9£457 GBP
Retailer 2£493 GBP
Retailer 5£601 GBP
MOH London£773 GBP

32 data points across 10 retailers

10 retailers£151 GBP to £773 GBP

A+
Cheapest Retailer
-
£151 GBP
$202 USD
A
Retailer 2
-
£175 GBP
$234 USD
View
A
Retailer 3
-
£194 GBP
View
A
Retailer 4
-
£325 GBP
$435 USD
View
A
Retailer 5
-
£364 GBP
$488 USD
View
Retailer 6
-
£376 GBP
€480 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
£457 GBP
A$942 AUD
View
B+
Retailer 8
-
£493 GBP
$661 USD
View
B+
Retailer 9
-
£601 GBP
$805 USD
View
Most Expensive
B+
MOH London
LG840610892 · Oct 26
£773 GBP
View
9 more retailers have this diamond
Prices start from £151 GBPSave up to £623 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+
1.03ct Marquise
£151 GBP