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Marquise|Lab Grown|IGI

1.06ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG831604140

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604140

Diamond specifications and retailer prices

From £267 GBP
HK$2,800 HKD
As of October 31, 2026
Save £1,292 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,560 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.06ct lab-grown marquise diamond

This 1.06ct 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 LG831604140 or 831604140. Listed at 9 retailers as of October 31, 2026, with prices from £267 to £1,560, a £1,292 spread on the same certified stone. Brilliant Earth lists it at £1,560. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604140
Dimensions10.42 × 5.42 × 3.31 mm
L/W Ratio1.92
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
10.42 mm5.42 mm1.06 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604140
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,560 GBP|Low: £267 GBP|High: £1,560 GBP|Avg: £637 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6£267 GBP
Retailer 9£328 GBP
Retailer 3£358 GBP
Retailer 2£460 GBP
Retailer 5£471 GBP
Retailer 8£647 GBP
Retailer 7£813 GBP
Retailer 4£847 GBP
Brilliant Earth£1,560 GBP

3 data points across 9 retailers

9 retailers£267 GBP to £1,560 GBP

A
Cheapest Retailer
-
£267 GBP
HK$2,800 HKD
A
Retailer 2
-
£328 GBP
$440 USD
View
Retailer 3
-
£358 GBP
$480 USD
View
A
Retailer 4
-
£460 GBP
View
A
Retailer 5
-
£471 GBP
$631 USD
View
B+
Retailer 6
-
£647 GBP
SGD 1,172 SGD
View
B+
Retailer 7
-
£813 GBP
$1,089 USD
View
B
Retailer 8
-
£847 GBP
$1,135 USD
View
Most Expensive
B
Brilliant Earth
22384764A · Oct 31
£1,560 GBP
$2,090 USD
View
8 more retailers have this diamond
Prices start from £267 GBPSave up to £1,292 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
1.06ct Marquise
£267 GBP