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Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG754595659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595659

Diamond specifications and retailer prices

From £484 GBP
As of November 4, 2026
Save £2,322 GBP (83%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £2,807 GBP at With Clarity · As of November 5, 2026
View at With Clarity

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 very-good cut grade and certified by IGI LG754595659 or 754595659. Listed at 32 retailers as of November 4, 2026, with prices from £484 to £2,807, a £2,322 spread on the same certified stone. With Clarity lists it at £2,807. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595659
Dimensions11.72 × 6.02 × 3.84 mm
L/W Ratio1.95
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
11.72 mm6.02 mm1.54 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595659
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.8%

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: £884 GBP|Low: £484 GBP|High: £3,133 GBP|Avg: £1,535 GBP|-12.7%
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Retailer 23
With Clarity
November 5, 2026
Retailer 23£484 GBP
Retailer 22£542 GBP
Retailer 12£626 GBP
Retailer 17£692 GBP
Retailer 14£801 GBP
Retailer 2£846 GBP
Retailer 15£882 GBP
Retailer 1£884 GBP
Retailer 13£999 GBP
Retailer 8£1,146 GBP
Retailer 7£1,425 GBP
Retailer 4£1,436 GBP
Retailer 11£1,553 GBP
Retailer 3£1,580 GBP
Retailer 21£1,750 GBP
Retailer 20£1,917 GBP
Retailer 19£1,939 GBP
Retailer 5£1,957 GBP
Retailer 16£1,967 GBP
Retailer 6£1,990 GBP
Retailer 18£2,059 GBP
Retailer 9£2,450 GBP
Retailer 10£2,622 GBP
With Clarity£2,807 GBP

29 data points across 24 retailers

32 retailers£484 GBP to £2,807 GBP

A
Cheapest Retailer
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£484 GBP
A
Retailer 2
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£542 GBP
View
Final sale: no returns
Retailer 3
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£545 GBP
View
Price last confirmed 28 days ago
Retailer 4
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£545 GBP
View
Price last confirmed 36 days ago
Retailer 5
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£593 GBP
View
Price last confirmed 37 days ago
Retailer 6
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£624 GBP
View
Price last confirmed 37 days ago
A
Retailer 7
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£626 GBP
View
Retailer 8
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£633 GBP
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Price last confirmed 33 days ago
Retailer 9
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£633 GBP
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Price last confirmed 26 days ago
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Retailer 10
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£692 GBP
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Retailer 11
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£801 GBP
View
A
Retailer 12
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£846 GBP
View
A
Retailer 13
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£882 GBP
View
A
Retailer 14
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£884 GBP
View
A
Retailer 15
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£999 GBP
View
A
Retailer 16
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£1,146 GBP
View
B+
Retailer 17
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£1,425 GBP
View
B+
Retailer 18
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£1,436 GBP
View
B
Retailer 19
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£1,553 GBP
View
B+
Retailer 20
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£1,580 GBP
View
B+
Retailer 21
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£1,750 GBP
View
Retailer 22
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£1,779 GBP
View
Price last confirmed 26 days ago
Retailer 23
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£1,779 GBP
View
Price last confirmed 36 days ago
B
Retailer 24
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£1,917 GBP
View
B
Retailer 25
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£1,939 GBP
View
B
Retailer 26
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£1,957 GBP
View
Retailer 27
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£1,967 GBP
View
Price last confirmed 8 days ago
B
Retailer 28
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£1,990 GBP
View
B
Retailer 29
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£2,059 GBP
View
B
Retailer 30
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£2,450 GBP
View
B
Retailer 31
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£2,622 GBP
View
Most Expensive
B
With Clarity
754595659 · Nov 5
£2,807 GBP
$3,789 USD
View
31 more retailers have this diamond
Prices start from £484 GBPSave up to £2,322 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
£484 GBP