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Marquise|Lab Grown|IGI

1.50ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG644456433

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG644456433

Diamond specifications and retailer prices

From £293 GBP
$393 USD
As of November 1, 2026
Save £1,063 GBP (78%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,915 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG644456433 or 644456433. Listed at 29 retailers as of October 31, 2026, with a 363% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644456433
Dimensions11.56 × 5.97 × 3.84 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
11.56 mm5.97 mm1.50 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644456433
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.3%

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: Nov 1
Current: £1,915 GBP|Low: £244 GBP|High: £1,915 GBP|Avg: £731 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 11£244 GBP
Retailer 2£293 GBP
Retailer 9£303 GBP
Retailer 7£353 GBP
Retailer 21£384 GBP
Retailer 5£428 GBP
Retailer 10£478 GBP
Retailer 4£495 GBP
Retailer 18£495 GBP
Retailer 20£522 GBP
Retailer 16£538 GBP
Retailer 12£689 GBP
Retailer 19£707 GBP
Retailer 3£890 GBP
Retailer 8£1,009 GBP
Retailer 14£1,019 GBP
Retailer 17£1,028 GBP
Retailer 22£1,062 GBP
Retailer 6£1,195 GBP
Retailer 13£1,216 GBP
Retailer 15£1,356 GBP
Brilliant Earth£1,915 GBP

37 data points across 22 retailers

29 retailers£293 GBP to £1,356 GBP

Retailer 1
-
£244 GBP
$328 USD
Price last confirmed 25 days ago
Retailer 2
-
£285 GBP
$382 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
£293 GBP
$393 USD
View
Final sale: no returns
Retailer 4
-
£303 GBP
$407 USD
View
Price last confirmed 25 days ago
Retailer 5
-
£303 GBP
$407 USD
View
Price last confirmed 23 days ago
Retailer 6
-
£319 GBP
$428 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£348 GBP
$467 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£353 GBP
HK$3,700 HKD
View
A
Retailer 9
-
£384 GBP
$515 USD
View
A
Retailer 10
-
£428 GBP
$575 USD
View
A
Retailer 11
-
£478 GBP
$642 USD
View
A
Retailer 12
-
£495 GBP
$664 USD
View
A
Retailer 13
-
£495 GBP
€633 EUR
View
A
Retailer 14
-
£522 GBP
ZAR 11,306 ZAR
View
A
Retailer 15
-
£538 GBP
View
Retailer 16
-
£689 GBP
$924 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£707 GBP
A$1,460 AUD
View
B
Retailer 18
-
£890 GBP
$1,194 USD
View
B
Retailer 19
-
£975 GBP
$1,309 USD
View
Retailer 20
-
£975 GBP
$1,309 USD
View
Price last confirmed 23 days ago
B
Retailer 21
-
£1,009 GBP
$1,353 USD
View
B
Retailer 22
-
£1,019 GBP
SGD 1,847 SGD
View
B+
Retailer 23
-
£1,028 GBP
A$2,123 AUD
View
B
Retailer 24
-
£1,062 GBP
$1,425 USD
View
Retailer 25
-
£1,134 GBP
$1,522 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
£1,195 GBP
$1,603 USD
View
B
Retailer 27
-
£1,216 GBP
View
B
Retailer 28
-
£1,356 GBP
$1,819 USD
View
Most Expensive
Brilliant Earth
11464861A · Oct 16
£1,915 GBP
$2,570 USD
View
Price last confirmed 17 days ago
28 more retailers have this diamond
Prices start from £293 GBPSave up to £1,063 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
1.50ct Marquise
£293 GBP