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Marquise|Lab Grown|IGI

1.01ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG804657215

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804657215

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 30, 2026
Save £1,314 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,463 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG804657215 or 804657215. Listed at 10 retailers as of October 28, 2026, with prices from £149 to £1,463, a £1,314 spread on the same certified stone. Rare Carat lists it at £1,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804657215
Dimensions10.52 × 5.03 × 3.26 mm
L/W Ratio2.09
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
10.52 mm5.03 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804657215
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.8%

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 30
Current: £1,463 GBP|Low: £149 GBP|High: £1,769 GBP|Avg: £837 GBP|+3.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 8£149 GBP
Retailer 13£172 GBP
Retailer 9£322 GBP
Retailer 3£362 GBP
Retailer 15£612 GBP
Retailer 4£651 GBP
Retailer 12£655 GBP
Retailer 5£659 GBP
Retailer 11£659 GBP
Retailer 6£701 GBP
Retailer 14£840 GBP
Retailer 2£1,134 GBP
Retailer 7£1,287 GBP
Retailer 10£1,425 GBP
Rare Carat£1,463 GBP

22 data points across 15 retailers

10 retailers£149 GBP to £1,463 GBP

A
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
A
Retailer 3
-
£322 GBP
$431 USD
View
B+
Retailer 4
-
£612 GBP
$820 USD
View
B+
Retailer 5
-
£655 GBP
$877 USD
View
B+
Retailer 6
-
£659 GBP
$883 USD
View
B+
Retailer 7
-
£840 GBP
View
B
Retailer 8
-
£1,134 GBP
$1,520 USD
View
B
Retailer 9
-
£1,425 GBP
$1,910 USD
View
Most Expensive
B
Rare Carat
PD-211825 · Oct 28
£1,463 GBP
$1,960 USD
View
9 more retailers have this diamond
Prices start from £149 GBPSave up to £1,314 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
£149 GBP