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Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508324

Diamond specifications and retailer prices

From £439 GBP
As of November 4, 2026
Save £3,457 GBP (89%) vs most expensive(unlock to see where)
36 retailers carry this diamond
Most expensive: £3,896 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508324 or 754508324. Listed at 36 retailers as of November 4, 2026, with prices from £439 to £3,896, a £3,457 spread on the same certified stone. Do Amore Diamonds lists it at £3,896. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508324
Dimensions12.09 × 5.96 × 3.74 mm
L/W Ratio2.03
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
12.09 mm5.96 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508324
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

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 4
Current: £3,896 GBP|Low: £439 GBP|High: £4,326 GBP|Avg: £1,466 GBP|-9.9%
Do Amore Diamonds
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November 5, 2026
Retailer 26£439 GBP
Retailer 17£615 GBP
Retailer 22£633 GBP
Retailer 20£641 GBP
Retailer 18£662 GBP
Retailer 21£739 GBP
Retailer 16£746 GBP
Retailer 3£846 GBP
Retailer 13£884 GBP
Retailer 14£999 GBP
Retailer 15£1,029 GBP
Retailer 9£1,146 GBP
Retailer 5£1,350 GBP
Retailer 8£1,425 GBP
Retailer 11£1,553 GBP
Retailer 4£1,580 GBP
Retailer 25£1,737 GBP
Retailer 24£1,750 GBP
Retailer 6£1,799 GBP
Retailer 19£1,967 GBP
Retailer 23£2,024 GBP
Retailer 12£2,037 GBP
Retailer 7£2,141 GBP
Retailer 2£2,361 GBP
Retailer 10£2,627 GBP
Do Amore Diamonds£3,896 GBP

26 data points across 26 retailers

36 retailers£439 GBP to £3,896 GBP

A
Cheapest Retailer
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£439 GBP
Retailer 2
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£494 GBP
View
Price last confirmed 28 days ago
Retailer 3
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£494 GBP
View
Price last confirmed 36 days ago
Retailer 4
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£537 GBP
View
Price last confirmed 37 days ago
Retailer 5
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£565 GBP
View
Price last confirmed 37 days ago
Retailer 6
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£573 GBP
View
Price last confirmed 33 days ago
Retailer 7
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£573 GBP
View
Price last confirmed 26 days ago
A
Retailer 8
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£615 GBP
View
Final sale: no returns
A
Retailer 9
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£633 GBP
View
A
Retailer 10
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£641 GBP
View
A
Retailer 11
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£662 GBP
View
A
Retailer 12
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£739 GBP
View
A
Retailer 13
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£746 GBP
View
A
Retailer 14
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£846 GBP
View
A
Retailer 15
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£884 GBP
View
A
Retailer 16
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£999 GBP
View
Retailer 17
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£1,013 GBP
View
Price last confirmed 21 days ago
A
Retailer 18
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£1,029 GBP
View
A
Retailer 19
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£1,146 GBP
View
B+
Retailer 20
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£1,350 GBP
View
B+
Retailer 21
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£1,425 GBP
View
B+
Retailer 22
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£1,553 GBP
View
B+
Retailer 23
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£1,580 GBP
View
B+
Retailer 24
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£1,737 GBP
View
B+
Retailer 25
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£1,750 GBP
View
Retailer 26
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£1,779 GBP
View
Price last confirmed 26 days ago
Retailer 27
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£1,779 GBP
View
Price last confirmed 36 days ago
B+
Retailer 28
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£1,799 GBP
View
Retailer 29
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£1,967 GBP
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Price last confirmed 8 days ago
B+
Retailer 30
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£2,024 GBP
View
B+
Retailer 31
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£2,037 GBP
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B
Retailer 32
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£2,038 GBP
View
B+
Retailer 33
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£2,141 GBP
View
B+
Retailer 34
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£2,361 GBP
View
B
Retailer 35
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£2,627 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CB2744C34 · Nov 5
£3,896 GBP
$5,260 USD
View
35 more retailers have this diamond
Prices start from £439 GBPSave up to £3,457 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
1.54ct Marquise
£439 GBP