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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784604296

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784604296

Diamond specifications and retailer prices

From £599 GBP
$803 USD
As of October 30, 2026
Save £4,722 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,321 GBP at Do Amore Diamonds · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784604296 or 784604296. Listed at 23 retailers as of October 30, 2026, with prices from £599 to £5,321, a £4,722 spread on the same certified stone. Do Amore Diamonds lists it at £5,321. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604296
Dimensions11.88 × 6.13 × 3.83 mm
L/W Ratio1.94
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
11.88 mm6.13 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604296
Side View
Table 56.0%Crown 34.6°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 62.5%

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: Oct 30
Current: £5,321 GBP|Low: £599 GBP|High: £6,717 GBP|Avg: £1,899 GBP|-20.8%
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 12£599 GBP
Retailer 19£652 GBP
Retailer 9£671 GBP
Retailer 23£690 GBP
Retailer 6£696 GBP
Retailer 8£696 GBP
Retailer 22£828 GBP
Retailer 3£979 GBP
Retailer 13£1,168 GBP
Retailer 2£1,181 GBP
Retailer 21£1,254 GBP
Retailer 7£1,308 GBP
Retailer 17£1,411 GBP
Retailer 20£1,654 GBP
Retailer 10£2,116 GBP
Retailer 15£2,158 GBP
Retailer 11£2,194 GBP
Retailer 5£2,307 GBP
Retailer 4£2,728 GBP
Retailer 14£2,738 GBP
Retailer 18£2,881 GBP
Retailer 16£3,280 GBP
Do Amore Diamonds£5,321 GBP

34 data points across 23 retailers

23 retailers£599 GBP to £5,321 GBP

A
Cheapest Retailer
-
£599 GBP
$803 USD
A
Retailer 2
-
£652 GBP
$874 USD
View
A
Retailer 3
-
£671 GBP
$899 USD
View
Final sale: no returns
A
Retailer 4
-
£690 GBP
$925 USD
View
A
Retailer 5
-
£696 GBP
$932 USD
View
Retailer 6
-
£696 GBP
$932 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
£828 GBP
$1,110 USD
View
A
Retailer 8
-
£979 GBP
$1,312 USD
View
A
Retailer 9
-
£1,168 GBP
€1,490 EUR
View
A
Retailer 10
-
£1,181 GBP
View
B+
Retailer 11
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£1,254 GBP
$1,680 USD
View
A
Retailer 12
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£1,308 GBP
$1,753 USD
View
B+
Retailer 13
-
£1,411 GBP
ZAR 30,544 ZAR
View
B+
Retailer 14
-
£1,654 GBP
$2,216 USD
View
B+
Retailer 15
-
£2,116 GBP
View
B
Retailer 16
-
£2,158 GBP
$2,892 USD
View
B+
Retailer 17
-
£2,194 GBP
$2,940 USD
View
B+
Retailer 18
-
£2,307 GBP
$3,091 USD
View
B
Retailer 19
-
£2,728 GBP
$3,655 USD
View
B+
Retailer 20
-
£2,738 GBP
$3,668 USD
View
B+
Retailer 21
-
£2,881 GBP
View
B
Retailer 22
-
£3,280 GBP
$4,395 USD
View
Most Expensive
B
Do Amore Diamonds
27-ADE55F364 · Oct 31
£5,321 GBP
$7,130 USD
View
22 more retailers have this diamond
Prices start from £599 GBPSave up to £4,722 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
£599 GBP