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Marquise|Lab Grown|IGI

1.53ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754507936

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507936

Diamond specifications and retailer prices

From £436 GBP
As of November 4, 2026
Save £4,043 GBP (90%) vs most expensive(unlock to see where)
37 retailers carry this diamond
Most expensive: £4,479 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.53ct lab-grown marquise diamond

This 1.53ct 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 LG754507936 or 754507936. Listed at 37 retailers as of November 4, 2026, with prices from £436 to £4,479, a £4,043 spread on the same certified stone. Diamond Quarter lists it at £4,479. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507936
Dimensions11.67 × 6.00 × 3.78 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
11.67 mm6.00 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507936
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £3,874 GBP|Low: £436 GBP|High: £4,296 GBP|Avg: £1,429 GBP|-9.8%
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November 5, 2026
Retailer 2£436 GBP
Retailer 16£611 GBP
Retailer 22£630 GBP
Retailer 20£637 GBP
Retailer 17£655 GBP
Retailer 21£739 GBP
Retailer 15£743 GBP
Retailer 3£843 GBP
Retailer 19£884 GBP
Retailer 13£993 GBP
Retailer 14£1,029 GBP
Retailer 9£1,139 GBP
Retailer 5£1,342 GBP
Retailer 8£1,416 GBP
Retailer 11£1,543 GBP
Retailer 4£1,570 GBP
Retailer 25£1,726 GBP
Retailer 6£1,790 GBP
Retailer 18£1,956 GBP
Retailer 24£2,012 GBP
Retailer 23£2,022 GBP
Retailer 7£2,132 GBP
Retailer 12£2,346 GBP
Retailer 10£2,610 GBP
Retailer 1£3,874 GBP

23 data points across 25 retailers

37 retailers£436 GBP to £4,479 GBP

A
Cheapest Retailer
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£436 GBP
Retailer 2
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£491 GBP
View
Price last confirmed 28 days ago
Retailer 3
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£491 GBP
View
Price last confirmed 36 days ago
Retailer 4
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£534 GBP
View
Price last confirmed 37 days ago
Retailer 5
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£561 GBP
View
Price last confirmed 37 days ago
Retailer 6
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£570 GBP
View
Price last confirmed 33 days ago
Retailer 7
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£570 GBP
View
Price last confirmed 26 days ago
A
Retailer 8
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£611 GBP
View
Final sale: no returns
A
Retailer 9
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£630 GBP
View
A
Retailer 10
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£637 GBP
View
A
Retailer 11
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£655 GBP
View
A
Retailer 12
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£739 GBP
View
A
Retailer 13
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£743 GBP
View
A
Retailer 14
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£843 GBP
View
A
Retailer 15
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£884 GBP
View
A
Retailer 16
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£993 GBP
View
Retailer 17
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£1,007 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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£1,139 GBP
View
B+
Retailer 20
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£1,342 GBP
View
B+
Retailer 21
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£1,416 GBP
View
B+
Retailer 22
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£1,543 GBP
View
B+
Retailer 23
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£1,570 GBP
View
B+
Retailer 24
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£1,726 GBP
View
Retailer 25
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£1,767 GBP
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Price last confirmed 26 days ago
Retailer 26
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£1,767 GBP
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Price last confirmed 36 days ago
B+
Retailer 27
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£1,790 GBP
View
Retailer 28
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£1,956 GBP
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Price last confirmed 8 days ago
B+
Retailer 29
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£2,012 GBP
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B
Retailer 30
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£2,022 GBP
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B
Retailer 31
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£2,025 GBP
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B+
Retailer 32
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£2,132 GBP
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B+
Retailer 33
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£2,346 GBP
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B
Retailer 34
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£2,519 GBP
View
B
Retailer 35
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£2,610 GBP
View
B
Retailer 36
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£3,874 GBP
View
Most Expensive
B
Diamond Quarter
1.53IFDLG5138AEN · Nov 5
£4,479 GBP
View
36 more retailers have this diamond
Prices start from £436 GBPSave up to £4,043 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
1.53ct Marquise
£436 GBP