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Marquise|Lab Grown|IGI

1.64ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG732520361

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG732520361

Diamond specifications and retailer prices

From £411 GBP
$547 USD
As of October 27, 2026
Save £3,239 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,650 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown marquise diamond

This 1.64ct 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 LG732520361 or 732520361. Listed at 17 retailers as of October 27, 2026, with prices from £411 to £3,650, a £3,239 spread on the same certified stone. Do Amore Diamonds lists it at £3,650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520361
Dimensions11.72 × 6.16 × 3.92 mm
L/W Ratio1.90
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 mm6.16 mm1.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520361
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.6%

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 27
Current: £3,650 GBP|Low: £360 GBP|High: £3,860 GBP|Avg: £1,376 GBP|-5.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 12£411 GBP
Retailer 3£460 GBP
Retailer 9£505 GBP
Retailer 11£608 GBP
Retailer 14£608 GBP
Retailer 8£750 GBP
Retailer 13£785 GBP
Retailer 2£876 GBP
Retailer 15£1,314 GBP
Retailer 4£1,335 GBP
Retailer 17£1,439 GBP
Retailer 16£1,478 GBP
Retailer 5£1,915 GBP
Retailer 6£1,970 GBP
Retailer 7£2,418 GBP
Retailer 10£2,453 GBP
Do Amore Diamonds£3,650 GBP

32 data points across 17 retailers

17 retailers£411 GBP to £3,650 GBP

A
Cheapest Retailer
-
£411 GBP
$547 USD
A
Retailer 2
-
£460 GBP
$612 USD
View
A
Retailer 3
-
£505 GBP
$672 USD
View
Final sale: no returns
A
Retailer 4
-
£608 GBP
$810 USD
View
A
Retailer 5
-
£608 GBP
$810 USD
View
A
Retailer 6
-
£750 GBP
$999 USD
View
A
Retailer 7
-
£785 GBP
$1,046 USD
View
A
Retailer 8
-
£876 GBP
€1,111 EUR
View
B+
Retailer 9
-
£1,314 GBP
$1,750 USD
View
A
Retailer 10
-
£1,335 GBP
A$2,736 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,439 GBP
$1,916 USD
View
B+
Retailer 12
-
£1,478 GBP
$1,968 USD
View
B+
Retailer 13
-
£1,915 GBP
$2,550 USD
View
B+
Retailer 14
-
£1,970 GBP
A$4,037 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
£2,418 GBP
$3,220 USD
View
B+
Retailer 16
-
£2,453 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3A37B9574 · Oct 29
£3,650 GBP
$4,860 USD
View
16 more retailers have this diamond
Prices start from £411 GBPSave up to £3,239 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
1.64ct Marquise
£411 GBP