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Marquise|Lab Grown|IGI

1.53ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG790654402

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790654402

Diamond specifications and retailer prices

From £711 GBP
$952 USD
As of October 30, 2026
Save £2,208 GBP (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,918 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790654402 or 790654402. Listed at 25 retailers as of October 30, 2026, with prices from £711 to £2,918, a £2,208 spread on the same certified stone. Brilliant Earth lists it at £2,918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790654402
Dimensions12.38 × 6.06 × 3.68 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm6.06 mm1.53 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790654402
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,918 GBP|Low: £711 GBP|High: £3,203 GBP|Avg: £1,661 GBP|-0.3%
Brilliant Earth
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October 31, 2026
Retailer 7£711 GBP
Retailer 22£772 GBP
Retailer 13£795 GBP
Retailer 4£824 GBP
Retailer 6£824 GBP
Retailer 5£941 GBP
Retailer 3£955 GBP
Retailer 20£955 GBP
Retailer 9£1,035 GBP
Retailer 10£1,179 GBP
Retailer 17£1,270 GBP
Retailer 21£1,373 GBP
Retailer 16£1,386 GBP
Retailer 19£1,514 GBP
Retailer 2£1,575 GBP
Retailer 15£2,275 GBP
Retailer 8£2,317 GBP
Retailer 23£2,460 GBP
Retailer 11£2,681 GBP
Retailer 12£2,765 GBP
Retailer 18£2,809 GBP
Retailer 14£2,867 GBP
Brilliant Earth£2,918 GBP

32 data points across 23 retailers

25 retailers£711 GBP to £2,918 GBP

A
Cheapest Retailer
-
£711 GBP
$952 USD
A
Retailer 2
-
£772 GBP
$1,035 USD
View
A
Retailer 3
-
£795 GBP
$1,065 USD
View
Final sale: no returns
A
Retailer 4
-
£824 GBP
$1,104 USD
View
Retailer 5
-
£824 GBP
$1,104 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£941 GBP
$1,261 USD
View
A
Retailer 7
-
£955 GBP
HK$10,000 HKD
View
A
Retailer 8
-
£955 GBP
$1,280 USD
View
A
Retailer 9
-
£1,035 GBP
$1,387 USD
View
A
Retailer 10
-
£1,179 GBP
$1,580 USD
View
A
Retailer 11
-
£1,270 GBP
View
B+
Retailer 12
-
£1,373 GBP
€1,752 EUR
View
B+
Retailer 13
-
£1,386 GBP
A$2,858 AUD
View
B+
Retailer 14
-
£1,514 GBP
ZAR 32,781 ZAR
View
B+
Retailer 15
-
£1,575 GBP
$2,110 USD
View
B+
Retailer 16
-
£2,275 GBP
View
B
Retailer 17
-
£2,317 GBP
$3,104 USD
View
B+
Retailer 18
-
£2,449 GBP
$3,281 USD
View
B+
Retailer 19
-
£2,460 GBP
$3,296 USD
View
B
Retailer 20
-
£2,681 GBP
$3,592 USD
View
B
Retailer 21
-
£2,765 GBP
SGD 5,006 SGD
View
B
Retailer 22
-
£2,809 GBP
View
B
Retailer 23
-
£2,867 GBP
$3,842 USD
View
Retailer 24
-
£2,918 GBP
$3,910 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20474383A · Oct 30
£2,918 GBP
$3,910 USD
View
24 more retailers have this diamond
Prices start from £711 GBPSave up to £2,208 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
£711 GBP