Marquise|Lab Grown|IGI

1.04ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG627417528

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG627417528

Diamond specifications and retailer prices

From £173 GBP
As of November 5, 2026
Save £770 GBP (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £944 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627417528 or 627417528. Listed at 26 retailers as of November 4, 2026, with prices from £173 to £944, a £770 spread on the same certified stone. Brilliant Earth lists it at £944. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627417528
Dimensions10.43 × 5.28 × 3.33 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
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
10.43 mm5.28 mm1.04 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627417528
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £944 GBP|Low: £153 GBP|High: £944 GBP|Avg: £480 GBP
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 7£153 GBP
Retailer 16£173 GBP
Retailer 4£190 GBP
Retailer 3£228 GBP
Retailer 19£269 GBP
Retailer 14£323 GBP
Retailer 13£328 GBP
Retailer 2£346 GBP
Retailer 18£366 GBP
Retailer 8£408 GBP
Retailer 5£452 GBP
Retailer 9£539 GBP
Retailer 17£613 GBP
Retailer 6£650 GBP
Retailer 11£684 GBP
Retailer 10£712 GBP
Retailer 12£759 GBP
Retailer 15£780 GBP
Brilliant Earth£944 GBP

44 data points across 19 retailers

26 retailers£173 GBP to £944 GBP

Retailer 1
-
£153 GBP
Price last confirmed 29 days ago
A
Retailer 2
-
£173 GBP
View
Final sale: no returns
Retailer 3
-
£181 GBP
View
Price last confirmed 37 days ago
Retailer 4
-
£190 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£190 GBP
View
Price last confirmed 27 days ago
Retailer 6
-
£210 GBP
View
Price last confirmed 38 days ago
Retailer 7
-
£221 GBP
View
Price last confirmed 38 days ago
A
Retailer 8
-
£228 GBP
View
A
Retailer 9
-
£269 GBP
View
Retailer 10
-
£323 GBP
View
Price last confirmed 8 days ago
A
Retailer 11
-
£328 GBP
View
A
Retailer 12
-
£346 GBP
View
A
Retailer 13
-
£366 GBP
View
B+
Retailer 14
-
£408 GBP
View
B+
Retailer 15
-
£452 GBP
View
B+
Retailer 16
-
£539 GBP
View
B+
Retailer 17
-
£611 GBP
View
Retailer 18
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£611 GBP
View
Price last confirmed 27 days ago
B+
Retailer 19
-
£613 GBP
View
B+
Retailer 20
-
£650 GBP
View
B
Retailer 21
-
£684 GBP
View
Retailer 22
-
£712 GBP
View
Price last confirmed 12 days ago
Retailer 23
-
£721 GBP
View
Price last confirmed 37 days ago
B+
Retailer 24
-
£759 GBP
View
B
Retailer 25
-
£780 GBP
View
Most Expensive
B
Brilliant Earth
9949762A · Nov 4
£944 GBP
$1,270 USD
View
25 more retailers have this diamond
Prices start from £173 GBPSave up to £770 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
1.04ct Marquise
£173 GBP