Marquise|Lab Grown|IGI

1.53ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG763642378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG763642378

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of October 30, 2026
Save £2,405 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,709 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG763642378 or 763642378. Listed at 17 retailers as of October 30, 2026, with prices from £305 to £2,709, a £2,405 spread on the same certified stone. Do Amore Diamonds lists it at £2,709. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763642378
Dimensions11.50 × 6.12 × 3.76 mm
L/W Ratio1.88
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
11.50 mm6.12 mm1.53 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763642378
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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: £2,709 GBP|Low: £305 GBP|High: £3,456 GBP|Avg: £1,198 GBP|-21.6%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 13£305 GBP
Retailer 4£341 GBP
Retailer 12£355 GBP
Retailer 5£481 GBP
Retailer 8£521 GBP
Retailer 7£540 GBP
Retailer 10£562 GBP
Retailer 15£657 GBP
Retailer 14£971 GBP
Retailer 2£1,012 GBP
Retailer 9£1,185 GBP
Retailer 17£1,340 GBP
Retailer 3£1,452 GBP
Retailer 16£1,540 GBP
Retailer 6£1,694 GBP
Retailer 11£1,821 GBP
Do Amore Diamonds£2,709 GBP

37 data points across 17 retailers

17 retailers£305 GBP to £2,709 GBP

A
Cheapest Retailer
-
£305 GBP
$408 USD
A
Retailer 2
-
£341 GBP
$457 USD
View
A
Retailer 3
-
£355 GBP
$476 USD
View
Final sale: no returns
A
Retailer 4
-
£481 GBP
$645 USD
View
A
Retailer 5
-
£521 GBP
$698 USD
View
A
Retailer 6
-
£540 GBP
$723 USD
View
A
Retailer 7
-
£562 GBP
$753 USD
View
A
Retailer 8
-
£657 GBP
€838 EUR
View
A
Retailer 9
-
£971 GBP
A$2,002 AUD
View
A
Retailer 10
-
£1,012 GBP
$1,356 USD
View
A
Retailer 11
-
£1,185 GBP
$1,587 USD
View
B+
Retailer 12
-
£1,340 GBP
$1,796 USD
View
B+
Retailer 13
-
£1,452 GBP
$1,946 USD
View
B+
Retailer 14
-
£1,540 GBP
View
B+
Retailer 15
-
£1,694 GBP
$2,270 USD
View
B+
Retailer 16
-
£1,821 GBP
$2,440 USD
View
Most Expensive
B
Do Amore Diamonds
27-98E216DDC · Oct 31
£2,709 GBP
$3,630 USD
View
16 more retailers have this diamond
Prices start from £305 GBPSave up to £2,405 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
£305 GBP